4, and 0. Lengths for. $3,870. nz 55 Allens Rd East Tamaki Auckland New Zealand breed is more like the original Roman/Persian sheep breed and have two copies of that old hair strain that doesn’t require any shearing or dagging. 9-0. Standard welded wire mesh, A193, was placed on the steel deck. Stud work comes with inherent risks, and Red Cedar Steel is dedicated to minimizing those risks. 1; ASTM standard etc. 1 . Duplicate an Existing Shear Stud When setting up to create new shear studs, it is easier and faster to start from an existing configuration that is closest to your requirements and modify only some of the parameters to obtain your. Mild Steel Shear Connector Stud, Size: 10mm To 25mm. Shipping Weights. Double + Gap. This means that in the Shear stud dialog, for each specific shear stud type, you have. ), why this about 5% difference? Please see the following: The main reason for the difference is tolerance of the shear connector, normally the manufacturer produces as per the. Shear Connector Studs are designed to tie the concrete to the steel beams and to resist shear loadings between the concrete slab and steel beam in composite construction. 1; BS 5400; AS/NZ 1554The shear connector studs, when welded to base metal will be approximately 5mm shorter after weld and when welded through deck 10mm shorter after weld. For Series 1, one connection did not have shear reinforcement, while the other two connections had ribbed-deformed GFRP shear studs with headed ends at different radial spacing (120 and 80 mm). Minimum number of shear studs required to develop the controlling moment (anywhere along a span) are distributed uniformly between the point of maximum bending moment and the adjacent points of zero moment (on each side of the point. [] presented an experimental and numerical study into the behavior of headed shear studs, to address the lack of existing experimental data near the assumed CAFL (constant amplitude fatigue limit) and to better characterize the effects of fatigue uncertainty on predicted response. For CAN/CSA-S16-01, S16-09, and S16-014, when the rib height is between 38mm. Terms and Conditions. The procedure to determine the key characteristics of the wedge block is established. (FOR STRUCTURES IN NEW ZEALAND ONLY) A4. Figure 1 Typical shear stud connectors shear connector SD UF threaded stud with flange (pitch) PS — unthreaded stud US — Short-cycle drawn arc stud welding stud with internal thread IS —. 2 standards. concrete as shown in Figure 4. Headed stud shear connector is the most widely used mechanical shear connector (type (a) in Fig. 6. The experimental program consists of eight specimens with the same. The ComFlor® composite floor decks range continues to set new standards in construction technology across New Zealand and is one of the market leaders in composite steel flooring systems. We supply. The advertised length of our shear studs is length before the welding process. The welding of shear studs in steel-concrete composite construction is governed by standards that ensure the appropriate weld quality is achieved (SCNZ, 2020b). 2. Stainless Steel ChemSet™ Anchor Studs are high corrosion resistant AISI 316 (A4). connectors in the pockets was 125 mm in both vertical and . Part Number Explanation. Meets with AWS and all other applicable specifications. MATERIAL Low carbon steel, ASTM A29/A108, 1010-1020. Carbon Steel Shear Stud, For Hardware Fitting, Size: 3 Inch. Facebook; Twitter; Facebook; Whatsapp; Pinterest; Buy Journal. Grade Selects the steel grade from the list. Headed anchor studs, ¾ in. 6dstud < 12 in. Besides equipment, shear stud connectors can be produced based on the standard of EN ISO 13918; AWS D1. The design shear ca-pacity of particleboard shear walls shall be in accordance 2003 INTERNATIONAL BUILDING CODE® 467 WOOD TABLE 2306. For ribs parallel to the beam the design resistance is determined in accordance with clause 6. SSRL Project N° 0402 63768-21-0000 March, 2019 SSRL Report N° 2019/1 Final report submitted to. Varma Publication: Structural Journal Volume: 119 Issue: 6 Appears on pages(s): 129-140 Keywords: concrete breakout; finite element (FE); haunch; shear stud; tensile DOI: 10. Note: Use Ctrl + click to select multiple elements. It delivers faster starts, less torque, and eliminates the need for pre-drilling, which means more. Mild Steel Shear Connector / Shear Stud. 2m standard stock lengths; cut to length is also available on request. Composite design, joining concrete to steel. Technical Support on all Contract Connections products is available on 09 2744049. Its profile has been specially designed with trough stiffeners and side laps positioned to guarantee centrally placed shear studs. According to the shear friction theory (ACI 318-14 chapter 22. The concrete strength was C30, the steel plate was made of Q345 steel and had a thickness of 10 mm. Learn about the options to define shear studs either by starting from existing configurations or by creating complete new ones. Correctly installing shear studs into steel decking is imperative to the overall integrity of the structure. Galvanising of ChemSet™ Anchor Studs meets Australian Standards. 6. 254~0. 9 mm thick sheets with a yield strength of 350 MPa) possessed a much higher slip capacity than expected in traditional small scale push tests [1],[2],[3] Arc stud welding is generally used to weld larger diameter studs to thick base metals. Figure 9 shows the Type A and Type B HSS at the point T/S for the two stud sizes (22 and 25 mm). 25. In this paper, to explore the shear capacity of stud shear connectors in steel-high strength concrete composite structures, 100 test data sets were gathered from previous studies, covering the compressive strength of concrete in the range of 61. Characteristic Properties are determined in accordance with AS/NZS 4063. The results indicate that shear studs in beams with precast slabs exhibit a fatigue performance at least on par with those in beams with cast-in-place slabs. Design value in shear, kN Bolt and Threads Threads joint included in excluded from designation shear plane shear plane 4. 05% max. Coating Selects the coating from the list. Navy. Remember: The regular OC stud spacing is 16, 19. Refer to Characteristic Loadings Brochure for design values. D2L Deformed Bar Anchors. 9. through the deck to the structural tee. Refer to Figure 1. Shear Connector Weld Studs are unthreaded with an upset head. The studs are typically made of 75mm x 50mm or 100mm x 50mm sawn timber, and the spacing between them is typically between 450mm to 600mm. This paper presents results from an experimental and analytical study of the fatigue behavior of headed shear studs to address the lack of existing experimental data near the assumed CAFL and to better characterize the effects of fatigue uncertainty on predicted response. 25. 3m, 3. 9 (b) and (c)). I am wondering to find a source for designing double-head shear studs in Australia. variables for the prediction of the headed stud shear force at failure, namely the steel stud tensile strength and diameter, and the concrete (cylinder) compressive strength. Karen Walker. Based on the wedge block model, a modified compression-dispersion model. A total of 24 continuous 2-span composite beam samples with a span length of 1 m were examined (concrete slab at the top and steel I-section at the bottom). Typically each adult sheep is shorn once each year (depending upon dialect, a sheep may be said. This paper reports on the behavior of headed shear stud connectors for use in steel frames with partially restrained connections and reinforced concrete infill walls, attached compositely to the steel frame around the perimeter of each wall panel (S-RCW system), subjected to seismic loading. NOTE: Ferrules are component parts of studs. The capacity of a stud to transfer shear is limited either by the. 2d(4) for channel shear connectors. (13 mm) shear studs tested by King et al. nz and comflorsales. Reduces the amount of reinforcement needed. 2003 Australian/New Zealand Standard – Structural Stud Welding • BS 5400: 2005 Steel, Concrete, and Composite BridgesMeanwhile, based on the regression analysis, the calculation model of shear stiffness was established, while the effect of the height of studs on shear stiffness was ignored. A composite beam can be highly resistant, stiff and lightweight in design, benefitting from the combined strengths of concrete and steel. Shear studs are shear resisting dowels welded to the top flange of the steel sections and encased in concrete in order to transfer the longitudinal shear forces between the deck and the supporting beam. Shear Stud Welding. 23. Nelson ® stud welding’s rich history began in 1939 with the U. Weld studs, including concrete anchors and shear connectors, are manufactured by Tru-Weld Stud Welding in The United States. E-mail: stephen. These stud heads anchor securely in the slab, eliminating slippage and providing greater resistance to punching shear. South Univ. Reversed cyclic loading resulted in an almost 40% reduction in shear stud capacity compared to static capacities. We can produce the shear stud shear connector based on the GB/T10433; EN ISO 13918; AWS D1. concrete over 3 in. co. Finite element analysis using ABAQUS was carried out to simulate the force–deformation response of shear stud. 5 of the average maximum load for screws tested in tension and shear, respectively. Many features have beenAn additional three steel–concrete composite using shear studs were fabricated, which were numbered as B1, B2, and B3. Welded Shear Stud. We trademarked this new/old breed as the Shire® breed, from our strong Organic German Mutton & Hair Wiltshire base. A. Our drawings clearly indicate that the studs should be welded on the center. . The conventional construction requires a long. 2m standard stock lengths; cut to length is also available on request. The computation of the shear strength of a single anchor is addressed in SCM I3. Nelson. We take pride in serving General Contractors, Subcontractors, Steel Fabricators & Erectors and Industrial Fabricators. In my career as a joiner, the most common spacing I have worked with, is 400mm centres. Auckland Bridge- New Zealand Bon Air Bridge Bay Bridge-San Francisco-Oakland Blast Protection of Bridges Carquinez Bridges Seismic Retrofit Earthquake Damage Investigation-Iran. 4. The composite action of our steel flooring and concrete produces a floor which is very strong and light in weight. A Complete Guide to Coach Screws. The concrete slab used is made of a reactive. Using the ABAQUS software, this article presents a numerical investigation on the effects of various stud distributions on the behavior of composite beams. E. The procedure to determine the key characteristics of the wedge block is established. Table 8 gives the details of the type of shear stud, variation in the area of the shear stud, the mass of the shear studs per m 3 of CSRE wall, shear strength of the studs as well as the CSRE wall (of size 0. 11, D72 Building 72 Dominion Road, Auckland . Be safe and compliant. Shear studs refer to the installation of steel pins or grommets, that extend out of the top flange of a steel support beam. Click to save the current shear stud placement on the beam layout. 1 has a series of images of typical steel headed stud anchors on a steel beam. 31. NOT SOLD SEPARATELY. Dallam [9] firstly presented the static push-out test to determine the capability of high strength pretensioned shear bolts embedded in normal-weight concrete slab (see Fig. (2020). 15. The computation of the shear strength of a single connector is addressed in SCM I3. The shear studs are the primary horizontal shear resistance component in the composite element and are the only code-approved method. Select the element face to which the pattern will be perpendicular. Normally the shear studs are welded, with a spot welder, after the metal deck is installed over the supporting structural steel. Mild Steel Shear Stud, For Construction, Size: 16 (diameter) ₹ 35 / Piece. Shear connectors are required on the top flange of steel composite bridge girders to provide the necessary shear transfer be-tween the steel girder and composite slab that is required for composite action. Shear Stud W/ Ceramic Ferrule. Cited By This resource is cited by 26 documents (show Citations) Cites This resource cites 1 document (show Citations) Description. 43, AL Jazira Building, Behind Al Maktoum Hospital, Near Marmar Hotel, Yusuf Baker Road, Deira, Dubai – U. Compared with clustered studs, the distribution of. This innovative solution allows shorter time for the construction, while extending the service life of bridge decks [1,2]. The beams were W24x55 and the studs were 2" off center. In the erection, the concrete deck is at first prefabricated in the casting yard with a series. 00. The cover width is just 600mm, creating lightweight sheets that. 1 b, the studs are uniformly placed along the longitudinal direction of the deck, and the continuous post-cast strip is left to accommodate the studs instead of the hole. 88 H4L 68 101-053-012 times diameter in the direction of the shear force is generally 15. HST Stud anchor 10 / 2012 135 values according ETAG 001, Annex C. This moment caused tension in the headed shear stud closest to the actuator, impacting the overall shear strength of the studs. into slab. NOT SOLD SEPARATELY. Maximum resistances from the experimental tests are compared with the predictions of EC 4 and results from other. A sc is the area of the stud and Fu is the minimum specified tensile strength of a stud shear connector (normally specified as 65ksi in the US). Studco has a wide array of Shear Connectors. N cbg = nominal concrete breakout strength of group of anchors. Failure occurs in perimeter defined away from the concentrated load. 3 of the American Wood Council’s (AWC’s) National Design Specification ® (NDS ® ) for Wood Construction includes provisions for built-up. This offers the most stability when fixing plasterboard and is the correct size to ensure boards land on the studs for fixing. Wish List. Standards New Zealand also offers this standard to be purchased as Hard Copy or Online Library subscription. long, so that they will extend a minimum of 12 in. APPLICATION 10 SLS Bolts & Nuts shear connectors, enhancing composite action, while reducing the need for site checking of stud location. 1 has a series of images of typical shear studs on a steel beam. A Coach Screw is a heavy duty screw which has a square or hexagonal head and an externally threaded cylindrical shaft that tapers to a point at the tip. ₱ 155. Open An Account with Us. In steel deck composite construction shear studs typically consist of 19mm diameter steel bar with an enlarged head at the top. This research aimed to assess the reliability of stirrups in resisting punching shear through studying the effect of different parameters. Air Nibbler. On any project, safety and reliability are delivered by using the right design code together with the right compliant product. TRB Webinar: Steel Bridge Shear Stud—Research and Design Provisions. 5. Longitudinal shear connection is usually established by grouped headed studs, but possible alternative solution is to use bolted shear connectors. ChemSet™ Anchor Studs are made from quality Grade 5. 6m, other sizes available on request (2. 242 60 14. Drawn Arc Threaded and Unthreaded Studs are recommended for fastening applications where threads are needed for the full fastener length. 3), since this type of shear connector can provide robust and ductile shear connection and can be easily installed [10]. 05% max. Ask a Shearstud Ltd representative for other lengths available for specific applications. Final stud counts and placement are determined per ANSI/AISC 360-10 I3. co. 2005). Meadowlark. 9), the steel studs or bars crossing the shear plane resist only tension and the shear strength of the connection is attributedIn the works of Pavlović et al. 30 th. Air Metal Shear. The ComFlor® composite floor decks range continues to set new standards in construction technology across New Zealand and is one of the market leaders in composite steel flooring systems. 0m, 3. The system depends mainly on repairing the damaged concrete and the addition of vertical studs with different arrangements through holes drilled in the plates. nz On-site installation and delivery across New Zealand including steel decking flooring systems, stud welding and safety netting; Technical detailing and draughting expertise providing project specific designs; Computer-generated drawings including 3D modelling using AutoCAD LT / Vectorworks/BIM360; End-to-end contract management A. A. Our Alliances. Annotations. SRP™ Whisperwall™ and Standard SRP™ Studs are available in 2. Get reviews and contact details for each business including phone number, postcode, opening hours and photos. Slab closure angles. Whether Insulation Fasteners, Threaded CD studs or Headed Concrete Anchor Shear Connectors, we can assist with advice, product selection and supply of machines, sales. 3 of the American Wood Council’s (AWC’s) National Design Specification ® (NDS ® ) for Wood Construction includes provisions for built-up. The shear stud was Ø10 × 70 (GB/T 10433) . Please contact us directly for information and availability on the welder to best suit your needs. This is in addition to the other equation and/or table values specified by Code. Design of fastenings for use in concrete. 5. Shear strength is shear through the threads. The dimensions of the specimens were 480 × 450 × 450 mm. Capacity nZ' Net Section Tension Z NT ' Row Tear-out Z RT ' Group Tear-out Z GT ' s row = 4" s row = 5" 1 9562 7706 7875 6418 7260These stud anchors strengthen the parts of buildings where steel framing connects to concrete. 1. Little Dainty wool shear studs A pair of delightfully dainty wool shear studs. Nelson shear. The computation of the shear strength of a single connector is addressed in SCM I3. The shear capacity given in the tables must be reduced for large packings, large grip lengths, kidney shaped slots or long joints when applicable. A total of 102 push-out tests were carried out on standard test specimens with varying parameters including concrete types (normal weight, lightweight and ultra-lightweight), concrete strengths, and types of J-hook connectors. 38. The shear capacity of headed studs in composite steel–concrete beams has been determined experimentally in seven full-scale push-off tests. NATIONWIDE COVERAGE Auckland (Head Office) 560 Rosebank Road, Avondale Phone 09 828 2777 Fax 09 828 2424 Albany Unit 4, 4 William Pickering DriveL. 8 Shear connector also named shear stud, concrete anchors, are typically used in composite steel construction to tie the concrete to steel members and resist shear forces between the concrete slab and steel members. 50 (Inc GST)12. ii. 7-mm diameter and 352 MPa for the 15. Some sizes available in split threads for example UNF on one end and UNC on the other. 277 50 13. They provide strong and reliable fastening that’s imperative in many infrastructure applications. Shear Studs. Steel Headed Stud Shear Anchors, SCM I8. Table 2. Share this page. NZS 3603:1993 cites NZS 4203:1992 General structural design and design loadings for buildings - SPONSORED. 7 H4L 205 101-053-010 studs in a plane perpendicular to the shear force and six H 15. Category Anchors. Find wheel nuts and wheel stud and nut sets for sale. The stud welding can be done either in the field or in a factory. Building and bridge deck construction incorporates large numbers of studs , ranging from 10, 000 to more than 200,000 at a single location. Commercial buildings -Handbooks, manuals, etc. Meets with AWS and all other applicable specifications. The studs have threads on one end and a small disc-shaped head on the other, while the ferrules are short cylindrical sleeves that fit over the studs to. Some sizes available in split threads for example UNF on one end and UNC on the other. The horizontal in-plane shear interaction between the profiled cold-formed steel decking and concrete over is the prime factor that determines the strength of a composite concrete-steel deck slab. 8. Shear Stud C/W Ceramic Ferrule AS/NZS 1554. The shear stud and steel beam are formed as the same part to simulate the connection between two components in the FE model. Select the Location Type, start Location or Ratio, End Location or Ratio and the Longitudinal and Transverse spacing of the shear studs, along with Type of Shear stud from library. Solution: If the desired tag is not found within the main Annotations folder, check each of the subfolders to see if the tag is available. 3 Past research on the theoretical strength of shear connectors 2. The punching shear perimeter is considered as the. The steel stud model behaves like linear elastic material with Young’s modulus E= 210000 MPa up to the yield stress f y =350 MPa. 2 Comparison be tween the I2 and 3/4in. 3. Material: Mild Steel. They are widely used in steel building, bridges, etc. Konnect Fastening Systems NZ are proud to stock and procure New Zealand's largest range of Fasteners, Hardware, Power Tools & More. , four 2×6 studs to create one 5. Stud welding is also known as drawn arc stud welding, or arc welding for short. An economical option is to use mild steel. An overview of previous research in the area of shear stud behavior is included. The. Welded shear studs are currently the standard connector despite fatigue performance limitations. It enables lower in-place cost than traditional rebar attachments and seismic building code. Need drag strut/collector to get shear to solid portion. 2; BS 5400 and GB/T10433 etc. Call (973) 333-9775 today for a free quote. Shear Stud C/W Ceramic Ferrule AS/NZS 1554. Steel STC Bridge Floor In advanced Steel-STC bridge floor fabrication, Φ13 x 27 to Φ13 x 38 shear studs are widely used. h3 (min) 7. 6 %, respectively. Therefore, the minimum length after weld (LAW) should be 95mm for the TR60+ or R51 and 115mm for TR80+. 02 19 x 115 Shear Stud, 19 x 115 HSC, CS 6060 019 115 0. Date: 1/1/2021. Eurocode [28] requires a minimum amount of transverse reinforcement across the line of the studs but within 2. All;. 12) and varies between 0. Take storey heights =3m. 2d. Lower shear strength of the concrete-concrete interface will cause the interface cracking of the push-out specimen, which occurs before the stud. Hollo-Bolt – an expansion bolt for Structural Hollow Sections (SHS/HSS) with “blind connections,” when you only have access to one side of the connection. 25 × 1. Portable solution which can be moved around the jobsite easily without the need for pulling electric cables. Wall Is Perpendicular to the Joists. 0 kN Screw Type 17-14g x 35mm 3. Contact Supplier. In the connector, the studs are arranged group-by-group at multiple locations on the top surface of steel members. The first step towards the design recommendation is to understand the difference between the headed shear studs and the bolted shear connectors in a push-out test. Located in branches across New Zealand, Konnect Fastening Systems are here to support your business with expert advice and premium products. 099 150 14. Since 1939, Nelson ® has been creating powerful, cost-effective stud welding fasteners and equipment — providing engineered components, split-second fastening, training, and. NZS 3603:1993 cites NZS 3631:1988 New Zealand timber grading rules - SPONSORED. WEB178415. The system consists of double-headed studs welded to flat rails, positioned around the column head or base. 00 (Exc GST) $4,450. Stick Out by Stud Diameter. 5. June 22, 2023. 7m, 3. Cyclic shear force-slip behavior of studs under alternating and pulsating load condition. The head should have a diameter of not less than 1. Design aid - Table of design properties for individual metric hexagonal bolts including stress area, yield strength, ultimate strength, shear resistance, tensile resistance, interaction between shear and tension, bearing resistance, punching shear resistance. The table below is based on 7/16″ wood structural panel sheathing values in SDPWS Table 4. Welding – Studs and cermaic ferrules for arc stud welding (AS/NZS ISO. The recommended minimum concrete cover to the top of the stud is 15mm, this should be increased to 20mm if the. 07. Enquires: Auckland Tel: 09 820 9133 Fax: 09 820 9131 Wellington Tel: 04 234 8703 or 04 233 8131 Email: sales@nelsonstud. S. Steel & Tube offers a metal fastening solution for every application and our products are commonly used in the construction, manufacturing, general engineering and fabrication sectors. This is meant to simulate an equivalent point load acting on a stud embedded in concrete due to the shear stress distribution along the stud height. 3. Studs can be installed diagonally or in a straight line on either. 2 Stresses and moduli 6. 2d(4) for channel shear anchors. Download the PDF to find the best product for your needs, with detailed specifications and images. Stud placement for final design. NEW D6L A706 Stud Weldable Rebar. Do not skimp on3. PUNCHING SHEAR5. Add to Cart. Interested in hearing about future promotions? Sign-up to be kept updated! Products. NOTE: Ferrules are component parts of studs. This Standard sets out requirements for general structural design and design loadings for buildings, including the supports for services entering and within buildings, parts and. headed shear stud, stud shear capacity, stud pull-out failure, full. diameter stud is more than double the area of a ½-in. LNG Station Fabrication LNG station fabrication uses highest standard SINOARS shear connectors, Φ19 x 150 and Φ16 x 150. Structural frames. 1) where V = shear force from the loading, Q = first moment of the area of concrete deck about the neutral axis of the composite section and Ic = transformed moment of inertia. Practical implementations3. UK Contracts; Export Contracts; Car Parks. High Country wheat studs. Nelson Stud Auckland 46 Patiki Road Avondale, Auckland Phone: 09 820-9133 Email: [email protected] Nelson Stud Wellington 91b St Andrews Road Plimmerton PORIRUA 5026 Phone: 04 233-8131 Fax: 04 233-1072 The DSD is the original two-part, double dowel, shear load connector. 6m and 4. ) If you would like to use the price section of our 2x4. Later,. Download scientific diagram | Steel plate with shear stud details from publication: The Effect of Steel Plates with Shear Studs for Weak Column–Strong Beam Connections in the Reinforced Concrete. ), why this about 5% difference? Please see the following: The main reason for the difference is tolerance of the shear connector, normally the manufacturer produces as per the. It uses the latest versions of local standards AS/NZS 2327 and NZS 3404 in combination with the only nailed shear connector in the market provided with. diameter studs to provide the same strength as ¾-in. ends, giving a cross-sectional area ratio of 9:1. 4. For CAN/CSA-S16-01, S16-09, and S16-014, when the rib height is between 38mm. When designing shear wall end posts where holdown anchors are installed, it is common to use posts made from multiple plies of 2x studs (e. Minimum number of shear studs required to develop the controlling moment (anywhere along a span) are distributed uniformly between the point of maximum bending moment and the adjacent points of zero moment (on each side of the point. Minimum Flange Thickness to prevent localised bending of the flange at ultimate loading and minimise the chance of weld blow-through = 0. When PTFE sheeting was added to reduce friction at the steel–concrete interface,. 1; AS/NZ 1554. 2. gen@masterspec. Engineered with optional closed ends, ComFlor® 60 provides excellent acoustic performance and fire protection, with no requirement for filler blocks. The shear connection needs to be verified atStandards New Zealand: Wellington. Normally the shear studs are welded, with a spot welder, after the metal deck is installed over the supporting structural steel. Refer to NZS 3404. TGN, Technical Guidance Notes; TGN Online (Requires Register or Login)Our wall framing calculator is extremely easy to use! You only need two values: The stud OC (on-center) spacing; and. 2 Types of shear connection . diameter studs. 2 ISBN 0850730155 Bates,W. The range of Ancon shear load connectors offers significant advantages over plain dowel bars. Tag. 250mm. Quantity: Add to Cart. To place shear studs. This combined strength allows you to design thinner beams, using less material, than when. The shear performance of studs improves with the increasing stud diameter and yield strength. 1. 97S) and a calculation model of stud shear bearing capacity considering the effects of stud diameter and height, concrete strength, stud welding technique, transverse reinforcement and steel beam type on stud shear bearing capacity. Behavior of grouped stud shear connectors between precast high-str ength concrete slabs and steel beams . 75bmt Stud 495 92mm x 0. shear connectors should extend at least 35mm above the top of the main trapezoidal section.