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Basic dataStandard ID: JGJ 138-2016 (JGJ138-2016)Description (Translated English): Code for design of composite structures Sector / Industry: Building & Construction Industry Standard Classification of Chinese Standard: P25 Classification of International Standard: 91.080.40 Word Count Estimation: 290,268 Date of Issue: 2016-06-14 Date of Implementation: 2016-12-01 Older Standard (superseded by this standard): JGJ 138-2001 Quoted Standard: GB 50009; GB 50010; GB 50011; GB 50017; GB 50018; GB 50205; GB 50661; GB/T 700; GB/T 985.1; GB/T 985.2; GB/T 1228; GB/T 1229; GB/T 1230; GB/T 1231; GB/T 1591; GB/T 2518; GB/T 3632; GB/T 5117; GB/T 5118; GB/T 5293; GB/T 5313; GB/T 5780; GB/T 5782; GB/T 811 Regulation (derived from): Ministry of Housing and Urban-Rural Development Bulletin 2016 No. 1145 Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China Summary: This standard is applicable to the design of steel and concrete composite structures for high-rise buildings, multi-storey buildings and general structures in non-seismic areas and seismic fortifications with a magnitude of 6 to 9 degrees. JGJ138-2016: Code for design of composite structures---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.UDC People's Republic of China Industry Standard Record number J130-2016 Design of composite structure design Code for design of composite structures 2016-06-14 release 2016-12-01 implementation People's Republic of China Ministry of Housing and Urban - Rural Development People's Republic of China Industry Standard Design of composite structure design Code for design of composite structures Approval Department. Ministry of Housing and Urban and Rural Development of the People's Republic of China 1 General1.0.1 for the rational use of steel and concrete in the construction of composite structure, so security Full application, advanced technology, economic and reasonable, easy construction, the development of this specification. 1.0.2 This specification applies to non-seismic zones and seismic fortification intensity of 6 degrees to 9 degrees Seismic area of high - rise buildings, multi - storey buildings and general structures of steel and concrete composite structure design. 1.0.3 The design of the composite structure shall comply with the requirements of this specification The relevant provisions of the relevant national standards.2 terms and symbols2.1 terminology 2.1.1 composite structure members composite structure members By the steel, steel or steel and steel reinforced concrete combination of the overall force of the structural components. Composite structure The structure consists of a composite structural member, as well as a combination of structural members and steel structures Pieces, reinforced concrete components of the structure. Steel reinforced concrete frame beam Frame beam of reinforced concrete section. Reinforced concrete beam Supporting the upper floor of the wall or column, to achieve the upper floor to the lower floor structure of the form of turn Variable or structural arrangement of steel reinforced concrete beams; part of the frame shear wall structure conversion Beam also called frame beam. Reinforced concrete frame Columns The frame of the steel frame in the reinforced concrete section. 2.1.6 rectangular concrete-filled steel tubular column concrete-filled rectangular steel Tube frame columns Rectangular steel pipe filled with concrete to form steel frame and concrete common force frame column. 2.1.7 circular concrete filled steel frame concrete column concrete-filled circular steel Tube frame columns The concrete columns are filled with concrete filled with steel and concrete. 2.1.8 conversion column transfer columns Supporting the upper floor of the wall or column, to achieve the upper floor to the lower floor structure of the form of turn Change or structure to change the column. Steel concrete concrete shear wall Reinforced concrete shear wall in the edge of the structure is equipped with solid steel shear wall. 2.1.10 steel plate concrete shear wall steel plate ∞ ncrete composite walls Reinforced concrete sections are arranged in shear wall of steel plate and end section steel. 2.1.11 steel oblique concrete shear wall steel concealed bracing concrete Composite shear walls Shear Walls with Steel Bent and End Steel in Reinforced Concrete Section. Steel and concrete composite beams The concrete wings and the steel girders are formed by the combination of shear joints to the force. 2.1.13 composite slabs The cast - in - place concrete is made of pressure - type steel plate and concrete. 2.2 symbols 2.2.1 Material properties3 material3.1 steel 3.1.1 composite structure of steel components should be used Q345, Q390, Q420 low alloy High-strength structural steel and Q235 carbon structural steel, the quality level should not be lower than the B level, and Should be in line with the existing national standard "low - alloy high - strength structural steel)) GB/T 1591 And "carbon structural steel") GB/T 700. When thicker steel plates are used, Selection of materials, material in line with the current national standard "building structure with steel)) GB/T 19879 of the grades of steel, the quality level should not be lower than the B level. When using other cards When the steel, should still meet the relevant provisions of the current national standards. 3.1.2 steel should have yield strength, tensile strength, elongation, impact toughness and Sulfur, phosphorus content of the qualified guarantee, the welding structure should still have a carbon content of the qualified guarantee And the cold bend test of the qualified guarantee. 3.1.3 steel should be used to calm steel. 3.1.4 steel plate thickness greater than or equal to 40mm, and bear the direction of the thickness of the pull Welding connection plate, steel plate thickness direction cross section shrinkage, should not be less than the current national standard Quasi "thickness direction of the performance of steel)) GB/T 5313 Z15 level of the allowable value. 3.1.5 Considering the seismic action of the composite structure of the steel components should be consistent with national standards Code for seismic design of buildings) GB 50011 -.2010. 3.1.6 steel strength indicators should be used in Table 3.1.6-1, Table 3.1.6-2. Table 3.1.6-1 Steel Strength Index CN/mnn 3.1.8 The quality of steel plate should be consistent with the current national standard "building pressure plate" GB/T 12755 of the provisions of the plate should be used to set the hot plate galvanized steel plate, not Should choose aluminum plate. Plating layer should be consistent with the current national standard "continuous hot-dip galvanized steel Plate and strip)) GB/T 2518. 3.1.9 pressure plate should be used in line with the existing national standard "continuous hot plate bowl steel plate And steel)) GB/T 2518 of the S250 grades of structural steel, the strength of the standard value, The design values shall be used in accordance with Table 3.1.9. Table 3.1.9 Standard value of pressure-type copper plate, design value (N/rnm2) 3.1.10 The welding material of steel shall meet the following requirements. 1 manual welding electrode should be compatible with the main metal mechanical properties, and should be consistent The current national standard "non-alloy steel and fine grain steel electrode)) GB/T 5117," heat Strong steel electrode)) GB/T 5118 regulations. 2 automatic welding or semi-automatic welding using the welding wire and flux, should be with the main body of gold Is suitable for mechanical properties, and should meet the current national standard "submerged arc welding carbon steel wire And flux)) GB/T 5293, "Low alloy steel welding wire and flux for submerged arc welding)) GB/T 12470, "gas shielded arc welding with steel, low alloy steel wire)) GB/T 8110 requirements. 3.1.11 weld quality level should be consistent with the current national standard "steel structure construction quality Quantity acceptance specification)) GB 50205, the weld strength design value should be in accordance with Table 3.1.11 The provisions of the adoption. Table 3.1.11 weld strength design (N/mm2) 3.1.12 Bolts and bolts used for connection of steel components shall comply with the following provisions. 1 ordinary bolts should comply with the current national standard "hex head bolts)) GB jT 5782 and "hex head bolts-c grade)) GB jT 5780 requirements; A, B-class bolts Hole accuracy and hole wall surface roughness, c-class bolt hole allowable deviation and hole wall surface Roughness, should meet the current national standard "steel structure construction quality acceptance rules Fan)) GB 50205 requirements. 2 high strength bolts should be consistent with the current national standard "steel structure with high strength six Corner jaws)) GB jT 1228, "High strength hexagon nuts for steel construction") GB jT 1229, "High strength gaskets for steel construction)) GB jT 1230," High strength for steel construction Hexagon head bolts, large hex nuts, washers Technical conditions > > GB/T 1231 or "steel Structure with torsional shear type high strength bolts connected deputy > > GB/T 3632 requirements. 3 The strength of the design of the common bolts should be calculated according to Table 3.1.12-1; The value of the anti-slip coefficient of the friction surface of the bolted steel shall be used in accordance with Table 3.1.12-2; The design of the high strength bolted connection preload should be used in accordance with Table 3.1.12-3. 4 anchor bolt can be used in line with the current national standard "carbon structural steel > > GB/T 700, "low-alloy high-strength structural steel") GB/T 1591 provides Q235 steel, Q345 steel. Table 3.1.12-1 Strength of bolted connections Design value (N/mrn2) Note. 1 A-class bolts for d, ç24mm and l, ç 10d or l, ç 150mm (press smaller Value) of the bolt; Bolts are bolts for d > 24mm or l > 10d or > 150mm (by smaller). D is nominal Diameter, l for the nominal length of the screw. 2 Table with brackets for cold forming thin-walled steel. Table 3.1.12-2 Anti-slip coefficient of friction surface The steel part of the component that connects the component contact surface Treatment method Q235 Q345, Q390 Q420 Sandblast (pills) 0.45 0.50 0.50 Sandblasting (pills) after painting yuan machine cast paint 0.35 0.40 0.40 Sand blasting (pills) after birth rust 0.45 0.50 0.50 The wire brush removes the rust or untreated 0.30 0.35 0.40 Of the clean rolling surface Table 3.1.12-3 Preload of a high strength bolt (play) Bolt nominal diameter (mm) Bolt performance grade M16 M20 M22 M24 M27 Island 130 8.8 grade 80 125 150 175 230 280 10.9 grade 100 155 190 225 290 355 3.1.13 pegs should be consistent with the current national standard "arc butterfly, column welding with cylindrical head welding nails" GB/T 10433, its material and mechanical properties should be consistent with the provisions of Table 3.1.13. 3.2 Reinforcement 3.2.1 longitudinal reinforcement should be used HRB400, HRB500, HRB335 hot rolling Steel bars; stirrups should use HRB400, HRB335, HPB300, HRB500, its Strength standard values, design values should be used in accordance with Table 3.2.1. Table 3.2.1 Steel Strength Standard Value, Design Value CN/mrn2) 3.2.3 seismic rating of one, two, three of the framework and the bracing member, its longitudinal by Reinforcement should conform to the national standard "Code for Design of Concrete Structures") GB 50010 -.2010 Article 11.2.3 of the relevant provisions. 3.3 concrete 3.3.1 steel reinforced concrete structural components used in the strength of the sticking strength should not be lower than C30; seismic fortification requirements, the shear wall should not exceed C60; other components, set Anti-intensity 9 degrees should not exceed C60; 8 degrees should not exceed C70. Mix in steel pipe Concrete strength grade, the Q235 steel pipe, should not be lower than the C40; on the Q345 steel pipe, Should not be lower than the C50; Q390, Q420 steel pipe, should not be lower than the C50. Combination floor The strength grade of the concrete should not be lower than C20. 3.3.2 concrete axial compressive strength standard value fck, axial tensile strength standard value Ftk should be used in accordance with Table 3.3.2-1; axial compressive strength design value fc, axis The tensile strength design value ft shall be used in accordance with Table 3.3.2-2. Table 3.3.2-1 Concrete Strength Standard Value (N/mm2) 3.3.4 steel reinforced concrete composite structure of the concrete aggregate diameter should be less than the maximum Steel outer concrete protective layer thickness of 1/3, and not more than 25mm. On the pouring Difficult or complex parts of the joints, should adopt a smaller aggregate, more fluid high nature Can be concrete. The maximum aggregate diameter of concrete in concrete - filled steel tube is not more than 25mm. Basic Requirements for Structural Design 4.1 General provisions 4.1.1 Combined structural members can be used for frame structures, frame shear wall structures, and sections Frame shear wall structure, frame - core tube structure, cylinder tube structure and other structural system. 4.1.2 various types of structural systems, the entire structure of the structure of the use of structural components, Can also be used with structural components and steel structure, reinforced concrete structural components at the same time use. 4.1.3 Consider the combination of seismic action in various structural systems in the frame column, along the house Height should adopt similar structural components. When using different types of structural components, should be set Transitional layer and shall comply with the provisions of this specification for column and column connection structures. 4.1.4 The structure of the floor in all kinds of structural systems should have good horizontal stiffness and the whole Physical, the floor should adopt a combination of floor or cast-in-place reinforced concrete floor; the use of combination Floor, the conversion layer, to strengthen the layer and a large hole floor, should increase the combination of floor Of the effective thickness or the use of cast-in-place reinforced concrete floor. 4.2 Structural system and structural component type 4.2.1 steel reinforced concrete column embedded in the steel, should adopt the real type of welded steel (Figure 4.2.1a, b, c); for steel reinforced concrete giant columns, the type of steel should be used for multiple welding The steel is connected through steel plates into a solid, solid-type welded steel (Figure 4.2.1d). (Solid cross-shaped real abdomen (hope cross-shaped real abdomen (c) box-shaped real abdomen Welded welded steel welded welded steel (D) steel plate connected to the whole solid-type welded steel Figure 4.2.1 Reinforced steel cross-section of steel reinforced concrete columns 4.2.2 steel reinforced concrete beam, should be filled with full type of real steel, its steel Of the side of the flange should be located in the pressure area, the other side of the flange should be located in the tension zone. Figure 4.2.2 Reinforcement form of section steel section of steel reinforced concrete beam 4.2.3 rectangular steel tube concrete column of rectangular steel pipe can be welded with hot-rolled steel plate Type steel pipe, can also be used hot-rolled steel pipe or cold-formed straight seam welded steel pipe. 4.2.4 circular steel pipe concrete column of circular steel pipe, should adopt a straight seam welded steel pipe or yuan Sewing steel pipe, spiral welded steel pipe can also be used, should not use the transmission fluid with the spiral welded pipe. 4.2.5 steel and concrete composite shear wall can be used steel reinforced concrete shear wall (Figure 4.2.5a), steel plate concrete shear wall (Figure 4.2.5b), strip steel braced 1 concrete clot Wall (Figure 4.2.5c) and an end column or with a frame steel 1 concrete shear wall. (C) Striped concrete shear wall (with end or frame steel reinforced concrete shear wall Figure 4.2.5 Steel and concrete composite shear wall section form 4.2.6 steel and concrete composite beam wing can be used cast-in-place concrete slab, concrete Laminated plate or press plate reinforced concrete composite panel (Figure 4.2.6). (A) Cast-in-place concrete slabs (b) Concrete composite panels (c) Compressed steel sheet concrete composite panels Figure 4.2.6 Steel and sea composite beams1 a prefabricated board4.2.7 Steel and concrete composite floor in the pressure plate can be used to open the type of steel Plate, necking type plate and closed type steel plate (Figure 4.2.7). The retreat of the mercy of the mercy (B) Shaped type steel plate (c) Closed type steel plate Figure 4.2.7 Form of steel and stick concrete floor in medium pressure type steel plate 4.3 Design calculation principles 4.3.1 steel and concrete composite structure, high-rise buildings, the structure of the earthquake or The internal force and displacement calculation, the horizontal displacement limit and the comfort degree under the combination of wind load The overall stability of the structure of the calculation, as well as the structure of seismic performance design, anti-continuous collapse Design, etc., should be consistent with the current national standard "building structure load specifications)) GB 50009, Code for seismic design of buildings) GB 50011, Code for Design of Concrete Structures 50010, "high-rise building concrete structure technical regulations)) JG J 3 and other relevant provisions. 4.3.2 The combination of structural members shall be in accordance with the load capacity limit state and the normal use of the limit State to design. 4.3.3 The bearing capacity of the composite structure shall be designed in accordance with the following formula. 1 lasting, short-term design status 2 steel reinforced concrete shear wall, steel plate concrete shear wall, strip inclined concrete coagulation The stiffness of the soil shear wall can be calculated according to the following principles. 1) steel reinforced concrete shear wall, the cross-section stiffness can be approximated by the same section Reinforced concrete shear wall to calculate the cross-section stiffness, excluding the end of the steel The role of the increase in cross-section stiffness; 2) with end column steel reinforced concrete shear wall, the cross-section stiffness can be mixed by the end column The area of concrete cross - section plus the equivalent coagulation of the steel by elastic modulus ratio Soil area to calculate its bending stiffness and axial stiffness; wall shear stiffness can be Not the role of steel; 3) steel plate concrete shear wall, the steel plate can be converted into elastic modulus ratio Effective section of concrete to calculate the cross - section stiffness; 4) Striped concrete shear wall with steel, without considering the steel braced to its cross section just The impact of degree. 4.3.5 The use of composite structure components as the main anti-lateral force structure of the various combinations System, the maximum applicable height of its housing should meet the requirements of Table 4.3.5. Table frame Structure, frame shear wall structure in the steel (steel) concrete frame, refers to the type of steel (Steel) concrete columns and steel beams, steel reinforced concrete beams or reinforced concrete beams Frame; frame - core - tube (steel) concrete frame and cylinder in core tube structure In the tube structure of the steel (steel) concrete outer tube, refers to the structure of the whole height from the steel (Steel pipe) concrete column and steel beam or steel reinforced concrete beam frame, outer tube. Table 4.3.5 Maximum applicable height of composite structure housing (m) Note. 1 plane and vertical are irregular structure, the maximum applicable height should be appropriate to reduce; 2 table "reinforced concrete shear wall", "reinforced concrete core tube refers to the shear wall of all the reinforced steel The concrete shear wall and the structural part are the steel reinforced concrete shear wall or the steel plate concrete shear wall. 4.3.6 The structural damping ratio of the composite structure under the influence of multiple earthquakes is 0.04, When the height of the house exceeds.200m, the damping ratio is preferably 0.03; when the floor beam is made of steel Concrete beam, the corresponding structure damping ratio can be increased by 0.01; wind load under the floor Displacement check and component design, the damping ratio can be taken as O.02 ~ 0.0......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of JGJ138-2016_English be delivered?Answer: Upon your order, we will start to translate JGJ138-2016_English as soon as possible, and keep you informed of the progress. 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