It is advisable to bind them with buckles
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When the design requires that the stirrup is provided with tie bar, the tie bar shall hook the stirrup
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Firstly, put the beam reinforcement from bottom to top, draw the stirrup spacing on the main reinforcement of the beam, set the beam stirrup, and then separate the stirrup one by one according to the drawn spacing
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When binding the beam reinforcement, prevent the water and electricity pipeline from lifting or pressing down the reinforcement, and prevent lightning protection grounding before the beam reinforcement passes the acceptance, and weld its end or the intersection of main and secondary beams firmly（ 1） Marking and positioning before beam stirrup installation (II) standard installation of beam reinforcement (III) core stirrup setting at the junction of primary and secondary beams (the article comes from the network).
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In order to ensure that the wall reinforcement will not shift during concrete pouring, a wall reinforcement positioning frame welded with A8 reinforcement is proposed to be set on the top of each floor for the positioning of the relative position between the two layers of reinforcement and the positioning of a single reinforcement
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The first stirrup at the beam end shall be set 50mm away from the edge of the column node
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2
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Binding of column stirrups: move the sheathed stirrups upward according to the marked stirrup position line and bind them from top to bottom
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Installation of column cushion blocks: plastic cushion blocks shall be used for columns, and the vertical and horizontal spacing shall not exceed 800mm, and the horizontal spacing shall not be less than 2
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When the reinforcement at the joint is very dense, special attention shall be paid to the clear distance between the main reinforcement on the beam top surface of 30mm, which shall be subject to the minimum clear distance between the main reinforcement
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4
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The joints of stirrups (hook overlap) shall be staggered on the four corner longitudinal reinforcement
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The wall reinforcement is a two-way stressed reinforcement
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Finally, fix the longitudinal distribution reinforcement
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When binding, draw the position line of reinforcement on the formwork first: the bottom plate reinforcement shall be marked on the cushion; Wall plate reinforcement shall be scribed on the formwork; The column stirrup shall be marked on two diagonal lines, and the beam stirrup shall be marked on the erection reinforcement
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Placement sequence of distribution bars in the wall body: the vertical bar spacing card shall be bound first, and the vertical distribution bars required for the wall body shall be placed at the side of the wall column and slightly fixed with the wall column
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Installation of cushion blocks: Marble cushion blocks shall be placed at the intersection of main and secondary beam stirrups and main reinforcement
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First set the stirrups on the lap bars protruding from the lower layer, and then weld the column reinforcement
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If there is displacement, it shall be treated with the main reinforcement of the column
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The hooks of stirrups at the overlap shall be bound staggered in the beam
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Plastic cushion blocks shall be used at the side of the beam, and the vertical and horizontal spacing shall not exceed 1000mm
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3
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3
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4
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（ 2） Correct practice of longitudinal reinforcement lengthening (III) treatment of column reinforcement deviation node Treatment of internal deviation of structural column reinforcement Treatment of structural column reinforcement out of position node note: if the basement column reinforcement is out of position outside the column, the column reinforcement can not be bent, the column size can be appropriately increased, and the column reinforcement can be wrapped into the concrete（ 4） Structural requirements for variable section column (V) requirements for densified structure of column stirrup (VI) scope of densified area of column stirrup (VII) requirements for core stirrup (VIII) requirements for setting cushion blocks of reinforcement protective layer around the column (IX) requirements for welding connection of column longitudinal reinforcement (x) requirements for setting positioning stirrup: the starting stirrup shall be about 50mm above the ground, Column longitudinal reinforcement and beam reinforcement shall be firmly bound (XI) column initial stirrup IV
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II
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When the main reinforcement is double-layer, cement precast strips can be used to pad between the two layers of reinforcement, and the row spacing of cement precast strips shall be ≥ 1.5m and not less than 2
.
3
.
4
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1、 Before the reinforcement installation and construction preparation site starts to bind the reinforcement, the garbage on the cushion and in the formwork shall be cleaned first
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The stirrup shall be perpendicular to the main reinforcement, the intersection of the stirrup corner and the main reinforcement shall be bound, and the intersection of the main reinforcement and the non corner part of the stirrup shall be bound in a plum blossom staggered manner
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installation of beam reinforcement 1
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6
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Stirrups at the junction of beam end and column shall be densified, and their spacing and length of densified area shall meet the design requirements
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Then tie the horizontal bar spacing clamp, and then fix the horizontal distribution bar on the wall from top to bottom
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Stirrups at the upper and lower ends of the column shall be densified, and the length of the densified area and the spacing of stirrups in the densified area shall meet the requirements of the design drawings
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wall reinforcement installation 1
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Reinforcement anchorage requirements the minimum anchorage length La and seismic anchorage length Lae of tensile reinforcement shall meet the requirements of 16g101-1 specification: III
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Draw stirrup spacing points: draw stirrup spacing points with chalk on the welded column vertical reinforcement according to the drawing requirements
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The overlap of hooks of stirrups shall be staggered along the column vertical bars and bound firmly
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Pop up the column positioning control line on the floor concrete to check the column position, If the deviation of main reinforcement exceeds the specification range, it shall be reported in time, and the technical director shall make the treatment scheme, and then carry out the construction according to the treatment scheme, and shall not deal with it on site
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The formwork working face shall be delivered to the reinforcement team as a whole after cleaning
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The stirrup binding the longitudinal reinforcement at the upper part of the beam shall be bound by the buckle method
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In order to ensure the correct elevation position of door and window openings, mark the elevation line on the vertical reinforcement of the openings
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All reinforcement intersections shall be bound point by point, and their overlapping degree and position shall meet the requirements of the design drawings and construction specifications
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5
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5
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column reinforcement installation (I) column reinforcement binding 1
7
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In addition, cooperate with other types of work to install embedded pipe fittings and reserved holes, and their positions and elevations shall meet the design requirements
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Set column stirrups: calculate the number of stirrups for each column according to the spacing required in the drawing
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5
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The door and window openings shall be bound with coupling beam reinforcement according to the design requirements, and the length anchored into the wall shall meet the design requirements
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2
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Snap the position lines of wall body and door and window openings on the floor concrete, and correct the embedded joint reinforcement again
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2
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The wall reinforcement cushion block adopts plastic cushion block, which is arranged in quincunx shape, and the vertical and horizontal spacing shall not exceed 800 * 800mm（ 1） Construction method of shear wall (II) support anchorage structure of slab at the end of wall and column (III) standard practice of shear wall (IV) reinforcement structure of reserved holes in wall and slab v
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Binding of beam reinforcement shall follow the principle of first frame beam and then non frame beam, first main beam and then secondary beam, first low span beam and then high span beam
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The spacing of cushion blocks shall not exceed 800mm
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