A kind of prestressed concrete truss laminated plate and its manufacturing method
A technology of prestressed steel truss and manufacturing method, which is applied to floors, manufacturing tools, building components, etc. It can solve the problems of easy cracks, poor compression resistance, poor shear resistance, and poor force bearing capacity, so as to strengthen the connection and firmness The effect of ensuring the integrity of the connection and improving the overall connection strength
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Embodiment 1
[0034] Such as Figure 1 to Figure 5The prestressed concrete truss composite slab shown includes a composite slab body 1; the composite slab body 1 includes a prestressed steel truss A, and a concrete pouring layer B poured on the periphery of the prestressed steel truss; the prestressed steel truss A It includes the prestressed reinforcement bottom layer A1 bundled with multiple prestressed reinforcements arranged at intervals along the length direction of the laminated slab body, the transverse reinforcement layer A2 connected with the prestressed reinforcement bottom layer, and the longitudinal reinforcement layer bound and fixed with the transverse reinforcement layer A3; the longitudinal reinforcement layer is arranged parallel to the bottom layer of prestressed reinforcement; the horizontal reinforcement layer is arranged perpendicular to the bottom layer of prestressed reinforcement; The notch 2; the connecting notch 2 is provided with multiple groups of fixing holes 3 ...
Embodiment 2
[0042] Such as Figure 6 The structure of the prestressed concrete truss laminated slab shown is basically the same as that of Embodiment 1, wherein, the outer edge of the connecting notch 2 is also provided with an inclined surface 13, which can increase the laminated slab and cast-in-situ concrete when pouring on site. The contact area between the layers can enhance the connection strength between the laminated slab and the cast-in-place concrete layer.
[0043] The preparation method of prestressed concrete truss laminated plate of the present invention, described preparation method comprises the following steps:
[0044] The first step is to place the prestressed steel truss, and place the prestressed steel truss bundled by the bottom layer of prestressed reinforcement, the layer of transverse reinforcement and the layer of longitudinal reinforcement in the concrete mold;
[0045] The second step is the welding of supporting steel plates and positioning steel plates. Mult...
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Abstract
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