Tower crane base structure in range of base bottom plate and construction method thereof
A technology of tower crane foundation and foundation floor, which is applied in infrastructure engineering, protective devices, buildings, etc. It can solve the problem of unguaranteed staggered length of steel bar joints, unguaranteed quality of waterproofing works, easy corrosion of steel bar joints, and difficulty in connecting, etc. problem, to achieve the effect of small waterproof stubble area, simple and easy construction method, and less investment
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[0044] Embodiment 1 of a construction method of a tower crane foundation arranged within the scope of the foundation floor, the steps are as follows:
[0045] Step 1: Excavate the foundation trench. The elevation of the upper surface of the tower crane foundation 2 is below the design bottom elevation of the foundation bottom plate 8, for example, it is located below the design bottom elevation of the foundation bottom plate 8 100mm. According to the requirements of the tower crane foundation design drawing, construct the tower crane foundation cushion 1 and the tower crane in sequence. Foundation 2, and pre-buried the foundation section of the tower crane. After the concrete strength of the tower crane foundation 2 reaches the installation design strength, install the tower crane.
[0046]Step 2: Concrete waterproof cushion layer a4.1 is poured on the upper surface of the tower crane foundation 2 according to the design requirements, and the surface of the protruding waterproo...
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