Steel latticed column combined-type tower crane infrastructure in foundation pit and construction method
A technology of steel lattice columns and composite towers, which is applied in basic structure engineering, construction and other directions, can solve the problems of high cost, difficult construction, and difficult construction, and achieve the effect of increasing structural stability.
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[0033] The technical requirements for the foundation construction of the tower crane will not be repeated in the present invention, but will focus on the structure involved in the present invention.
[0034] Such as Figure 1-5 As shown, the steel lattice column 6 composite tower crane foundation structure in the foundation pit described in this embodiment includes a foundation pit and a prefabricated cast-in-place pile 1 at the bottom of the foundation pit 11. The cast-in-place pile 1 is sequentially connected from bottom to top. Steel lattice column 6, steel column 15, cap 9 and tower crane embedded joint foundation 10. Steel lattice column 6 is equipped with a concrete core column 5, and cast-in-place pile 1 is equipped with multiple pile inner longitudinal bars that constitute a steel cage 18. The steel lattice column 6 is welded and fixed with the reinforcement cage in the cast-in-place pile 1. The welded section of the cast-in-place pile 1 and the steel lattice column 6 is ...
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