Design method of excavation-free assembly type stereo garage foundation structure

Abstract

The invention discloses a design method of an excavation-free assembly type stereo garage foundation structure. The method is characterized by comprising the following steps that the load of a central inner ring of a stereo garage is set as A, the load of a middle inner ring is set as B, and the load of an outer ring is set as C; stand columns in each ring of the stereo garage are sequentially labeled as 1, 2, 3 and so on according to the clockwise direction; the component internal force, the dead-load maximum deflection and the live-load maximum deflection of the stereo garage foundation structure are subjected to checking calculation; thw bolt shear bearing capacity and the internal force at a node unit are subjected to checking calculation; a precast concrete plate is checked, and an adjustable support base is checked. When the stereo garage is applied, no excavation is needed, the stereo garage is suitable for the ground different in flatness, and the disassembly is convenient.

Description

technical field [0001] The invention relates to a parking garage, in particular to a design method for an excavation-free assembled three-dimensional garage foundation structure. Background technique [0002] After the reform and opening up, my country has rapidly grown into the world's third largest automobile producer and second largest automobile consumer, and the demand for parking lots has gradually increased. There are also parking problems such as many cars and few spaces and difficult parking, which can be seen in the shortage of parking spaces. As a modern parking lot that can fully meet people's practical needs, the intelligent parking garage can solve the problems of parking difficulty, difficulty in finding a car, slow traffic speed, and single payment method that people encounter in the parking process, and can manage the parking lot well. Order, effectively promote the improvement of the utilization rate of limited parking spaces in the parking lot, and allevi...

AI Technical Summary

Problems solved by technology

[0003] At present, the existing building foundation types mainly include the following types: (1) Independent foundation, pouring reinforced concrete in the independent foundation excavated separately, for uneven soil construction, the construction is not complicated; however, when the upper load is large , it is wasteful to use an independent foundation, and when the soil quality is not uniform, the settlement difference of the independent foundation is relatively large

(2) The strip foundation has a large bending rigidity, which converts the concentrated load on the upper part into a uniform load, so that the foundation is more evenly stressed; however, the construction of the strip foundation is more complicated and wasteful. long

(3) The raft foundation can reduce the pressure per unit area of ​​the foundation soil, increase the bearing capacity of the foundation, and enhance the overall rigidity of the foundation; however, the raft foundation has a large volume, and the amount of concrete poured during construction is large, and the construction is complicated and economical. poor

(4) The pile foundation has a high bearing capacity and has a high guarantee for the anti-overturning and lateral movement of the building; however, the cost is relatively high

However, in some large and medium-sized cities with dense buildings and complex underground pipelines, excavation of foundation pits will inevitably pose a threat to the safety of surrounding buildings, pipelines and other underground facilities.

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