Quantification of the influencing aspects using Pit construction

The deepness of the foundation pit: the depth of the foundation pit has the most direct impact on the layout and construction of foundation pit design. This index is a quantitative index, and also its system is meters

The kind of the foundation pit support: there are 8 common kinds of foundation pit support, particularly, the row pile support, the below-ground diaphragm wall support, the concrete preserving wall, the dirt nailing wall surface, the arc wall surface constructed by the opposite technique, the undisturbed soil incline, the reinforced concrete row pile, and also other foundation pit support kinds. The numbers in parentheses mirror the respective scores of these kinds of support.

The kind of the infrastructure: according to the anxiety qualities, there are five kinds of commonly made use of foundation structures, specifically, the light beam foundation, strip foundation, plethora foundation, box foundation, as well as heap foundation frameworks. The dimensionless index for the beam foundation structure is 1. Similarly, the indexes of the strip, plethora, box, and pile foundation frameworks are 2, 3, 4, and also 5, specifically.

The kind of pile foundation: a stack foundation is a deep foundation composed of multiple heaps and also stack caps attaching the tops of the heaps, or a single pile foundation attached by columns as well as stacks. The choice of the heap foundation has a fantastic influence on the construction prices of foundation pits as well as building engineering jobs. Common pile foundations mostly consist of prefabricated pipeline heaps, rotating bored piles, manually dug deep into piles, punched stacks, different heap types, and nonengineering piles, the information scores of which are 1, 2, 3, 4, 5, as well as 6, respectively. The reason for the intro of nonengineering piles is that the information for the stack foundation type can not be filled out if the beam or plethora foundation is taken on.

The amount of the stack foundation: according to the Chinese nationwide code (“Code of bills of quantities and valuation for construction works,” GB 50500-2013), the engineering amount of a heap foundation is mainly subject to the created engineering amount of concrete pouring. The design amount of a stack foundation is a quantitative index, and also its unit is m3.
It is very important to keep in mind that, in the engineering method, the pile foundation design amount of a beam foundation or plethora foundation is 0. To avoid the existence of “0 ″ in the unsupervised discovering phase, the stack foundation engineering amounts of 0 in the actually collected information were changed to 0.01.

The construction area of the foundation pit: this is a measurable index that can be determined according to the design drawings, and also its unit is m2.

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