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US 5,474,399 AGranted
Open cutting by floor slab braced retaining wall
OwnerHuang Chia-Hsiunginventor
Life of this patent
Estimating the term…
Abstract
An open cutting to construct a raft foundation right after the first excavation, and to use the raft foundation as a work stage for constructing ground and basement floor slabs by fixing floor-forms to the top-slab thereof. As the raft foundation is lowered, the bracing appliance is fixed to the bottom slab of the raft foundation to give support to the retaining wall.
Claims6
An open cutting by floor slab braced retaining wall, comprising steps of:
- a. constructing retaining walls, bored Concrete piles and bearing columns;
- b. starting the first excavation;
- c. constructing a raft foundation;
- d. fixing bracing appliances, floor-forms, suspension appliances;
- e. constructing a ground floor slab;
- f. starting underground excavation;
- g. lowering said raft foundation;
- h. bracing said raft foundation;
- i. constructing a basement floor;
- and
- j. repeating the aforesaid steps f, g, h, i until finished, and simultaneously constructing vertical structure including walls and columns according to the progress of the work.
8 more elements
Dependencies are inferred from the claim text.