JPS5595729A - Construction of substructure of building - Google Patents
Construction of substructure of buildingInfo
- Publication number
- JPS5595729A JPS5595729A JP351279A JP351279A JPS5595729A JP S5595729 A JPS5595729 A JP S5595729A JP 351279 A JP351279 A JP 351279A JP 351279 A JP351279 A JP 351279A JP S5595729 A JPS5595729 A JP S5595729A
- Authority
- JP
- Japan
- Prior art keywords
- substructure
- columns
- studs
- cast
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
PURPOSE: To construct substructure efficiently and safely by a method wherein precast concrete columns connecting through substructure and superstructure are set simultaneously with the casting of cast-in-place piles, and the ground is progressively excavated while spanning breast boards by use of the columns.
CONSTITUTION: For construction of substructure, vertical holes 1 are first excavated at predetermined locations along the periphry of a building including the substructure. Then a cast-in-place pile or consolidating concrete 2 is cast in each of the holes 1 to the level of the foundation of substructure. Before the concrete 2 is hardened, precast concrete main columns 3 and studs 4 are suspended in the holes 1, and main reinforcements 5 at the lower ends of the columns and studs are embedded in the concrete 2. The area surrounded by the columns 3 and studs 4 is excavated from the ground surface; each time the ground 8 is exposed, breast boards 7 are spanned to prevent collapse of earth, before further excavation. In connection with the columns 3 and studs 4, a floor spanning beam 9 for the first floor and a portion of the basement outside wall are cast, and a spanning beam 10 for the basement is constructed at a predetermined depth.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351279A JPS5595729A (en) | 1979-01-16 | 1979-01-16 | Construction of substructure of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351279A JPS5595729A (en) | 1979-01-16 | 1979-01-16 | Construction of substructure of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5595729A true JPS5595729A (en) | 1980-07-21 |
Family
ID=11559407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP351279A Pending JPS5595729A (en) | 1979-01-16 | 1979-01-16 | Construction of substructure of building |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5595729A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939769A (en) * | 1972-08-28 | 1974-04-13 |
-
1979
- 1979-01-16 JP JP351279A patent/JPS5595729A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4939769A (en) * | 1972-08-28 | 1974-04-13 |
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