BUILDING BASE STRUCTURE, CONSTRUCTION METHOD FOR BUILDING BASE, AND FRAME USED IN IT

• Main Author: SASAKI MITSUO
• Format: Patent
• Language: English; Japanese
• Published: 14.09.2017
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

PROBLEM TO BE SOLVED: To improve support strength of foundation of a prop base, and to make construction easy thereby improving construction workability in order to reduce cost.SOLUTION: It comprises: a concrete mat foundation 1 comprising established horizontal reinforcing bar group 2; a concrete cloth base 3 established on peripheral part of the mat foundation 1; and a plurality of concrete prop bases 10 which is arranged at a predetermined position at inside of the cloth base 3, comprises an established reinforcing bar group 11 established in a manner connected to the horizontal reinforcing bar group 2 at inside, and is consecutively arranged to the mat foundation 1. The prop base 10 is formed into a truncated cone shape with a prop frame M whose inner space e is formed into a truncated cone shape and which is removed after formation. An interior angle θ of outer surface of the prop base 10 relatively to the mat foundation 1 is defined as 65°≤θ≤85°so that configuration of the established reinforcing bar group 11 is formed into a truncated cone shape having an approximately similar shape to the configuration of the prop base 10.SELECTED DRAWING: Figure 4 【課題】 支柱基礎の土台の支持強度を向上させるとともに、施工を容易にして施工作業性を向上させ、安価にできるようにする。【解決手段】 敷設された水平鉄筋群２を内部に有したコンクリート製のベタ基礎１と、ベタ基礎１の外周部に立設されるコンクリート製の布基礎３と、布基礎３の内側の所定位置であって水平鉄筋群２に連結されて立設された立設鉄筋群１１を内部に有しベタ基礎１に連設されるコンクリート製の複数の支柱基礎１０とを備え、支柱基礎１０を、内部空間ｅが錐台形状に形成され成形後に取り外される支柱型枠Ｍによって錐台形状に成形した。支柱基礎１０の外側面のベタ基礎１に対する内角θを、６５°≦θ≦８５°に設定し、立設鉄筋群１１の外形を支柱基礎１０の外形と略相似形の錐台形状に形成した。【選択図】 図４