Construction method of cast-in-place concrete pile with semi-spherical end

The present invention relates to a method to construct a cast-in-place concrete pile with a hemispherical front end surface, which forms the cast-in-place concrete pile with a hemispherical front end surface by depositing concrete into a through-hole with a hemispherical bottom surface in a side to...

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Main Author YANG, SEUNG IL
Format Patent
LanguageEnglish
Korean
Published 26.03.2019
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Abstract The present invention relates to a method to construct a cast-in-place concrete pile with a hemispherical front end surface, which forms the cast-in-place concrete pile with a hemispherical front end surface by depositing concrete into a through-hole with a hemispherical bottom surface in a side to increase a front end support force of the concrete pile so as to reduce a construction cost and period. According to the present invention, the method to manufacture a cast-in-place concrete pile with a hemispherical front end surface comprises: a through-hole formed by drilling the ground by a predetermined depth and having a height equal to a diameter; a rebar net or member inserted into the through-hole; and an in-place concrete deposited into the through-hole to form the hemispherical front end surface. The hemispherical front end surface is formed in a base rock which is bedrock with hardness equal to or greater than that of a soft rock. 본 발명은 반구형 저면을 갖는 천공홀 내부에 콘크리트를 현장타설하여 반구형 선단면이 구비된 현장타설 콘크리트 말뚝을 형성함으로써, 천공홀 하부의 확공 없이도 콘크리트 말뚝의 선단지지력을 증가시켜 공사비 절감 및 공기 단축이 가능한 반구형 선단면이 형성된 현장타설 콘크리트 말뚝의 시공 방법에 대한 것이다. 본 발명 반구형 선단면이 형성된 현장타설 콘크리트 말뚝의 시공 방법은 지반을 소정의 깊이로 굴착하여 형성되는 것으로 지름과 동일한 높이를 갖는 반구형 저면을 갖는 천공홀; 상기 천공홀의 내부에 삽입되는 철근망 또는 철골 부재; 및 상기 천공홀의 내부에 타설되어 반구형 선단면이 형성되는 현장타설 콘크리트; 로 구성되되, 상기 반구형 선단면은 연암 이상 암반 지반인 기반암 내에 형성되는 반구형 선단면이 형성된 현장타설 콘크리트 말뚝을 시공하는 방법에 대한 것이다.
AbstractList The present invention relates to a method to construct a cast-in-place concrete pile with a hemispherical front end surface, which forms the cast-in-place concrete pile with a hemispherical front end surface by depositing concrete into a through-hole with a hemispherical bottom surface in a side to increase a front end support force of the concrete pile so as to reduce a construction cost and period. According to the present invention, the method to manufacture a cast-in-place concrete pile with a hemispherical front end surface comprises: a through-hole formed by drilling the ground by a predetermined depth and having a height equal to a diameter; a rebar net or member inserted into the through-hole; and an in-place concrete deposited into the through-hole to form the hemispherical front end surface. The hemispherical front end surface is formed in a base rock which is bedrock with hardness equal to or greater than that of a soft rock. 본 발명은 반구형 저면을 갖는 천공홀 내부에 콘크리트를 현장타설하여 반구형 선단면이 구비된 현장타설 콘크리트 말뚝을 형성함으로써, 천공홀 하부의 확공 없이도 콘크리트 말뚝의 선단지지력을 증가시켜 공사비 절감 및 공기 단축이 가능한 반구형 선단면이 형성된 현장타설 콘크리트 말뚝의 시공 방법에 대한 것이다. 본 발명 반구형 선단면이 형성된 현장타설 콘크리트 말뚝의 시공 방법은 지반을 소정의 깊이로 굴착하여 형성되는 것으로 지름과 동일한 높이를 갖는 반구형 저면을 갖는 천공홀; 상기 천공홀의 내부에 삽입되는 철근망 또는 철골 부재; 및 상기 천공홀의 내부에 타설되어 반구형 선단면이 형성되는 현장타설 콘크리트; 로 구성되되, 상기 반구형 선단면은 연암 이상 암반 지반인 기반암 내에 형성되는 반구형 선단면이 형성된 현장타설 콘크리트 말뚝을 시공하는 방법에 대한 것이다.
Author YANG, SEUNG IL
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Snippet The present invention relates to a method to construct a cast-in-place concrete pile with a hemispherical front end surface, which forms the cast-in-place...
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EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
Title Construction method of cast-in-place concrete pile with semi-spherical end
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