JPS57193621A - In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore - Google Patents

In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore

Info

Publication number
JPS57193621A
JPS57193621A JP7834481A JP7834481A JPS57193621A JP S57193621 A JPS57193621 A JP S57193621A JP 7834481 A JP7834481 A JP 7834481A JP 7834481 A JP7834481 A JP 7834481A JP S57193621 A JPS57193621 A JP S57193621A
Authority
JP
Japan
Prior art keywords
foundation pile
construction
expanded bottom
pit
diameter
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
Application number
JP7834481A
Other languages
Japanese (ja)
Inventor
Tadayoshi Fujimatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP7834481A priority Critical patent/JPS57193621A/en
Publication of JPS57193621A publication Critical patent/JPS57193621A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E02D5/44—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with enlarged footing or enlargements at the bottom of the pile

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

PURPOSE:To permit the construction of an expanded bottom foundation pile free of the lowering of strength in a good yield by forming the shape of the foundation pile into a staged shape in which the diameter of the pile is made smaller toward its lower part. CONSTITUTION:During the construction work, a horizontal force-acting pit P1 is excavated down to a depth where a horizontal force acts by using a drilling bucket with a given diameter, and then the pit is further excavated down to a design depth by using a small-diameter drilling bucket for excavating a shaft part P2. Then, the expanded bottom P3 is cleaned and subjected to a slime- removing treatment, and then a custom-made iron bar cage 10 is erected and also an air lift slime treatment is made. Afterwards, fresh concrete 12 is continuously placed and hardened, and the pit is embedded with excavated good quality soil and sand to construct a foundation pile.
JP7834481A 1981-05-23 1981-05-23 In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore Pending JPS57193621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7834481A JPS57193621A (en) 1981-05-23 1981-05-23 In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7834481A JPS57193621A (en) 1981-05-23 1981-05-23 In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore

Publications (1)

Publication Number Publication Date
JPS57193621A true JPS57193621A (en) 1982-11-29

Family

ID=13659363

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7834481A Pending JPS57193621A (en) 1981-05-23 1981-05-23 In-place reinforced concrete expanded bottom foundation pile and its construction and bit therefore

Country Status (1)

Country Link
JP (1) JPS57193621A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60102417A (en) * 1983-11-08 1985-06-06 Katsumi Kitanaka Split bucket type bottom expander
US4770256A (en) * 1982-06-16 1988-09-13 Yitshaq Lipsker Soil drilling
JPH02243820A (en) * 1988-11-22 1990-09-27 Chunshen Tsuan Reinforcing concrete load bearing pipe having plurality of branches and spread post root part and means for forming pile

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133612U (en) * 1974-09-05 1976-03-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133612U (en) * 1974-09-05 1976-03-12

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4770256A (en) * 1982-06-16 1988-09-13 Yitshaq Lipsker Soil drilling
JPS60102417A (en) * 1983-11-08 1985-06-06 Katsumi Kitanaka Split bucket type bottom expander
JPS6254930B2 (en) * 1983-11-08 1987-11-17 Katsumi Kitanaka
JPH02243820A (en) * 1988-11-22 1990-09-27 Chunshen Tsuan Reinforcing concrete load bearing pipe having plurality of branches and spread post root part and means for forming pile

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