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CONSTRUCTION METHOD CRUSHED STONE PILE, CONSTRUCTION JIG OF CRUSHED STONE PILE AND CONSTRUCTION SYSTEM OF CRUSHED STONE PILE
PROBLEM TO BE SOLVED: To provide a construction method of a crushed stone pile for preventing the inflow of sediment to the inside of a casing pipe, and capable of surely opening the tip of the casing pipe.SOLUTION: A construction method of a crushed stone pile comprises a first process of penetrating a casing pipe 2 for providing a diametrical expansion part 5 on the tip into the ground in a state of separably storing a cover member 10 in the diametrical expansion part 5, a second process of pulling back the casing pipe 2 from underground and separating the cover member 10 from the diametrical expansion part 5, a third process of inputting a crushed stone G into the casing pipe 2 from aboveground and a fourth process of push-hardening the crushed stone G in the ground by repeating intrusion and pull-back of the casing pipe 2.SELECTED DRAWING: Figure 2
【課題】ケーシングパイプの内部への土砂流入を防止すると共に、ケーシングパイプの先端を確実に開放できる砕石杭の施工方法を提供する。【解決手段】砕石杭の施工方法は、先端に拡径部５が設けられたケーシングパイプ２を、拡径部５内に蓋部材１０を離脱自在に収容した状態で地中に貫入する第一工程と、ケーシングパイプ２を地中から引き戻すと共に、蓋部材１０を拡径部５から離脱させる第二工程と、ケーシングパイプ２内に地上から砕石Ｇを投入する第三工程と、ケーシングパイプ２の貫入と引き戻しを繰り返して砕石Ｇを地中内で押し固める第四工程と、を備える。【選択図】図２
CONSTRUCTION METHOD CRUSHED STONE PILE, CONSTRUCTION JIG OF CRUSHED STONE PILE AND CONSTRUCTION SYSTEM OF CRUSHED STONE PILE
PROBLEM TO BE SOLVED: To provide a construction method of a crushed stone pile for preventing the inflow of sediment to the inside of a casing pipe, and capable of surely opening the tip of the casing pipe.SOLUTION: A construction method of a crushed stone pile comprises a first process of penetrating a casing pipe 2 for providing a diametrical expansion part 5 on the tip into the ground in a state of separably storing a cover member 10 in the diametrical expansion part 5, a second process of pulling back the casing pipe 2 from underground and separating the cover member 10 from the diametrical expansion part 5, a third process of inputting a crushed stone G into the casing pipe 2 from aboveground and a fourth process of push-hardening the crushed stone G in the ground by repeating intrusion and pull-back of the casing pipe 2.SELECTED DRAWING: Figure 2
【課題】ケーシングパイプの内部への土砂流入を防止すると共に、ケーシングパイプの先端を確実に開放できる砕石杭の施工方法を提供する。【解決手段】砕石杭の施工方法は、先端に拡径部５が設けられたケーシングパイプ２を、拡径部５内に蓋部材１０を離脱自在に収容した状態で地中に貫入する第一工程と、ケーシングパイプ２を地中から引き戻すと共に、蓋部材１０を拡径部５から離脱させる第二工程と、ケーシングパイプ２内に地上から砕石Ｇを投入する第三工程と、ケーシングパイプ２の貫入と引き戻しを繰り返して砕石Ｇを地中内で押し固める第四工程と、を備える。【選択図】図２
CONSTRUCTION METHOD CRUSHED STONE PILE, CONSTRUCTION JIG OF CRUSHED STONE PILE AND CONSTRUCTION SYSTEM OF CRUSHED STONE PILE
砕石杭の施工方法、砕石杭の施工用治具および砕石杭の施工システム
SAWAISHI MASAMICHI (author) / WADA MASATOSHI (author) / MARUYAMA SAKAE (author)
2017-06-08
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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