A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND IMPROVEMENT DEVICE AND GROUND IMPROVEMENT METHOD
PROBLEM TO BE SOLVED: To provide a ground improvement device and a ground improvement method capable of efficiently executing work, by restraining influence of a negative pressure loss caused by consolidation settlement.SOLUTION: This device 2 comprises a plurality of drain materials 3, 3, etc. buried in the ground 1 and a catchment pipe 4 communicating the respective drain materials, and the catchment pipe 4 comprises a pipe body 10 communicating/connecting the respective drain materials 3, 3, etc., a nozzle 12 turning an injection port to a drain side end part 11 of the pipe body 10 and a driving fluid supply inner pipe 13 inserted into the pipe body 10 in a state of being communicated with/connected to the nozzle, and a driving fluid is supplied to the nozzle 12 via the driving fluid supply inner pipe 13 from driving fluid supply means.SELECTED DRAWING: Figure 2
【課題】圧密沈下等に伴う負圧損失の影響を抑え、効率良く作業を行うことができる地盤改良装置及び地盤改良工法の提供。【解決手段】この装置２は、地盤１中に埋設された複数のドレーン材３，３...と、各ドレーン材が連通されている集水管４とを備え、集水管４は、各ドレーン材３，３...が連通接続された管本体１０と、管本体１０の排水側端部１１に噴射口を向けたノズル１２と、ノズルと連通接続された状態で管本体１０内に挿通された駆動流体供給用内管１３とを備え、駆動流体供給手段より駆動流体供給用内管１３を通してノズル１２に駆動流体が供給されるようにしている。【選択図】図２
GROUND IMPROVEMENT DEVICE AND GROUND IMPROVEMENT METHOD
PROBLEM TO BE SOLVED: To provide a ground improvement device and a ground improvement method capable of efficiently executing work, by restraining influence of a negative pressure loss caused by consolidation settlement.SOLUTION: This device 2 comprises a plurality of drain materials 3, 3, etc. buried in the ground 1 and a catchment pipe 4 communicating the respective drain materials, and the catchment pipe 4 comprises a pipe body 10 communicating/connecting the respective drain materials 3, 3, etc., a nozzle 12 turning an injection port to a drain side end part 11 of the pipe body 10 and a driving fluid supply inner pipe 13 inserted into the pipe body 10 in a state of being communicated with/connected to the nozzle, and a driving fluid is supplied to the nozzle 12 via the driving fluid supply inner pipe 13 from driving fluid supply means.SELECTED DRAWING: Figure 2
【課題】圧密沈下等に伴う負圧損失の影響を抑え、効率良く作業を行うことができる地盤改良装置及び地盤改良工法の提供。【解決手段】この装置２は、地盤１中に埋設された複数のドレーン材３，３...と、各ドレーン材が連通されている集水管４とを備え、集水管４は、各ドレーン材３，３...が連通接続された管本体１０と、管本体１０の排水側端部１１に噴射口を向けたノズル１２と、ノズルと連通接続された状態で管本体１０内に挿通された駆動流体供給用内管１３とを備え、駆動流体供給手段より駆動流体供給用内管１３を通してノズル１２に駆動流体が供給されるようにしている。【選択図】図２
GROUND IMPROVEMENT DEVICE AND GROUND IMPROVEMENT METHOD
地盤改良装置及び地盤改良工法
KUMAGAI TAKAHIRO (author) / YONETANI HIROSHI (author)
2017-06-22
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
GROUND IMPROVEMENT DEVICE, GROUND IMPROVEMENT SYSTEM, AND GROUND IMPROVEMENT METHOD
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