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.)
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Shimizu Construction Co Ltd
Original Assignee
Shimizu Construction Co Ltd
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Filing date
Publication date
Application filed by Shimizu Construction Co LtdfiledCriticalShimizu Construction Co Ltd
Priority to JP14729079ApriorityCriticalpatent/JPS5670318A/en
Publication of JPS5670318ApublicationCriticalpatent/JPS5670318A/en
Publication of JPS6138316B2publicationCriticalpatent/JPS6138316B2/ja
Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage
(AREA)
Abstract
PURPOSE: To accomplish a easy core sampling with a simple construction by inserting a support frame with a void in a sampling apparatus for poor subsoil.
CONSTITUTION: When this apparatus is forced into the subsoil, a conical section 12 of a hardware 11 is eaten into soil. The soil is expanded so horizontally as to gather to the center along a guide slope 13 filling the void 7. A wetted sampling pipe 31 is inserted into the void of the support frame 1 until it gets into contact with the lower hardware 11. The support frame 1 and the sampling pipe are widrawn simultaneously. After a pin 25 is removed from a hinge, a mobile plate 23 on a lock fitting 21 to take out the sampling pipe 31.
COPYRIGHT: (C)1981,JPO&Japio
JP14729079A1979-11-141979-11-14Sampling apparatus for poor subsoil
GrantedJPS5670318A
(en)