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Patent Searching and Data


Matches 151 - 200 out of 4,223

Document Document Title
WO/1994/024538A1
Methods and apparatus for determining whether soil is satisfactorily compacted. An operator delivers impact energy to the soil, and the amount of impact energy transmitted through the soil is repeatedly sensed and stored. A modelling for...  
WO/1994/003682A1
In order to determine the consistency or nature of soil or sub-soil, or to be able to classify the soil or sub-soil, the permeability of the soil or sub-soil layers under examination is measured. This is done by measuring, as the key par...  
WO/1993/013399A1
An apparatus for use in gaging and indicating the magnitude of torque between a pair or rotatable members (14, 16) includes an elongated body (32) that is connected between the members (14, 16) so that torque transmitted between the memb...  
WO/1993/007462A1
The invention relates to an apparatus, suitable for deployment from small vessels, for obtaining samples of materials from the sea bottom and, more specifically, to a multi-bucket sampler particularly suited for, but not restricted to, g...  
WO/1993/004385A1
A method and apparatus for deciding deductively a bed structure from a dispersion curve of a Rayleigh wave. A vibration generator and first and second vibration receivers are disposed at predetermined intervals on the ground surface of a...  
WO/1992/018701A1
The disclosure relates to an underwater excavation apparatus comprising a tube (10) in which a propeller (18) is mounted for rotation. The tips of the propeller blades are formed with jets (30) supplied from a high pressure water supply ...  
WO/1992/010753A1
The dynamic pyrotechnical penetrometer determines soil characteristics by using the pressure created by a pyrotechnical gas generator to drive a probe rod (1) into the ground, with continuous detection and measurement of penetration. A s...  
WO/1992/001839A1
The punch comprises a shaft (1) whose lower end (3) is provided with a screw blade (4). Its upper end (22) is connected with a drive (24) for rotation of the shaft about its longitudinal axis and with a mechanism for loading the shaft (1...  
WO/1991/014832A1
Device for driving rods used primarily for soil mechanics tests into the ground which comprises a one-piece tubular rod (42) made of a compression and traction resistant material which can be bent by reversible elastic deformation, a win...  
WO/1991/000951A1
A test method for boring to determine the mechanical characteristics of the ground at various pre-determined levels, characterised by the fact that it includes the following stages: measuring under no-load conditions the deformation forc...  
WO/1990/015324A1
The aim of this invention is to provide methods and devices for in-situ measure of ground heave characteristics. The sensor or device of the invention comprises at least two independently inflatable elements, one of which (111) allows fo...  
WO/1990/011411A1
The method provides for introducing, by means of screwing-in, into the ground (2) a barrel (3) with a screw-shaped blade (4) on its end. At a depth (L3) of the ground (2, 9) which is smaller than the depth (L1) of location of the layer (...  
WO/1989/007176A1
An apparatus for carrying out impact tests on the ground comprises a weight (15, 16, 17) mounted to a pivoted arm (12) and arranged to swing under gravity about the pivot point (14) of the arm and impact with the ground substantially per...  
WO/1988/006739A1
Process for establishing the cohesion curve of an ocean floor at great depth, characterized in that it consists in releasing from the surface a missile (1) of optimal shape for reaching the bottom at a speed sufficient to penetrate the f...  
WO/1987/004743A1
An underwater excavator in which when energised by a supply of hydraulic oil or other means a propeller (3) is set in motion with water being drawn in through the cylindrical tube (5) and expelled at the water outlet (6) thereby creating...  
WO/1986/006830A1
A borehole stress-meter includes a resiliently radially expandable hollow body (10) within which can be positioned a gage plug (8) having strain gages fixed thereto. The interior section of the hollow body is tapered, as is the gage plug...  
WO/1982/001905A1
Procedure and device for measuring the degree of compaction attained when compacting a foundation by means of a vibrating compaction tool. The movement of that part of the compaction tool which rests on the foundation is sensed and analy...  
WO/1980/002174A1
A pipe clamp suitable for transmitting a tensile force as well as a compression force to a pipe comprises a house (18) having a cylindrical inner wall, an opening (19) for passing a pipe to be clamped, two guide blocks (21, 22) having a ...  
WO/1979/001099A1
A device for measuring pore water pressure in soils employs a pore pressure sound (2) as a sensing member and a closed measuring system (5, 6) for creating the least possible disturbance in soils having a low degree of permeability, such...  
JP2016108829A
【課題】固結改良体の造成中に固結改良体の 品質を確認できるようにし、品質の不良箇所 を確認したとき、再度混合攪拌して、所定の 固結改良体を造成できる地盤改良方法を...  
JP5933225B2  
JP5932178B1
【課題】地盤に杭孔を形成し、直ちに杭先端 の支持力が充分であるか否かを確実に判定し 得る杭孔掘削装置を提供する。【解決手段】 回転掘削を行う下端ロッド部材5Aの中...  
JP2016102392A
【課題】良好な設置作業性を確保し、操作性 や耐震性に優れた大型土木建築構造物底版下 の地盤沈下検測装置付グラウト注入管を提供 する。【解決手段】上下端に逆止弁装置...  
JP2016102390A
【課題】良好な設置作業性を確保し、操作性 や耐震性に優れた大型土木建築構造物底版下 の地盤沈下検測装置付グラウト注入管を提供 する。【解決手段】上下端に逆止弁装置...  
JP2016098554A
【課題】廃棄物最終処分場跡地に基礎杭を打 設する場合に基礎杭と不透水層との境界部を 通じた透水等を評価可能な地下水の観測方法 及びそれに使用する観測用管体の提供。...  
JP2016094767A
【課題】 本発明は主として液状化検討地盤を対象とし 、地中から固・液・気の三相を原地盤に近い 状態で試料として採取できる地盤試料採取装 置および地盤試料採取方法を...  
JP2016085048A
【課題】 本発明は地盤中の接地抵抗の変化を測定する ことにより、地下水の水位を解析する地下水 の水位調査方法を得るにある。【解決手段】 棒状の接地電極を接地抵抗計...  
JP5918435B1
【課題】地盤に穿設した杭孔内に場所打ち杭 や既製杭を建て込む際、杭孔の杭先端支持力 が充分であるか否かを杭建て込み前に極めて 簡易に確実に判定可能とし、支持強度不...  
JP5920739B1
【課題】 本発明は主として液状化検討地盤を対象とし 、地中から固・液・気の三相を原地盤に近い 状態で試料として採取できる地盤試料採取装 置および地盤試料採取方法を...  
JP2016079705A
【課題】断線等の懸念がなく、経済的にも優 れた地盤改良中のモニタリングや改良後の調 査を行うための計測機器を提供する。【解決 手段】セメント系固化材が添加混合され...  
JP2016080618A
【課題】土壌中の含水比を簡便に測定できる ようにする。【解決手段】ショ糖水溶液の比 重と土壌の含水比との関係の検量線を作成し ておき、採取した土壌の重量を測定した...  
JP2016079599A
【課題】設置スペースが小さくて済み、試験 のための装置のセッティング時間を短縮する ことができる平板載荷試験法に好適に使用さ れる削孔崩落防止パイプを提供する。【...  
JP2016075621A
【課題】キャッチャーを利用してドライブハ ンマーを落下させるタイプの装置では、カッ プリングをガイドロッドにネジ螺合により取 り付けているが、緩みが生じ易い。この...  
JP2016061032A
【課題】 回転軸に対して半径方向に異なる複数の位置 にある試料を一度に採取できる試料採取装置 を提供する。【解決手段】 本装置は、未硬化の改良体に挿入されて回転 す...  
JP2016057112A
【課題】 地盤を含む系に対する振動応答をより正確に 評価する。【解決手段】 振動応答評価システム10は、地盤を含む系 に入力される振動の大きさに応じた値となる 当該...  
JP2016050389A
【課題】有限要素解析プログラムを用いて、 VGモデルによって不飽和領域の地盤の浸透 特性を解析する際に、不飽和透水係数や飽和 度を算定するための飽和透水係数k0と...  
JP2016050388A
【課題】簡易な構成によって、不飽和領域の 地盤の所定の深さまでよりスムーズに水を浸 透させて、不飽和領域の地盤の浸透特性を把 握するためのデータを、効率良く得るこ...  
JP5896325B2  
JP2016035146A
To provide an underground operation device of a relatively simple structure, capable of, for example, investigating immediately under a structure and establishing a solidified body for ground improvement based on the investigation result...  
JP5882159B2  
JP2016030968A
To allow a user to select loading means.A Swedish-type sounding penetration test device may carry any number (0 to N) of weights W, and includes a loading platform 4 that ascends/descends along a support 3, a hydraulic cylinder mechanism...  
JP5860258B2  
JP5863040B2  
JP2016024012A
To provide a disk permeameter and a water permeability coefficient automatic measurement method, capable of easily measuring a water permeability coefficient with high accuracy.A disk permeameter related to one point of view cases includ...  
JP2016011489A
To provide a soil investigation method that enables liquefiability of soil to be inexpensively and simply identified even on an especially small-scale building site, and a soil investigation apparatus for use in the same.A static penetra...  
JP5843594B2  
JP2016000899A
To prevent a construction period from being extended by predicting whether or not strength in a management period satisfies a management threshold.A construction body strength management method, comprises: a preparation process S10 to pr...  
JP5839273B2  
JP5839903B2  
JP2015232221A
To provide a ground survey method and a ground survey device in which the propagation efficiency of an impact energy due to the frictional force between an outer circumferential surface of a rod and the ground can be evaluated easily and...  

Matches 151 - 200 out of 4,223