Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 4,239

Document Document Title
WO/1995/018270A1
A pile driving rig (1) adapted for hammering piles (49) into the ground comprises: a rail post (3), a hammer means (10) guided by said rail post, said hammer means comprising drop load guide means, and a drop load (11) adapted for hammer...  
WO/1995/018289A1
Proposed is a drilling method in which comtaminants present in the soil are not forced down to greater depths during drilling operations. This is achieved by virture of the fact that a double-wall casing is inserted into the soil in fron...  
WO/1995/004870A1
An automatic soil sampler (10) removes soil samples (65) at known locations and transfers the samples to a packaging station (23) where the samples are packaged and identified. The packages (87) are left in a strip and moved to a contain...  
WO/1995/004450A1
An automatic soil sampler (10) removes soil samples (65) at known locations and transfers the samples to a packaging station (23) where the samples are packaged and identified. The packages (87) are left in a strip and moved to an analys...  
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...  
JP2016161463A
【課題】性状のばらつきが小さい複数の供試 体を必要とすることなく、高精度な液状化強 度曲線を得る。【解決手段】液状化試験装置 12は、1個の供試体に対し、応力比Riが...  
JP2016156209A
【課題】電気式静的コーン貫入試験(CPT)の測 結果から対象地盤の液状化の判定の必要性 判定する地盤の液状化判定方法を提供する 【解決手段】対象地盤に対して電気式...  
JP5972494B1
【課題】地盤に杭孔を形成後、直ちに孔底地 盤の支持力を判定し、支持強度不足による杭 建て込み施工のやり直しの手間を省くことを 可能にする手段を提供する。【解決手段...  
JP5967648B2  
JP2016142684A
【課題】地下工事中において、沈下棒を用い て、常に崩落事故が発生する危険性のある状 況を検知し、大事故につながる可能性のある 崩落事故を未然に回避するたとを可能に...  
JP2016138432A
【課題】貫入プローブによって精度良く水底 地盤内への貫入深度を測定できる計測装置を 提供する。【解決手段】水底地盤貫入深度計 測装置20は、水底地盤へ貫入する貫入...  
JP5957113B2  
JP5953560B1
[要約][課題]液状化の可能性の高い地盤を高 信頼性のもとに経済的に判定することがで る方法と装置を提供する。[解決手段]標準貫 入試験と、地盤にサンプラーを貫入でき...  
JP2016125962A
[Subject] An instrumentation method of the three-dimensional freeze expansion characteristic of Sanjikuko top test equipment which can measure a variation per hour of Frozen top pressure of the freeze direction in a freeze process and th...  
JP2016125315A
[Subject] Over performing a measure against liquefaction by unsaturation of the foundation, liquefaction strength is maintained at a long period of time. [Means for Solution] In order to reduce a process of extracting a sample of the fou...  
JP5945231B2  
JP5943281B2  
JP5943382B2  
JP5944730B2  
JP5941572B2  
JP5936285B2  
JP5939483B2  
JP5937924B2  
JP2016108829A
[Subject] When it enables it to check quality of a joint improvement object during development of a joint improvement object and a faulty point of quality is checked, mixed churning is carried out again and a ground improvement method wh...  
JP5933225B2  
JP5932178B1
[Subject] A pile hole is formed in the foundation and a pile hole drilling device which can judge certainly immediately whether bearing power at the tip of a stake is enough is provided. [Means for Solution] In hollow rod 50 of lower end...  
JP2016102392A
[Subject] Good installation operation nature is secured and the Grout filling pipe with a land subsidence measurement-for-checking device of a large-sized civil-engineering-and-construction structure bottom block copy excellent in operat...  
JP2016102390A
[Subject] Good installation operation nature is secured and the Grout filling pipe with a land subsidence measurement-for-checking device of a large-sized civil-engineering-and-construction structure bottom block copy excellent in operat...  
JP2016098554A
[Subject] Offer of a shell for observation used for an observation method of groundwater and it which can evaluate water penetration etc. which led a boundary part of a foundation pile and impermeable formation when a foundation pile was...  
JP2016094767A
To provide a ground sampling device and a ground sampling method capable of sampling three phases of solid, liquid and gas phases from underground in almost natural state mainly at a ground examined for liquefaction.A ground sampling dev...  
JP2016085048A
[Subject] The present invention is by measuring change of ground resistance in the foundation to acquire a water level examination method of groundwater which analyzes a water level of groundwater. [Means for Solution] A connection proce...  
JP5918435B1
[Subject] When building a cast-in-place pile and ready-made stakes in a pile hole drilled in the foundation, a judgment of whether stake tip bearing power of a pile hole is enough is certainly enabled very simply before a stake-denominat...  

Matches 151 - 200 out of 4,239