Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 4,087

Document Document Title
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...  
JP2014182100A
To provide an elastic wave speed measuring device for half-split cores capable of easily measuring an elastic wave speed of a specimen on the spot.The elastic wave speed measurement device for half-split cores 300 comprises: an oscillati...  
JP2014181523A
To provide a design method for ground reinforcement depth giving consideration to liquefaction, which enables depth, requiring ground reinforcement, to be determined with a certain degree of accuracy by a simple test.Basically, an FL met...  
JP2014173398A
To provide a soil sampling device having large rigidity, and to prevent the soil sampling device from being deformed or from reducing in durability due to impact even when striking the soil sampling device to insert it into an investigat...  
JP2014173303A
To provide a core sampling device capable of sampling a core of good quality while preventing the core from being disturbed when the core is sampled.In a core sampling device which samples a core inside of a core tube, the core tube is c...  
JP2014169533A
To provide: a soil sampling tube preventing boiling to be generated when a core tube is pulled out after boring, in a method for performing boring and soil sampling by pushing a cylindrical casing into a subgrade by its vibration and its...  
JP2014163180A
To provide a soil sampling auxiliary tool and a soil sampling method, capable of easily recovering a soil sampling can, without risk of spilling soil from the soil sampling can, when recovering the soil sampling can, when sampling hard s...  
JP5582627B2  
JP2014156706A
To enhance rigidity strength of a core tube of a sampler, by also accurately determining a soil quality (determining liquefaction risk), by efficiently sampling only soil of the desired depth in the ground, by using a hole dug by subsoil...  
JP2014157091A
To accurately evaluateC that derives from a natural organic substance to measure the age of groundwater.A solution 7 containing an artificial organic substance and a natural organic substance is obtained by dissolving powder, such as hum...  
JP5580103B2  
JP5565751B2  
JP2014134065A
To provide a soil determination method for allowing easy soil determination from a testing parameter acquired in penetration test.In penetration test for, when rotating a penetration rod 1 having a penetration body at the front end to pe...  
JP2014134066A
To provide a method for estimating a fine-grained fraction content and N value from measurement values in rotating penetration test.In penetration test for, when rotating a penetration rod 1 having a screw point 3 at the front end to pen...  
JP2014134067A
To provide a method for estimating uniaxial compressive strength of soil from a measurement value in rotating penetration test.In penetration test for, when rotating a penetration rod having a screw point 3 at the front end to penetrate ...  
JP2014134064A
To provide a soil determination method for eliminating the influence of the shape of a penetration body on soil determination.In penetration test for, when rotating a penetration rod 1 having the penetration body at the front end to pene...  
JP5559660B2  
JP5554294B2  
JP5560380B1  
JP5541533B2  
JP5544443B2  
JP2014122464A
To provide a subsurface exploration method and apparatus enabling a dynamic strength (penetration resistance value) of a subsurface in a testing depth and physical properties such as soil property discrimination for each depth to be easi...  
JP2014114683A
To provide a soil improvement method in which soil improvement by injection of a bubble-containing liquid is achieved economically and easily by comprehending an unsaturation state of the soil in real time.Soil is made unsaturated by inj...  
JP2014114645A
To provide a soil improvement method in which soil improvement by injection of a bubble-containing liquid is achieved economically and easily by comprehending an unsaturation state of the soil in real time.A partition wall 18 is provided...  
JP2014114686A
To provide a soil improvement method in which soil improvement by injection of a bubble-containing liquid is achieved economically and easily by comprehending an unsaturation state of the soil in real time.Soil is made unsaturated by inj...  
JP2014111879A
To provide a method for estimating compression strength of soil cement which can promptly estimate the post-consolidation compression strength of soil cement after taking an unconsolidated sample thereof.A method for estimating compressi...  
JP5524526B2  
JP5526290B1  
JP5520643B2  
JP2014106128A
To perform elastic wave measuring work easily at a low cost with the use of a general-purpose machine to be used for general civil engineering work and simple measuring instruments, without requiring a shot or a blasting machine for elas...  
JP2014105495A
To provide a machine to investigate weathering depth of a slope which is a simplified machine with reduced size and weight for easy installation and can easily take a core without using scaffolding on a steep slope.In a machine to invest...  
JP5513086B2  
JP5513165B2  
JP5513164B2  
JP5513048B2  
JP2014098238A
To provide a subgrade exploration device capable of exploring a cavity or the like present in the subgrade.A subgrade exploration device X1 includes: an excavation shaft 1 for excavating a subgrade G; earth pressure detection means 2 hav...  
JP5506995B2  
JP2014095645A
To provide a pull-out testing device capable of grasping a basic strength even at a site in which a heavy machine cannot be employed and yet capable of accurately measuring the basic strength.A pull-out testing machine 1 for measuring a ...  
JP5499069B2  
JP2014091904A
To provide a penetration rod with a radio communication function that can receive an underground measurement signal with excellent sensitivity.There is provided a penetration rod with a radio communication function constituted such that ...  
JP5490456B2  
JP2014084649A
To acquire a ground characteristic highly correlated with a traction performance as a vehicle traveling performance.A ground characteristic acquisition method includes: a measurement step of measuring a resistance force acting on a frict...  
JP5487265B2  
JP5484165B2  
JP2014077231A
To provide an underground soil sampler with which, even when soil deeper than an underground water level is sampled, the soil is not leaked and sampling efficiency is improved and which can be smoothly pulled out onto the ground, and an ...  
JP2014074265A
To provide a soil sampling device capable of sufficiently sampling the required quantity of soil when sampling sandy soil in a water-retaining condition in the depth equal to or below a groundwater level when effectively utilizing simpli...  

Matches 151 - 200 out of 4,087