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Patent Searching and Data


Matches 401 - 450 out of 2,120

Document Document Title
JP2008280817
To provide a sampling device for a columnar soil improved body capable of performing accurate inspection by sampling improved soil from the columnar soil improved body over a wide area in the radial direction.This sampling device 1 compr...  
JP2008283235
To securely prove that ground survey data are securely measured in the survey place at the survey time.The method includes: a step I wherein a communication terminal 1 acquires positioning information from a GPS satellite 2; a step II wh...  
JP2008274644
To provide a screw point used for a Swedish sounding test.This invention has a body 2 having a square pyramidal tip part 3 having a cross-sectional shape of a rectangular shape and a rectangular solid-shaped base part 4 continuing with t...  
JP2008275535
To provide a striking penetration testing device for striking a rod to penetrate into the ground and inspecting the stratum structure and ground strength of the point.The striking penetration testing device 1 includes a hammer unit 90 fo...  
JP2008267061
To propose a device for testing penetration, provided with a reaction opposing mechanism.This penetration testing device comprises a frame 1, provided with a hydraulic cylinder 2 for penetrating a cone C into the ground by pressing the r...  
JP2008266903
To estimate the amount of rebound expected to occur during excavation of the ground with high accuracy, in advance.In this method for estimating amount of rebound, underground water is pumped from the soil in a deeper layer than a bottom...  
JP2008261166
To provide a geological survey device by which a penetration rod can be quickly and efficiently driven by a free fall of a weight, and reduction in size, weight and manufacturing cost of the geological survey device can be materialized b...  
JP2008248553
To smoothly and efficiently sample a core of good quality while surely discharging slime with a small quantity of excavation water when the core is sampled using a double tube sampler.An impregnated bit sintered by mixing a diamond powde...  
JP2008241604
To provide a sand sampling device capable of sampling easily sand of a deep part, even when it is a narrow location.This device is equipped with a cylindrical body 2 formed elongated in the vertical direction, and knocked into the sand; ...  
JP2008240494
To provide a cylindrical sampling device for a soil test, operable by manpower without using a special auxiliary tool, and capable of easily sampling even a block in the unconsolidated natural ground.By arranging a handle 2 for pushing i...  
JP2008231699
To provide a percussive penetration testing apparatus for investigating the strength of a ground by penetrating a rod into the ground by hammering.This percussive penetration testing apparatus comprises a rebound detection sensor 50 for ...  
JP2008229497
To provide a dehydrator for treating civil engineering and construction sludge capable of performing the dehydration treatment of civil engineering and construction sludge, which is discharged at the time of engineering works and buildin...  
JP2008223378
To provide a seabed cone penetration testing machine capable of simplifying its configuration and reducing its weight and its testing method for reducing cost and time required by a seabed cone penetration test conducted in a very deep a...  
JP2008223395
To provide a static load testing method for conducting a test by applying load in only one direction, testing changes of load in a pulling-up process, and grasping properties of the ground by a simple method to conduct research on an acc...  
JP2008214895
To provide a groundwater survey method capable of being executed simultaneously with soil improvement work of injecting an environment improving chemical agent into ground by means of a steel pipe.The steel pipe (2) is inserted into the ...  
JP2008214907
To provide an evaluation method for permeability, which can continuously measure the permeability after a Lugeon test, and which quantitatively evaluates the permeability on a job site in a short period of time.Water is pressed into an e...  
JP2008209196
To provide a soil contamination detecting pipe capable of accurately detecting the existence of oil that contaminates the soil, regardless of the path of infiltration into the soil.This soil contamination detecting pipe is obtained, by f...  
JP2008209192
To provide a core preserving device capable of selectively housing tub-like members different in trough diameter and capable of regularly and simply preserving and controlling a core, even if the number of sample collecting cores is incr...  
JP2008202311
To provide a method and a device for controlling pressure of an underground injection liquid, without changing water quality and agitating.The underground injection liquid J is filled in a sealed tank 1 connected with an injection pipe 3...  
JP2008196166
To provide a ground strength indicating method for facilitating an analysis of a result of survey, particularly of soil texture, after conducting the survey of ground strength by a penetration testing machine, and to provide an apparatus...  
JP2008180655
To provide a penetration tester for investigating ground strength.The penetration tester includes a penetration rod 7 to be penetrated in the ground, a main control section constituted so as to detect the penetration state of the penetra...  
JP2008180060
To provide a ground penetrating machine and a sounding testing machine which can receive information obtained in the ground with favorable sensitivity in accordance with a purpose on the ground.For example, a water detection sensor 12 an...  
JP2008174958
To provide a flat-plate loading test device which efficiently performs a flat-plate loading test and is advantageous for the acquirement of an accurate test result with no variation, and a flat-plate loading test method.The flat-plate lo...  
JP2008175011
To solve the problem wherein a conventionally using numerical analysis method does not become a quantitatively highly accurate numerical analysis method, without imparting analytical display of a closed form of incorporating influence of...  
JP2008169622
To provide a pumping test method and a pumping test device capable of performing a pumping test at relatively inexpensive test cost, and highly accurately determining a hydraulic constant.An upper part closed-shaped casing pipe 1 is inse...  
JP2008144499
To shorten testing time and drop a weight safely.A dropping device is used when the bearing capacity of a pile 12 buried in the ground 10 is determined. A lifting/dropping control section 24 comprises a hanging rod 26 to which the weight...  
JP2008145324
To provide a method for accurately measuring static earth pressure and active earth pressure in an original position ground used in design of an underground building frame external wall of a newly constructed structure or an earth retain...  
JP2008138514
To provide a method and apparatus for researching the ground capable of precisely and stably researching on the characteristics of the ground in a simple manner.According to the method and apparatus for researching the ground, a Rayleigh...  
JP2008139140
To provide a simple dynamic cone penetration testing machine advantageous from a view to eliminate an irregularity in measuring result while reducing the load of a worker.The simple dynamic cone penetration testing machine 10 is constitu...  
JP2008129849
To discriminate a ground collapse from a ground crack, when monitoring the state of the ground erosion.A monitoring device 1, having a plurality of openings 4 with a predetermined space therebetween in a cylindrical stainless outer case ...  
JP2008127832
To provide an in-situ permeability testing device which can measure in-situ coefficients of permeability of a rolled ground stratum quickly, easily, and at multiple points, and can control water permeability necessary for earth materials...  
JP2008127892
To provide a construction method of an underground structure reducing the amount of cement milk mixed in the ground, to a required minimum.At least part of soil cement 13 constituting the underground structure 10 is constructed by (A) dr...  
JP2008127901
To provide a method of constructing an underground structure, in which the amount of cement milk mixed into the ground can be reduced to a necessary minimum amount, in order to construct the same at a low cost.The method of constructing ...  
JP2008121185
To provide equipment and a method for computing a safety factor of a surface failure of a slope, which enable a groundwater level of a surface layer to be obtained with accuracy, and which make the accuracy of the safety factor high.The ...  
JP2008115685
To enable accurate determination of a boundary layer between a permeable layer and an impermeable layer where a landslide is apt to take place.When a screw point 21 thrusted into the ground at a right angle starts penetrating, and when t...  
JP2008115617
To provide a quality confirmation method for improved ground and quality confirmation instrument, accurately and simply confirming the mixture condition of soil and solidifying material in a construction site of a surface layer ground im...  
JP2008111286
To provide a partial hitting adjusting device capable of preventing damage to a pile body, by preventing generation of excessive compressive strain in one side surface part of the pile body by partial hitting of a pile head.This pile hea...  
JP2008107252
To simply determine whether or not an uneven stratification structure is owing to consolidation settlement.This geologic structure evaluation method 1 comprises: a step S1 for calculating a boundary-face elevation difference hB and a str...  
JP2008101415
To provide a collecting device for an unsolidified specimen capable of collecting the unsolidified specimen from an unsolidified specimen layer simultaneously at a plurality of collecting positions in the depth direction.A first connecti...  
JP2008096148
To provide a loading device for a pile used to measure a load acting on the pile even where the pile is stricken at its inner part.This loading device 2 for a pile is used to strike a steel pipe pile 1 by its free fall. This device 2 inc...  
JP2008095502
To provide a pile hole drilling method and a foundation pile constructing method which use a proper amount of a drilling liquid, cement milk, etc., under automatic control in correspondence to the strength of the nature of soil to enable...  
JP2008088662
To provide a percussive penetration testing apparatus which eases an impact thereof at the time of raising a hammer, and prevents component parts from being worn out.The percussive penetration testing device is formed of: the hammer 44 o...  
JP2008088640
To solve the problem that the natural ground can be hardly reproduced due to a change in properties of the ground, because material particles are crushed on the ground since a mechanical force greatly acts among the ground material parti...  
JP2008069860
To provide a channel change-over valve controlling water flow of a plurality of systems by delivery/drain of water and not having an on/off trouble due to interruption of electricity supply or the like and a problem on explosion preventi...  
JP2008069535
To shorten the test time and to obtain data with high reliability.This testing device for measuring the bearing power of a pile 12 buried in the ground 10 uses a measuring device 16 for measuring loading load applied to a pile head part ...  
JP2008058045
To provide a sample collection device for soil pollution investigation, which investigates accurately soil pollution, and also to provide a soil pollution investigation device using it.Water is sucked through a water suction pipe dispose...  
JP2008051502
To provide a measuring method and an apparatus capable of electrical logging through the use of holes bored by testing equipment for ground survey such as a Swedish type sounding testing equipment capable of easily boring small-diameter ...  
JP2008052143
To provide compact, portable, and maintenance-free liquefaction experimental equipment capable of reproducing a liquefaction phenomenon in a state closer to reality, capable of giving a viewer the right image before and after liquefactio...  
JP2008039721
To provide a fixed azimuth sampling method for sampling soil in a stratum in order to measure the azimuth of the stratum having some depth.A boring hole 2 is excavated in the ground, and a sampling tube 6 is provided with a mark thereon ...  
JP2008025217
To provide an underground monitoring method for monitoring an underground space by using a boring hole, in which the method facilitates recovery and reset of measuring instruments set in the boring hole, prevents inflow of water into the...  

Matches 401 - 450 out of 2,120