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JP2001140265 |
To block a water spouting spot by lowering the ground-water level when high-pressure water spouts in an underground excavation surrounded by sheet piles due to the wall surface of a sheet pile or boiling. When high-pressure water spouts ...
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JP2001140235 |
To provide a light impervious device capable of facilitating the conveyance/storage, easily and quickly carrying out the construction of an impervious wall and automatically increasing weight with water to become the impervious wall. A s...
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JP2001131987 |
To provide a connection structure of a sheet to be buried capable of smoothly and securely inserting a newly buried sheet without being prohibited by soil or the like invading into a connection female part while holding a connected condi...
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JP2001115458 |
To reasonably construct a deep well together with an earth retaining wall by driving a well construction pipe as a part of an earth retaining wall forming pile while constructing the earth retaining wall, and achieving the excavation of ...
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JP2001115457 |
To provide a method for automatically adjusting the water level of the inside and outside of a cofferdam so as not to generate the head between the inside and the outside of the cofferdam. In a closing method in rivers and seas, a pipe b...
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JP3178319 |
To build a reliable water barrier layer economically. For example, a propulsion machine having at least two units of propulsion apparatuses connected by a grooving steel plate is advanced under the ground from a starting base A which is ...
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JP2001090087 |
To surely prevent co-lifting of a buried sheet without providing heavy equipment at a penetration frame, and further to improve the safety of construction and working environment. A lower end of a buried sheet 16 is engaged with a lower ...
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JP2001073357 |
To provide a coffering structure capable of conducting sufficient cutoff even when sheet piles are arrayed in a row or even when the sheet piles are deflected by water pressure or the like, while being capable of construction in a short ...
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JP3168197 |
To provide an anchor structure of a caisson and a construction method capable of promoting the stability of the caisson as a footing of a structure or reducing a sectional area of the caisson by the promotion to construct the economicall...
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JP3163367 |
PURPOSE: To drill a hole and install a drainage pipe in the hole in less numbers of process without flowing out of sand by treating only water and prevent sand after the installation by using the drainage pipe as a screen pipe and take i...
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JP2001032269 |
To provide a waste enclosing structure and its execution method which enables the simple and sure sealing of waste off only by an underground continuous wall regardless of whether a waste disposal area is newly established one or an exis...
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JP3153407 |
PURPOSE: To enhance the efficiency of executing works of constructing a water- cut screen, ensure a high safety, suppress the costs, and perform works with high accuracy by providing possibility of continuous excavation of trench and con...
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JP2001018320 |
To provide a waterproof sheet having a cushioning layer which can be fitted easily to a wall and is capable of a lap joint of high reliability in a joint part as a method for jointing the sheets together.A sheet-shaped base material 1, a...
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JP2001020291 |
To provide a draining method which does not cause a factor responsible for degradation of working efficiency.The draining method is employed when underground walls 12 are constructed so as to be opposite to each other under the ground 10...
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JP2001011867 |
To provide an anchor structure of a caisson and a construction method capable of promoting the stability of the caisson as a footing of a structure or reducing a sectional area of the caisson by the promotion to construct the economicall...
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JP2001004619 |
To provide a simple estimation method for a bentonite mixing ratio capable of accurately estimating the bentonite mixing ratio in bentonite-mixed earth regardless of properties and particle size of the bentonite-mixed earth.This estimati...
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JP2001002956 |
To provide a water-impervious material that has excellent water barrier properties, good plasticity and is easy to be constructed.One hundred parts by weight (pts.wt.) of a water-impervious material including coal ash and bentonite are m...
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JP3144289 |
To economically create a water permeable bed having reliability. In the bottom part water barrier structure provided to the bottom part of the ground so as to cover the ground containing a polluted region from below, a plurality of injec...
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JP2000319872 |
To provide an underground intercepting-plate construction method in which high impervious performance is maintained stably even when there is the defective filling of a sealing material or even when external force such as vibrations is a...
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JP2000314136 |
To provide both a cut-off wall-installing well constituted to be adhered to in-situ rocks of a water permeable layer appropriately to secure desired ground water treatment and a ground water treating mechanism for cut-off walls to abolis...
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JP2000309925 |
To provide a cofferdam method facilitating execution, at the same time, having high cut-off reliability as well as good stability. A cofferdam method is so constituted that a precast concrete member 3 constituting a part of the permanent...
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JP2000265474 |
To provide a temporary cofferdam constructing method for a construction facilitating the installation and removal of a cofferdam plate. This constructing method is to fix and install a construction 2 on a water bottom 1, a coffering stee...
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JP2000248556 |
To provide a temporary shutoff construction method and a temporary shutoff structure which can reduce both construction cost and a construction period by simplifying installation and removal. In this temporary shutoff construction method...
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JP3098457 |
To arbitrarily provide a continuous underground wall with various functions such as a high water-shutting function, water permeable function, and acid resisting/alkali resisting function, in consideration of the purpose and use of the co...
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JP3098458 |
To construct a continuous underground wall using precast concrete slabs, which is equipped with a high water shutoff function, water permeating function, acid-proof and alkali-proof functions, etc., as applicable in accordance with the r...
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JP2000192439 |
To instantaneously close a hole to prevent a water way even when the incursion of foreign matters from an upper side or a lower side of a gutter sheet as an impervious sheet laid on specially a refuse filled ground or the like to make th...
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JP2000192446 |
To improve strength, rigidity, water-sealing properties or the like by a simple constitution by ensuring the joint-fitting interrupting slit section of a succeeding steel sheet pile in the flange section of a steel sheet pile configuring...
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JP2000192469 |
To sufficiently resist earth pressure without particularly increasing the sections of coffering materials even when a ground surface on the front side is deepened and earth pressure from filled sand charged among the coffering materials ...
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JP2000178983 |
To provide a foundation construction method which constructs a foundation on a soft ground by a caisson method which can easily set the foundation at a predetermined location without subsidence of a caisson.There is provided a foundation...
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JP2000144677 |
To provide a temporary cofferdam construction method capable of temporarily coffering the broken position of a river levee in an emergency by a simple construction method. This construction method temporarily coffers the broken position ...
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JP2000144721 |
To improve reliability on cutoff performance remarkably by driving steel sheet piles into an improved wall constructed by a soil-improvement method and composed of improved-column rows, in which improved columns are built in a series, in...
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JP2000136529 |
To objectively verify whether impervious sheets are normally engaged with each other and provide a work execution control method simple in verification principle and measuring structure. In this method, impervious sheets 1A and 1B have a...
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JP2000130065 |
To maintain a decrease in groundwater level as low as possible in the ground, shorten the period of construction work, and reduce construction costs by shortening the setting depth of a retaining wall and reducing the setting depth ratio...
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JP2000130066 |
To maintain a decrease in groundwater level as low as possible in the ground, shorten the period of construction work, and reduce construction costs by shortening the setting depth of a retaining wall and reducing the setting depth ratio...
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JP2000107745 |
To produce a confining barrier preventing the movement of a pollutant in the ground and usable in the removal of the pollutant from ground water.A fluid impermeable confining barrier is produced by a process forming a large fracture by t...
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JP3051716 |
To execute a subsurface construction such as a water storage tank safely and surely in a short time by interrupting groundwater, and to reduce construction cost. An impervious wall 5 is built so as to completely surround a section to be ...
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JP2000087361 |
To provide a construction method of an underground structure capable of controlling the gush of ground water while maintaining the inside of an excavation working chamber in the same atmospheric pressure as that on the ground and control...
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JP2000087385 |
To provide a cut-off wall partition device with a valve for arranging the cut-off wall partition device with the valve on a cut-off wall, forming a pumping well to perform the underground water treatment of an excavation ground during ex...
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JP2000080895 |
To provide a water-impervious sheet having a high water-impervious effect to resist leakage and seepage from bedrock layers, stratum layers, the wall surfaces, etc. of buildings, houses, tanks, water reservoirs, and other structures; hav...
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JP2000064298 |
To prevent a backfill from flowing out by joint-sealing caissons adja cent to each other without degrading the strength of the caissons in an impervi ous device of a caisson structure to joint-seal the adjacent caissons with a sealant. G...
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JP2000045266 |
To ensure the water shielding property by inserting water barrier sheets to an underground water barrier wall groove constructed on a ground, and fitting the adjacent end parts thereof to opening parts on both ends of a connecting tool. ...
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JP3024932 |
To enable formation of work space in a simple method by surrounding a work target constructed underwater, sinkwise installing a work box along a water shielding guide erected at a bottom part, and perform shielding between the bottom par...
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JP3023236 |
PURPOSE: To eliminate the deterioration of stabilized liquid to be used and at the same time, to build a cut-off sheet, to enable the coupling work and to construct a cut-off wall excellent in execution efficiency and cut-off efficiency....
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JP2000001855 |
To provide a method capable of executing construction and repair of levee, etc., in a place where a large water current clashes within a short period of time. A hanging contraction rope is inserted in the mesh of a net around the circumf...
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JP11323948 |
To provide a cofferdam construction method in bridge pier steel plate winding reinforcing work by efficiently and reliably performing cofferdam work in the bridge pier steel plate winding reinforcing work executed in the underwater part....
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JP11323949 |
To provide a dewatering method capable of easily and quietly performing pumping pipe driving work performed to drain water in an excavating groove for laying a potable/sewage water pipe. Plural building frames 5 are provided in a ledge 4...
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JP11303094 |
To simply perform proper management by informing a manager by a sensor attached to each set position of the lower limit and the upper limit of an underground water level, forwarding it to a next manager in the case where the manager is a...
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JP11256587 |
To allow easy construction work even in the case of dry construction and even where an under-girder space such as under a bridge is limited, to reduce the period of the construction work by increasing the speed of the construction work, ...
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JP11256588 |
To reduce the number of steps of a timbering to simplify the erection work by fitting a mortar bag to a timbering previously assembled on the land, installing the same under water, and then injecting gap filling mortar. Timberings 3, 3 t...
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JP11247174 |
To provide a method for efficiently collecting groundwater in ground surrounded by impervious walls and a slightly permeable bottom slab. An underground structure B is surrounded by forming impervious walls 1 and an artificial slightly p...
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