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1. 发明专利

JPH11222863A EMBANKMENT CONSTRUCTION METHOD AND SYSTEM 失效
公开(公告)号：JPH11222863A
公开(公告)日：1999-08-17
申请号：JP2561398
申请日：1998-02-06
申请人： OBAYASHI ROAD CORP , OHBAYASHI CORP
发明人： SASAKI KAZUO , YAMAUCHI EIJI
IPC分类号： E02D3/00 , E02D17/18
摘要： PROBLEM TO BE SOLVED: To provide an embankment construction method and an embankment system, by which a levee and a simple one sufficient for conducting the emergency measure of the damaged level can be constructed successively, rapidly and efficiently by using simple heavy machinery and materials. SOLUTION: The embankment system consists of a bulldozer 16 made to travel and moved along the top end face of a levee 12, a sheet roll 14, on which a sheet 13 having a shape that the levee 12 is wrapped in is wound, from which the sheet 13 is delivered and which is arranged in front of the bulldozer 16, and a belt conveyor 19 carries banking soil and sand from the rear of the bulldozer 16 to a section between the bulldozer 16 and the sheet roll 14 in front of the bulldozer 16 and charging banking soil and sand 15 into the sheet 13 delivered from the sheet roll 14. The sheet 13 is delivered successively from the sheet roll 14 continuously while banking soil and sand 15 are charged into the delivered sheet 13, and the levees 12, in which at least bases and side faces are covered with the sheets 13 and which are composed of bankings, are built in order in the extending direction of the levees 12.

2. 发明专利

JPH11131468A REMOVING METHOD FOR DRILLING SURPLUS SOIL IN IN-SITU SOIL STIRRING PILE METHOD 失效
公开(公告)号：JPH11131468A
公开(公告)日：1999-05-18
申请号：JP29284197
申请日：1997-10-24
申请人： OBAYASHI ROAD CORP , OHBAYASHI CORP
发明人： SASAKI KAZUO , YAMAUCHI EIJI
IPC分类号： E02D3/12 , B09B3/00 , B09C1/02 , B09C1/08 , E02D5/18
摘要： PROBLEM TO BE SOLVED: To provide a removing method for a drilling surplus soil in in-situ soil stirring pile method capable quickly improving the surplus soil over flowing from a drilled hole without moving it, and economically and efficiently constructing a column-like continuous wall. SOLUTION: Drilling the in-situ soil by an auger 12 and injecting a cement milk thereto mix and stir the in-situ soil with the cement milk repeatedly to create a column-like continuous wall. In this case, a cylindrical casing 13 having a size of surrounding the circumference of the auger 12 is set in the building position in the ground of the auger 12, and when the surplus soil produced from a drilled hole according to the drilling work rises and passes the cylindrical casing 12, an improving agent is injected into the cylindrical casing 13, and the surplus soil having cement milk mixed thereto is made to overflow from the cylindrical casing 12 in a improved state.

3. 发明专利

JPH11222850A COFFERING CONSTRUCTION METHOD AND COFFERING STRUCTURE 失效
公开(公告)号：JPH11222850A
公开(公告)日：1999-08-17
申请号：JP2561498
申请日：1998-02-06
申请人： OBAYASHI ROAD CORP , OHBAYASHI CORP
发明人： SASAKI KAZUO , YAMAUCHI EIJI
IPC分类号： E02D19/04 , E02D5/20
摘要： PROBLEM TO BE SOLVED: To provide a coffering method and coffering structure, in which sufficient coffering and simple coffering for conducting the emergency measure of a damaged levee can be mounted rapidly and efficiently by a simple method without particularly requiring a large number of materials and a large-sized heavy machine. SOLUTION: Sheet cells 11 formed by cylindrically assembling sheet members are used in the coffering construction method and the coffering structure. Bearing piles 16 for retaining and positioning the sheet cells 11 are driven at the place 15 of coffering under the state, in which the upper end sections of the bearing pile 16 are projected and extended onto a water surface, the sheet cells 11 are hung up and installed at the place 15 of coffering so that the bearing piles 16 are inserted into the inside from the upper sections of the bearing piles 16 and soil and sand 13 for a fill are charged and filled into the sheet cells 11 and the fill cells 14, 14' are formed at that time. The fill cells 14, 14' are connected continuously along the place 15 of coffering, thus coffering the place 15 of coffering.

4. 发明专利

JP2001070955A METHOD FOR REMOVING IRON AND PLANT FOR REMOVING IRON 失效
公开(公告)号：JP2001070955A
公开(公告)日：2001-03-21
申请号：JP24819599
申请日：1999-09-02
申请人： OHBAYASHI CORP
发明人： YAMAUCHI EIJI , OHORI TAKAYOSHI
IPC分类号： B01D21/01 , C02F1/52 , C02F1/64
摘要： PROBLEM TO BE SOLVED: To easily separate and remove iron in a raw water as a floc in a short time by efficiently oxidizing iron in the raw water, and also to miniaturize the size of the whole plant. SOLUTION: This plant for removing an iron content 1 consists of a raw water tank 2 storing a water having the iron content dissolved therein as a raw water, a first treatment agent tank 4 connected with the raw water tank 2 via a feeder 3, a secondary treatment agent tank 6 connected with the raw water tank 2 via a first feed pipe 5, an agitation tank 7 connected with a downstream side of the raw water tank 2, a tertiary treatment agent tank 9 connected with the agitation tank 7 via a second feed pipe 8, a sedimentation basin 10 connected with a downstream side of the agitation tank 7 and a pressure dehydrating device 12 connected with a pump 11 in the sedimentation basin.

5. 发明专利

JPS6250514A TREATMENT OF RESIDUAL EXCAVATED SOIL IN MUD-WATER CONSTRUCTION WORK 失效
公开(公告)号：JPS6250514A
公开(公告)日：1987-03-05
申请号：JP18146286
申请日：1986-08-01
申请人： OHBAYASHI CORP
发明人： YAMAUCHI EIJI , TANIGUCHI YASUNORI , YAMAGUCHI FUMINORI , KIDA DAIZO , SAITO YUJI , KUBO HIROSHI
IPC分类号： E02D5/18 , C02F11/12 , E02D3/00 , E21B21/06 , E21D9/12
摘要： PURPOSE:To treat residual excavated soil with good efficiency by a method in which the residual excavated soil is housed in a soil tank and vibrated by a plurality of vibrators in the soil tank, and mud water is extracted into a reduced-pressue drain pipe provided between the vibrators 4. CONSTITUTION:When vibrators 4 and a decompression device 10 are operated, vibration is given to residual excavated soil 5 in a soil tank 3 to promote the separation of mud water 2' from soil. The mud water 2' so separated is sucked through the holes of a drain pipe 9 provided between the vibrators 4 and is extracted into a sludge storage tank 11, and the mud water 2' is then reused as mud water for excavation. The residual excavated soil 5 deprived of mud water 2' is delivered to a soil dumping site for reclamation.

6. 发明专利

JPH08113936A ARTIFICIAL ISLAND AND CONSTRUCTING METHOD OF ARTIFICIAL ISLAND 失效
公开(公告)号：JPH08113936A
公开(公告)日：1996-05-07
申请号：JP24968594
申请日：1994-10-14
申请人： OHBAYASHI CORP
发明人： MORIYA KENJI , YAMAUCHI EIJI , TAKAMATSU KUNIHITO
IPC分类号： E02B17/00 , E02B17/02 , E02D23/00
摘要： PURPOSE: To obtain a stable ground simply and rapidly even when the large- scale ground must be prepared. CONSTITUTION: An artificial island 30 is composed of a coffering wall 40 formed by driving and installation to the periphery of a sea area S while surrounding the sea area S, in which the artificial island 30 must be built, up to the depth reaching an impermeable layer 20 in the lower section of a sea-bottom ground 22 from a marine section, box culverts 2 as a large number of blocks closely arranged crosswise under a floated state in the sea area S surrounded by the coffering wall 40, and waste products 10 charged and filled into a space section 4 in the lower section of the box culverts 2. The artificial island 30 is constructed in such a manner that the coffering wall 40 is driven and mounted, the separately manufactured box culverts 2 are disposed closely on the inside of the coffering wall 40, and the waste products 10 are charged and filled into the space section 4 while utilizing the top faces of the box culverts 2 as a ground surface.

7. 发明专利

JPH08113935A ARTIFICIAL ISLAND 失效
公开(公告)号：JPH08113935A
公开(公告)日：1996-05-07
申请号：JP24968494
申请日：1994-10-14
申请人： OHBAYASHI CORP
发明人： MORIYA KENJI , YAMAUCHI EIJI , TAKAMATSU KUNIHITO
IPC分类号： E02B17/00 , E02B17/02 , E02D23/02 , E02D23/08
摘要： PURPOSE: To prevent settlement due to the consolidation of a sea-bottom ground by laminating and laying and arranging a large number of blocks in a specified sea area under an approximately floated state while surrounding the peripheries of the blocks by coffering walls. CONSTITUTION: A large number of steel-pipe sheet piles 1 are driven continuously while surrounding the periphery of the constructed sea area S of an artificial island 20, thus installing a coffering wall 10. Sand drains 5 are driven into an alluvial clay layer 21 in the coffering wall 10 to compact the ground while paving sand 6 is laid on a floor-face ground 22, and a temporary bearing base 7 is mounted. Box culverts 2 are sunk successively into the coffering wall 10, and the culverts 2 are arranged closely under an approximately floated state. Sections among the culverts 2 in a lower layer and paving sand 6 are filled with mortar, the upper sections of the culverts 2 are filled up with lightweight aggregate 9, and a top face is paved 25. Accordingly, the loading of placing load in size, by which settlement due to consolidation is generated on a sea- bottom ground, can be prevented, and the artificial island 20 can be executed easily.

8. 发明专利

JPH0868292A JOINT METHOD BETWEEN EXISTING PIPE LINE AND SHIELD TUNNEL 失效
公开(公告)号：JPH0868292A
公开(公告)日：1996-03-12
申请号：JP20767394
申请日：1994-08-31
申请人： OHBAYASHI CORP
发明人： YAMAUCHI EIJI , TAKAMATSU KUNIHITO
IPC分类号： E21D9/06
摘要： PURPOSE: To sufficiently bear excessive load with the approach to a joint place of a shield excavator and to make it possible to connect a shield tunnel to the existing pipe line while preventing the movement of damage of the existing pipe line easily. CONSTITUTION: Before a shield excavator 20 excavates the ground approached to the existing pipe line 10, an improved soil E1 is executed in the ground on the opposite side of an arrival side of the shield excavator 20 in the circumference of the existing pipe line 10. An improved soil E2 between the shield excavator 20 and existing pipe line 10 is excavated while bearing push force with the approach of the shield excavator 20 on the improved soil E1. After the front end part of an excavation face plate of the shield excavator 20 is brought into rough contact with the peripheral surface of the existing pipe line 10, the circumference of the existing pipe line 10 is made to pass through by driving forward the shield excavator 20 while removing the existing pipe line 10 of a joint place 14 such as an arrival place from the inside of the existing pipe line 10. By the constitution, the existing pipe line is connected to a shield tunnel 30.

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