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1. 发明专利

JPH0762677A METHOD FOR CONSTRUCTING WING PORTION OF TUNNEL 失效
公开(公告)号：JPH0762677A
公开(公告)日：1995-03-07
申请号：JP21274593
申请日：1993-08-27
申请人： KANEGAFUCHI CHEMICAL IND , TAISEI KISO SEKKEI KK , KYORITSU CONSULTANTS KK
发明人： OTAKI TSUNEO , IRIE KANAME , TSUDA YUTAKA , TAKEUCHI AKIRA
IPC分类号： E21D9/14 , E02D29/045
摘要： PURPOSE:To eliminate the need to particularly reinforce the rigidity of a connecting part by stacking blocks comprising plastic foams at the connecting part of a tunnel and a wing plate to efficiently decrease bending moment exerted on the connecting part. CONSTITUTION:The ground 1 is excavated to construct a tunnel 3 by successively connecting arch-shaped culverts 2, following which wing plates 4, 4 are respectively erected on either side so as to be formed integrally with the culvert 2. Next, blocks 10 comprising plastic foams are stacked on the free end side F of the wing plate 4 in an approximately truncated quadrangular pyramid- shaped region which is gradually inclined upwardly toward the inner part of the tunnel, parallelly with the center line thereof. After a predetermined number of blocks 10 are stacked in a range of stacking layers E, a civil sheet is laid on an upper layer to effect soil dressing. Ordinary soil and sands are backfilled in the vicinity of the culvert 2. On the side C of the connecting part of the plate 4 with the culvert 2, a large earth pressure is exerted, while the earth pressure is reduced on the side of position A near the free end side F and the whole load is positioned nearer to the side of the tunnel, and hence a maximum bending moment exerted on the part C becomes smaller.

2. 发明专利

JPH0734471A SUSPENDED WALL TYPE RETAINING WALL CONSTRUCTION METHOD IN LIGHTWEIGHT FILLING CONSTRUCTION METHOD 失效
公开(公告)号：JPH0734471A
公开(公告)日：1995-02-03
申请号：JP18250893
申请日：1993-07-23
申请人： TAISEI KISO SEKKEI KK , KANEGAFUCHI CHEMICAL IND
发明人： MARUNO MASAHIRO , TSUDA YUTAKA , FUKAZAWA YUKIO
IPC分类号： E02D29/02
摘要： PURPOSE:To obviate the necessity of the foundation and the striking of piles, and simplify the installation work for a retaining wall, when the lightweight execution method and the retaining wall construction method are applied to the ground. CONSTITUTION:A plurality of EPS blocks 2 are placed on the ground 1, and the connected steel reinforcements 4 and 5 are placed over the part ranging from the side edge surface 2a to the upper surface 2b forming the vertical surfaces of the collection body of the EPS blocks 2. In the state where the steel reinforcement 4 is interposed between the side edge surface 2a of the collection body, a formwork panel 8 made of concrete is temporarily placed, in separation by a prescribed distance, and concrete is placed so as to cover the steel reinforcements 4 and 5.

3. 发明专利

JPH0734462A WALL SURFACE CONSTRUCTION METHOD USING EPS CONSTRUCTION METHOD 失效
公开(公告)号：JPH0734462A
公开(公告)日：1995-02-03
申请号：JP18250993
申请日：1993-07-23
申请人： TAISEI KISO SEKKEI KK , KANEGAFUCHI CHEMICAL IND
发明人： MARUNO MASAHIRO , TSUDA YUTAKA , FUKAZAWA YUKIO
IPC分类号： E02D17/18 , E02D29/02
摘要： PURPOSE:To facilitate the transport work and the installation work for a wall body at a site, by obviating the necessity of the use of a PC panel in the conventional, when the EPS construction method is applied to the ground such as in a tilted form. CONSTITUTION:A plurality of stays 2 are struck into the soft ground 11, and a truss metal screen 3 is fixed on these stays 2, and after a form work 4 is temporarily installed on the front surface side, mortar is blown toward the formwork 4 from the back surface side. Accordingly, after a wall body 5 which has the truss metal screen 3 built in is formed, an EPS block 6 is installed. Further after the striking in of the stay 2, fixation of the truss metal screen 3, and the placement of the EPS block 6 are completed, mortar is blown toward the collection body of the EPS block 6 from the front surface side of the truss metal screen 3, and the wall body 5 installed on the side edge surface 6a of the collection body of the EPS block 6 is formed.

4. 发明专利

JPH06287965A FOUNDATION FOR WEAK GROUND, AND METHOD FOR CONSTRUCTING FOUNDATION IN WEAK GROUND 失效
公开(公告)号：JPH06287965A
公开(公告)日：1994-10-11
申请号：JP7806993
申请日：1993-04-05
申请人： KANEGAFUCHI CHEMICAL IND , TAISEI KISO SEKKEI KK
发明人： OTAKI TSUNEO , IRIE KANAME , TSUDA YUTAKA
IPC分类号： E02D3/00 , E02D27/30 , E02D27/34 , E02D27/42
摘要： PURPOSE:To stably keep a tall building constructed on a weak ground for a long period by working the buoyancy of a resin foamed block laid in a frame body to the whole foundation as a pulling force. CONSTITUTION:A plurality of steel sheet piles are embedded in a weak ground 1 to form a frame body 12. A resin foamed block 13 is laid in the frame 12. The maximum pulling force received by the resin foamed block 13 from the weak ground 1 is substantially equilibrated with the weights of a foundation member 18 and a construction 19 on the foundation member 18. Since the foundation member 18 and the construction 19 are supported by the buoyancy of the resin block 13, the consolidation settlement over a long period is prevented. The ratio of the length of the steel sheet pile forming the frame body 12 to the depth of the resin foamed block 13 is set within the range of 2:1-50:1. Since the frame body 12 is embedded deep in the weak ground 1, the opposing force to horizontal and bending moments is increased.

5. 发明专利

JPH084012A RESIN FOAMING MATTER BLOCK FOR TEMPORARY ROAD AND CONNECTIVE THEREOF 失效
公开(公告)号：JPH084012A
公开(公告)日：1996-01-09
申请号：JP14025194
申请日：1994-06-22
申请人： KANEGAFUCHI CHEMICAL IND , TAISEI KISO SEKKEI KK
发明人： OTAKI TSUNEO , TSUDA YUTAKA
IPC分类号： E02D3/00 , E01C3/00 , E02D17/18
摘要： PURPOSE:To provide a block coupled substance suitable for construction of a road by winding a resin foaming matter rectangular in cross section in a net-shaped substance thereby constituting a resin foaming matter block, and coupling a plurality of blocks capably of folding with a coupling. CONSTITUTION:A resin foaming matter 2 rectangular in cross section is wound in a net-shaped substance 3 so as to constitute a resin foaming block 1 for a temporary road. It is to be desired that a hard plate-shaped substance should be stacked on the surface to contact with ground face of the resin foaming substance 2. Furthermore, a plurality of resin foaming substance blocks 1 are connected with each other capably of folding with net couplings such as a wire 4 or the like so as to constitute a resin foaming substance block connective substance for a temporary road. Hereby, it can be made hardly breakable during carriage, construction work, and use, and also, repeated use becomes possible, and the cost can be reduced, and further the block coupling work time can be shortened sharply.

6. 发明专利

JPH093903A BANKING CONSTRUCTION METHOD BY FOAM RESIN BLOCK, AND LOCKING MEANS USED THEREFOR 失效
公开(公告)号：JPH093903A
公开(公告)日：1997-01-07
申请号：JP15441095
申请日：1995-06-21
申请人： KANEGAFUCHI CHEMICAL IND , JIORESUTO KK
发明人： FUKAZAWA YUKIO , YAMADERA ATSUSHI , TSUDA YUTAKA
IPC分类号： E02D17/18
摘要： PURPOSE: To facilitate laying work at low cost by disposing layer locking means between one foam resin block aggregate layer and the other aggregate layer, disposed at the upper part, to fix foam resin blocks to one another. CONSTITUTION: A hole 21 of suitable depth is excavated in the weak ground P, for instance, and a net 22 is laid on the bottom face of the hole 21. In this case, foam resin blocks 20 to be a first layer, with resin protrusions integrally installed toward both sides in advance are disposed flat in the longitudinal and lateral directions of the net 22, in the intersecting positions of belt-like bodies. Foam styrene or the like of approximately rectangular solid shape is used as the foam resin block 20. The foam resin blocks 20 numerously arranged in plane shape are unified as a linearly continuous aggregate, and locking parts serving as layer locking means are arranged at both faces of wire gauze. One block aggregate layer laid stepwise is further fixed thereto, so that both block aggregate layers are connected integrally as one aggregate layer, and the lateral dislocation of these layers can be prevented desirably.

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