JP4874276B2 - Wall - Google Patents

Description

The present invention relates to a wall constituting revetment, quay, water structures and retaining walls, such as breakwaters, the structures such as check dams.

A wall constituting member having an open cross section such as a grooved steel sheet pile cannot be expected to have a tip closing effect like a steel pipe pile, and has a small resistance (supporting force) to the pushing force. For this reason, there was a problem in applying as a component of a structure where a large pushing force acts.
JIS A5528 hot rolled steel sheet pile JIS A5525 steel pipe pile

  A wall constituting member having an open cross section such as a grooved steel sheet pile cannot be expected to have a tip closing effect like a steel pipe pile, and has a small resistance (supporting force) to the pushing force. For this reason, there was a problem in applying as a component of a structure where a large pushing force acts.

An object of this invention is to provide the wall body which solves the said problem.

  In order to solve the above problems, the present invention is configured as follows.

  The wall body according to the first invention is in close contact with or close to the wall body 10 on at least the back surface of the wall body 10 formed by fitting joints of a large number of wall body constituting body members 1. The load transmitting member 500 is disposed in the extending direction of the wall body 10, the load transmitting member 500 is locked by a locking member 510, and the locking member 510 is welded to the predetermined wall body constituting main body member 1. It is characterized by being integrally connected by means.

  The wall body according to the second invention is the joint fitting portion formed by fitting the joints 130 and 140 of the wall body constituting main body member 1 arranged adjacent to each other in the first invention. The locking member 510 is disposed at or near the joints 130 and 140, and is integrally connected to the joints 130 and 140 or the vicinity thereof by means such as welding.

  A wall according to a third invention is characterized in that, in the first or second invention, the load transmitting member 500 is a member having a cylindrical cross section such as a square steel pipe or a steel pipe.

  A wall according to a fourth invention is characterized in that, in the first or second invention, the load transmitting member 500 is a member whose sides facing each other in a cross section thereof are linear.

  A wall body according to a fifth aspect of the present invention is the invention according to any one of the first to fourth aspects, wherein a tie material is inserted through the load transmitting member 500, and an end portion of the tie material is used for the wall body configuration. It is fixed to the main body member 1.

  In the wall body according to the present invention, the locking member connected to the wall body constituting main body member such as a grooved steel sheet pile is locked to the load transmitting member disposed on the ground surface, It can exert a great resistance to force.

Reference embodiments and embodiments of the present invention will be described with reference to the drawings.

Figure 1 shows a wall structure member 100 according to a reference shape state 1, a wall structure for the body member 1 consisting of interposition steel sheet piles, and a supporting-strength shaped steel 2, which is welded thereto. The supporting force enhancing section steel 2 is composed of a predetermined length of H-section steel. Moreover, the cross-sectional shape in the direction orthogonal to the longitudinal direction of the wall-body-constituting main body member 1 and the cross-sectional shape in the direction orthogonal to the longitudinal direction of the support-strengthening structural steel 2 are such that the wall-body constituting member 100 is viewed in the vertical direction. Then, they are joined by means such as welding so as not to overlap each other.

  More specifically, in both members of the wall-constituting main body member 1 made of a U-shaped steel sheet pile and the H-shaped steel 2 made of H-shaped steel welded to both surfaces of the web 7, The reinforcing structural steel 2 may be welded over the entire length of the wall constituting main body member 1, but the wall constituting main body member 1 made of a U-shaped steel sheet pile is on the upper side when driven into the ground. Therefore, it may be configured such that the supporting force enhancing structural steel 2 made of H-shaped steel is on the lower side, and a part thereof overlaps and the overlapping part is welded.

  As shown in the drawing, a slit 3 having a predetermined depth (L2) from the upper end edge 11 is provided on the web 9 of the support-strengthening structural steel 2 as shown in the figure. The wall body constituting main body member is formed by fitting the lower end portion 12 of the web 7 of the constituting main body member 1 to form the fitting inserting portion 4 and joining both members by welding 13 in the fitting inserting portion 4. The wall constituting member 100 is formed by joining the support-steel-enhancing shape steel 2 to the lower part of 1.

The means for joining the wall-constituting main body member 1 and the support-strengthening shaped steel 2 may be bolted instead of the weld 13. In this case, as shown as a modification of Reference shaped state 1 in FIG. 2, at the site of the wall structure for the body member 1 and the fitting of the supporting-strength shaped steel 2 interpolator 4, the supporting strength for shaped steel 2 A welding flange 14 having a predetermined width is welded to the web 9 at a length substantially the same as that of the slit 3, and the joint flange 14 and the wall member main body member 1 web 7 facing the joint flange 14 are opened on the joining surface. By inserting the bolt 15 into the bolt hole and fastening the nut, the wall member-forming main body member 1 and the support-strengthening shaped steel 2 can be firmly joined.

  Explaining a specific example of the length of each part of the wall member 100, the length (L) of the wall member main body member 1 is, for example, 10 m, and the length (L1) of the support-strengthening structural steel 2 is The overlap portion, that is, the length (L2) of the welded length is 10 cm, and thus the total length (L3) of the wall member constituting member 100 is 13.0 m. Of course, you may change the length of each part suitably.

It can be constructed of various wall such means by penetrating the foundation ground earth retaining walls, such as pouring with the plurality of walls constituting member 100 according to a reference shape state 1. In this case, it may be constructed by a wall constituting member 100 reinforced with the supporting-strength shaped steel 2 of all of the wall constituting member that binds together the reference shape state 1, or, the wall constituting member You may build combining the space | interval 100 and a normal channel steel sheet pile.

Figure 3 shows an example of the latter, the wall constituting member 100 according to the Ru reference type Position 1. name by welding the supporting strength for shaped steel 2 in the lower part of the wall structure for the body member 1, ordinary interposition steel An example is shown in which the wall body 17 is configured by combining the sheet piles 200 at intervals of three and connecting via the joint portion 16.

All components of the thus wall 17, or by incorporating the wall constituting member 100 according to a reference shape state 1 in a part, and pushing force from above by the supporting-strength shaped steel 2, The resistance force, that is, the supporting force against the action in the member axial direction such as the pulling-out force is enhanced, which is suitable for application as a component of a structure on which a large pushing force acts.

Figure 4 shows a wall constituting member 100a according to a reference shape state 2, a wall structure for the body member 1 consisting of interposition steel sheet piles, and a supporting-strength shaped steel 2 is welded thereto . Also in the wall constituting member 100a according to a reference shape state 2, the supporting-strength shaped steel 2, consists of H-shaped steel, in the reference shape condition 2 of this, one of the supporting-strength shaped steel 2 One end of the flange 18 is joined to the inner surface of the web 7 at the lower end of the wall constituting main body member 1 by welding 13. The rest of the configuration is the same as the reference shape Position 1..

Also in Reference shaped state 2, wall structure for the body member 1 and the supporting strength for shaped steel 2, so that each full-length portions overlap, it may be welded joining webs 7 and the flange 18, but the steel in FIG. In consideration of the efficiency of the amount used, as in the first embodiment, a part of the overlap portion (L4) is provided, and the web 7 and the flange 18 are welded to each other at the overlap portion (L4).

In or reference type condition 2 may be bolted in place means for joining said wall structure for the body member 1 and the supporting strength for shaped steel 2 by welding 13. In this case, bolts may be disposed so as to pass through the web 7 and the flange 18 in the overlapping portion (L4) of the wall-constituting main body member 1 and the supporting force enhancing structural steel 2 and the nuts may be fastened.

You can build wall by penetrating the foundation ground by means such as pouring using a plurality of the wall constituting member 100 according to a reference shape state 2. In this case, constructed in the wall constituting member 100a according to all of the wall constituting member that binds together the reference shape state 2, or to build a combination of the 100a and the normal channel steel sheet pile between the wall constituting member is the same as the reference-type state 1 of may.

5 shows a wall constituting member 100b according to the reference shape state 3, with respect to the groove of the wall structure for the body member 1 consisting of interposition steel sheet piles, likewise consisting of interposition sheet piles supporting-strength shaped steel 2 shows an example in which the two groove portions face each other and both joint portions 16 are brought into contact with each other and joined by welding 13.

In the wall constituting member 100b according to the reference shape state 3 of this, the length of the support-strength shaped steel 2 is about one-half of the length of the total length of the wall structure for the body member 1, both members Are welded with the bottom ends aligned. Therefore, in the wall constituting member 100b, the lower half of the wall constituting main body member 1 has a supporting force enhanced by the supporting force enhancing shape steel 2, and a member axis such as a pushing force and a pulling force acting on the wall constituting member 100b. A large resistance support force can be exhibited with respect to the acting force in the direction.

Also in Reference shaped state 3, wall structure for the body member 1 and the supporting strength for shaped steel 2 is both joint portion 16 with each other so that each full-length portion overlap may be bonded at contact welding 13 In the drawing, considering the efficiency of the amount of steel used, the joint member 16 in the lower half of the wall constituting member 100 is welded 13 with the structural steel 2 for increasing the supporting force of the length of the wall constituting main body member 1 13. is doing.

Wall constituting member 100b according to the reference shape state 3 a plurality of used, can build means by penetrating the foundation ground wall, such as pouring. In this case, constructed in the wall constituting member 100b according to all of the wall constituting member that binds together the reference shape state 3, or to build a combination of the 100b and the normal channel steel sheet pile between the wall constituting member is the same as the reference-type state 1, 2, the may be.

6 shows a wall constituting member 100c according to the reference shape state 4, with respect to wall structure for the body member 1 consisting of interposition steel sheet piles, the supporting strength for shaped steel 2 was welded similarly made of steel An example is shown.

May be any welding joint may in Reference shaped state 4, as shown in FIG., A predetermined depth from the upper edge 11 of the support-strength shaped steel 2 consisting of steel pipe slit 3 (L2) is provided, the slit 3 is inserted into the lower end portion 12 of the web 7 of the wall body main body member 1 to form the insertion insertion portion 4, and the wall insertion body 4 is joined by welding 13 to the insertion insertion portion 4. A wall constituting member 100c is formed by joining the supporting steel for reinforcing capacity 2 to the lower part of the member 1.

  Instead of means for joining the main body member 1 for wall construction and the structural steel 2 for increasing the supporting force by welding 13, bolt joining may be used. In this case, the slit 3 and the main body member 1 for wall structure construction and the section 4 of the structural steel 2 for increasing the supporting force 2 are substantially aligned with the slit 3 toward either the inside or outside of the steel pipe that is the structural steel 2 for increasing the supporting force. A welding flange of the same length and a predetermined width is welded, and the bolt 15 is inserted into the bolt hole opened on the joining surface, the wall member main body member 1 web 7 facing the joining flange, and the joining flange. By tightening the nut, the wall body constituting main body member 1 and the supporting force increasing shape steel 2 can be firmly joined, and illustration is omitted.

Pushing acting in the wall constituting member 100c according to this reference shape condition 4, by penetrating the supporting strength for shaped steel 2 made of steel pipes foundation ground, the wall structure for the body member 1 consisting of interposition sheet piles With respect to the acting force in the axial direction of the member such as force and pulling-out force, the support-strengthening structural steel 2 can exert a large resistance support force.

It can be constructed by penetrating a wall member in foundation ground by means such as pouring using a plurality of the wall constituting member 100c according to the reference shape state 4. In this case, it may be constructed by a wall constituting member 100c according to any of the wall constituting member reference shape state 4, or the wall forming member between 100c and regular channel steel sheet pile according to the reference shape state 4 These may be combined as appropriate.

7 (a) and 7 (b) show a wall body 10 according to Embodiment 5 of the present invention, and a wall body constituent member 100d formed by fitting joints of a large number of wall body constituting body members 1; On the ground surface 27 at least on the back surface of the wall body 10 composed of 100, a load transmitting member 500 in which H-shaped steel is placed in close proximity or close to the wall body 10 is arranged in the extending direction of the wall body 10. The load transmission member 500 is locked by a locking member 510, and the locking member 510 is integrally connected to a predetermined wall body constituting main body member 1 by means such as welding 13 or the like. Show.

FIG. 8: is sectional drawing of the modification of the wall 10 which concerns on Embodiment 5 of this invention of FIG.7 (b), and the load transmission member 500 formed by placing H-section steel horizontally is the steel plate 31 for load distribution. The example arrange | positioned in the ground surface 27 via is shown.

Figure 9 (a), (b) shows a sixth embodiment wall 10 with wall constituting member 100e according to the present invention, in the fifth embodiment of the present invention in FIG. 8, they are arranged adjacent to each other Further, in the joint fitting portion formed by fitting the joints 130 and 140 of the predetermined wall-body-forming main body members 1 and 1, the locking member 510 made of H-shaped steel is the joints 130 and 140 or the vicinity thereof. The example of the structure which is arrange | positioned so that it may straddle, and is integrally connected by means, such as the welding 13, to the said joints 130 and 140 or its vicinity is shown.

10 (a) and 10 (b) are cross-sectional views of two modified examples of the wall body 10 according to Embodiment 6 of the present invention in FIG. 9 (b). Instead of the H-shaped steel, a square steel pipe, a steel pipe, or the like. FIG. 10A shows an example of a load transmitting member 500 formed by horizontally placing a member having a cylindrical cross section as shown in FIG. 10A. In FIG. An example is shown in which one of the section steels is cut off at the middle of the web, the two H-section steels are crossed, and the joint portion is fixed by welding 13 and arranged on the ground surface 27. Other configurations are the same as those of the fifth embodiment of the present invention .

11A and 11B show a wall body 10 using a wall body constituting member 100f according to Embodiment 7 of the present invention, and the load transmission member 500 in the same wall body 10 as FIG. A configuration example is shown in which a material 32 is inserted and an end portion of the tie material 32 is fixed to a wall body constituting main body member 1 by a screw fastening portion 150.

The present invention can be implemented by appropriately modifying the configurations shown in Embodiments 5 to 7 of the present invention , and these are included in the scope of the invention described in the claims.

(A) is a side view of a wall constituting member according to a reference shape state 1, (b) is a plan view. (A) is a side view of a wall constituting member according to a modification of Reference shaped state 1, (b) is a plan view. It is a plan view of a wall built with the wall constituting member according to a reference shape state 1. (A) is a side view of a wall constituting member according to a reference shape state 2, (b) is a plan view. (A) is a side view of a wall constituting member according to a reference shape state 3, (b) is a plan view. (A) is a side view of a wall constituting member according to a reference shape state 4, (b) is a plan view. (A) is a top view of the wall body comprised with the wall body structural member which concerns on Embodiment 5 of this invention, (b) is AA sectional drawing of the figure (a). It is sectional drawing of the modification of FIG.7 (b). (A) is a top view of the wall body comprised with the wall body structural member which concerns on Embodiment 6 of this invention, (b) is BB sectional drawing of the figure (a). (A) is sectional drawing of the 1st modification of FIG.9 (b), (b) is sectional drawing of the 2nd modification of FIG.9 (b). (A) is a top view of the wall body comprised with the wall body structural member which concerns on Embodiment 7 of this invention, (b) is CC sectional drawing of the figure (a).

DESCRIPTION OF SYMBOLS 1 Wall body structure main body member 2 Supporting-strength shape steel 3 Slit 4 Insertion part 5 Projection part 7 Web 9 Web 10 Wall body 11 Upper end edge 12 Lower end part 13 Welding 14 Joining flange 15 Bolt 16 Joint part 17 Wall body 18 Flange 20 Wall body 21 Foundation ground 22 Wall body structure 23 Structure longitudinal direction connection material 24 Structure longitudinal direction connection material 25 Lower connection material 26 Upper connection material 27 Ground surface 30 Filling material 100 Wall structure member 100a Wall structure Member 100b Wall member 100c Wall member 100d Wall member 100e Wall member 100f Wall member 130 Joint 140 Joint 150 Screw fastening part 200 Conventional grooved steel sheet pile 500 Load transmission member 510 Locking member

Claims (5)

A load transmitting member that is in close proximity to or close to the wall body (10) on the ground surface at least on the back surface of the wall body (10) formed by fitting joints of a large number of wall body constituting body members (1). (500) is arranged in the extending direction of the wall body (10), the load transmitting member (500) is locked by a locking member (510), and the locking member (510) is a predetermined wall body constituting main body. A wall body characterized by being integrally connected to the member (1) by means such as welding. In the joint fitting portion formed by fitting the joints (130) and (140) of the wall body constituting main body member (1) arranged adjacent to each other, the locking member (510) is the joint. It is arrange | positioned at (130), (140) or its vicinity, and is integrally connected by means, such as welding, to the said joint (130), (140) or its vicinity. Wall body. The wall body according to claim 1 or 2, wherein the load transmission member (500) is a member having a cylindrical cross section such as a square steel pipe or a steel pipe. The wall according to claim 1 or 2, wherein the load transmitting member (500) is a member whose sides facing each other in a cross section thereof are linear. The tie material is inserted through the load transmission member (500), and an end portion of the tie material is fixed to the wall body constituting main body member. Wall body.

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