JP3556920B2 - Large blocks and molding forms for retaining walls - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a large block for a retaining wall that constructs a retaining wall such as a retaining wall by stacking, and a forming formwork of a retaining block that constitutes a retaining portion thereof.
[0002]
[Prior art]
Conventionally, a large block for a retaining wall is provided with hollow portions 73, 73 penetrating from an upper surface 71 to a bottom surface 72 on both sides of a block 7 formed in a rectangular parallelepiped shape as a whole as shown in FIG. It has been configured such that the blocks stacked by inserting a support member such as a reinforcing bar through the hollow portion are prevented from collapsing and the blocks are stacked.
[0003]
[Problems to be solved by the invention]
Due to the development of heavy machinery and construction machinery, large blocks with good workability at construction sites have been used for river disaster recovery and road retaining wall construction. Cost problems have arisen, such as a rise in the price of formwork due to the increase in size, an increase in the cost of moving equipment in a factory such as a hoist crane due to an increase in the weight of the product, and an increase in the transportation fee for finished products.
[0004]
Further, in the conventional block, the upper and lower blocks stacked as described above are provided with through hollow portions through which the support members for preventing collapse are inserted, but in a molding form, this must be molded with a core. Because of the required shape, a high level of technology is required for extracting the core after molding, and there has been a problem that the molded article is broken when the core is extracted.
[0005]
In addition, various variations are required for the retaining walls to be constructed, and simply stacking single-shaped blocks on a single retaining wall cannot be used. It is necessary to change or make the block surface have an angle of inclination with respect to the stay, and a block that the surface panel and the stay panel are inclined in parallel and the retaining wall surface and the rest surface are inclined in parallel by horizontal stacking etc. Is coming.
[0006]
If the conventional molding method is used, even if the basic shape is the same, but the length differs, a separate formwork corresponding to each length will be required, and it will take a lot of money only for the formwork production cost, There is also a problem that the cost is increased accordingly.
[0007]
[Means for Solving the Problems]
The present invention addresses the weight problem by dividing the block into a surface block and a stay block, and connecting the two blocks to one block at a site or the like by a taper fitting structure, and has the same basic shape. This makes it possible to adjust the holding length by fitting the holding block to the surface block and to use the formwork in the molding stage for a holding block that requires a variety of holding lengths.
[0008]
In addition, the basic shape of the unit block is configured such that the front panel and the retaining panel are connected by one or more supporting cylinders, and the surface block and the retaining block are detachably divided at the portion of the supporting cylinder, so that only the surface block is used. By changing the block, or by changing the angle of the front panel and the stay panel with respect to the support cylinder, it is possible to meet various needs for the block.
[0009]
Further, since the gap between the support cylinder connecting the front panel and the stay panel is inevitably a hollow part due to the fitting connection between the front block and the stay block, the core forming which has a problem in pulling out and the like is not performed. The hollow portion can be formed, and the length of the support cylinder can be adjusted in the forming mold of the retaining block, which can contribute to the efficient use of the forming mold. is there.
[0010]
【Example】
An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a retaining block of a large block for a retaining wall according to the present invention, which is constituted by connecting two supporting cylinders 12, 12 each having a tapered fitting structure 13 at a distal end portion thereof with a retaining panel 11.
[0011]
Reference numeral 2 denotes a front block, which is formed by forming a tapered fitting structure 22 that fits on the back surface of the front panel 21 in correspondence with the tapered fitting structure 13 of the retaining block 1. The large block A for retaining wall, which is one unit block, is formed by fitting and coupling.
[0012]
A fitting hole 14 into which a pin 23 implanted in the fitting surface of the taper fitting structure 22 of the surface block 2 is bored is formed in the fitting surface of the taper fitting structure 13 of the retaining block 1. When the surface block 2 is dropped into the stay block 1 at a factory or a stacking site, the pins 23 are fitted into the fitting holes 14 and the stay block 1 and the surface block 2 are united and fixed.
[0013]
An adhesive capsule or the like is charged into the fitting hole 14 as necessary, and the capsule is crushed by fitting the pin 23 and the fitting hole 14 is filled with an adhesive. And the fixing of the block 1 and the surface block 2 can be completed.
[0014]
FIG. 6 is a vertical sectional side view showing a stacking mode when a retaining wall is constructed by block stacking using blocks according to the present invention. In the case of (1), the unit blocks have the same shape and the surface panel 21 is tapered. In the case of (2), the unit block has the same shape and the front panel 21 is inclinedly joined to the tapered fitting structure 22 as shown in FIG. The front panel 21 is inclinedly joined to the tapered fitting structure 22, and the length of the support cylinder 12 is different for each stacking stage. (4) shows a stacked structure in which the front panel 21 and the retaining panel 11 are formed so as to incline in parallel, and the retaining wall surface and the retaining surface are constructed in parallel and inclined by horizontal stacking.
[0015]
In this case, since (1) and (2) have the same shape of the retaining block, the retaining block can be molded with a single molding die, and a special molding die for the surface block may be prepared. However, in the case of (3), the shape of the surface block is the same as that of (2), and the length of the support cylinder 12 of the stay block is different for each stacking stage.
Therefore, it becomes necessary to prepare a special mold having a different length of the support cylinder 12 for each stacking stage.
[0016]
Next, a description will be given of an embodiment of a forming mold for forming a stay block in which the length of the support cylinder 12 is different for each stacking stage as described above, using a single mold.
Reference numeral 4 denotes a base plate constituting the formwork body, which is formed in a substantially trapezoidal shape. A base plate 41 is provided at the base end, a base plate 42 is provided at the distal end side, and both side plates 43 and 44 are formed by hinges 45, 45. It is mounted so that it can be rotated and opened and closed.
[0017]
At the center of the tip end side of the base plate 4, a middle mold 5 for forming and partitioning the two support cylinders 12, 12 while leaving the width of the forming portion of the retaining panel 11 is fixedly attached. Forming portions 51, 51 of the support cylinders 12, 12 are defined by the inner wall surfaces of 43, 44.
[0018]
Attachments 6 are provided on the bottoms of the forming portions 51 at stepwise intervals so that the slide attachments 6 defining the lengths of the support cylinders 12 can be fixedly fixed at arbitrary support cylinder length positions. , 6 are provided, and the middle die 5 is mounted and fixed to the base plate 3, and the attachments 6, 6 are mounted by sliding to a predetermined support body length position to form a required stay block. Regulations are enforced.
[0019]
The slide attachments 6, 6 are formed at the lower part of the body base side with a molded part 52 which is recessed into the shape of a tapered fitting structure at the tip end of the support cylinder. On the upper surface, after molding, a hook 62 for lifting the attachment at the time of removal from the mold, a mounting base part A mounting bolt support pipe 63 is embedded in the mounting hole, through which a mounting bolt 64 screwed with the mounting hole 61 is inserted into the attachment.
[0020]
Also, a jig 65 for mounting an insert nut is provided on the lower surface of the fitting surface of the tapered fitting structure forming portion 52 of the support cylinder, and the insert nut is set on the upper surface of the fitting portion of the molded product simultaneously with molding. It has become.
[0021]
The middle die 5 has a wedge-shaped fulcrum 53 corresponding to the operation of expanding and contracting the width of the distal end inside the central portion on the base side, and a turnbuckle for performing the operation of expanding and contracting the width of the distal end when attaching to the base plate 3 and removing the mold from the distal end. 54, a lifting hook 55 is provided on the upper surface.
[0022]
In the formwork configured as described above, first, the middle mold 5 is attached to the center portion on the tip side of the base board 3, and the position is adjusted to a predetermined support body length by attaching bolts 64 and attaching holes 61 on both sides thereof. Attachments 6 and 6 are attached, the side plates 33 and 34 are closed, and the end plates 31 and 32 are fitted and locked to complete the formwork.
[0023]
After the molding material such as concrete is filled in the molding space S and cured, the mold is first released by rotating the side plates 43 and 44 and the end plates 41 and 42 to open them. The side portions are reduced in width to peel off the joints with the attachments 6 and 6 and the molded product, the attachment bolts 64 are removed, the attachments 6 and 6 are lifted upward by the hooks 62, and the molds are removed. The middle mold 5 is configured to be lifted upward and removed from the mold.
[0024]
Since the present invention is configured as described above, a large block which is large in weight and volume and which is difficult to handle can be divided into a copy block 1 and a surface block 2 and fitted and used at any place. And it was convenient for handling.
[0025]
In addition, since the stay block can be used as a base and the same shape of the stay block can be used even when the front block is replaced, the type of the form can be greatly reduced, and various changes can be made only by changing the design of the front block. It can respond to various types of retaining walls.
[0026]
In addition, since the structure in which the retaining panel 11 and the front panel 21 are connected by the support body 12 is a basic configuration, the space formed by the panel and the connection support body forms the hollow portion 15 and contributes to weight reduction of the block. There are various advantages, such as planting soil in the hollow portion 15 and planting on the retaining wall as shown in FIG.
[Brief description of the drawings]
FIG. 1 shows an embodiment of the present invention and is an exploded perspective view showing a fitting state of a stay block and a front block.
FIG. 2 is a perspective view showing an embodiment of a surface block in which the front panel has an inclination.
FIG. 3 is a perspective view showing an embodiment in which a stay block is fitted to a surface block having an inclined front panel.
4 is a cross-sectional view of a fitting portion showing a fitting state of a fitting pin and a fitting hole in the fitting portion of FIG. 3;
FIG. 5 is a perspective view showing an embodiment of a block in which the surface panel and the retaining panel are inclined in parallel, and the retaining wall surface and the retaining surface are constructed by parallel inclining by horizontal stacking.
FIG. 6 is a vertical sectional side view of each stacked state showing an embodiment of a change of blocks and a stacked form according to the present invention. (1) is an example of a stacked form of a block in which a surface panel is vertically connected to a support cylinder. , (2) is an example of a stacked configuration of a block in which a surface panel is inclinedly connected to a support cylinder, and (3) is an inclined connection of a surface panel to a support cylinder to give a change to the length of the support cylinder of the stay block. (4) is an example of a stacking configuration of blocks in which the surface panel and the retaining panel are inclined parallel to the support cylinder and the retaining wall surface and the retaining surface are inclined parallel by horizontal stacking. .
FIG. 7 is a longitudinal sectional side view of each stacked state showing an embodiment of a stacked form in which blocks according to the present invention are planted blocks.
FIG. 8 is a plan view of a form body base plate showing an example of a block forming form that changes the length of the support cylinder of the stay block.
FIG. 9 is a plan view of the molding form in FIG. 5 in an assembled state.
10 is a left side view showing a structure of a main part of a part of the forming mold shown in FIG.
FIG. 11 is a perspective view of the middle mold showing a state in which the middle mold of the molding frame of FIG. 5 is set on a base board.
FIG. 12 is a perspective view of a conventional large block for retaining wall.
[Explanation of symbols]
DESCRIPTION OF REFERENCE NUMERALS 1 stay block 11 stay panel 12 support body 13 taper fitting structure of stay block 14 pin fitting hole of fitting surface 15 hollow portion of block 2 surface block 21 surface panel 22 taper fitting structure of surface block 23 fitting surface Planted pins 3 Support body length adjustment molded form main body 31 of stay block 31 Support body molded base 32 Formwork 33 of taper fitting structure part Formable telescopic structure part 4 Base board 41 forming formwork body Base end side plate 42 Front end side plates 43 and 44 Both side plates 45 Opening / closing hinge 5 Medium size 51 Support body forming part 52 Tapered fitting structure forming part 53 Wedge-shaped fulcrum part 54 Turnbuckle 55 Lifting hook 6 Slide attachment 61 Position of attachment Adjustment mounting hole 62 Lifting hook 63 Mounting bolt support pipe 64 Attachment mounting bolt 65 Insulator Tot nut mounting jig 7 Conventional large block for retaining wall 71 Upper surface of conventional large block for retaining wall 72 Bottom surface of conventional large block for retaining wall 73 Hollow portion A of conventional large block for retaining wall A retaining unit serving as a unit block Large block for wall B Planting of retaining wall S Molded product molding space

Claims (5)

A stay block that connects a support cylinder and a stay panel with a tapered fitting structure formed at the distal end, and a surface that has a tapered fitting structure that fits on the back of the front panel corresponding to the tapered fitting structure of the stay block. Large block for retaining wall consisting of blocks A mating pin is implanted on the mating surface of the tapered mating structure of the surface block, and a mating hole is inserted into the mating receiving structure of the retaining block. When the capsule filled with the agent is loaded and the surface block is dropped into the stay block, the fitting pin is fitted into the fitting hole, and at the same time, the adhesive capsule is crushed and the adhesive and the fitting pin are used. The large block for a retaining wall according to claim 1, wherein the stay block and the surface block are united and fixed. The surface block is formed by joining the surface panel by inclining the surface block at an arbitrary angle corresponding to the inclination angle of the retaining wall to be constructed with respect to the tapered fitting structure portion of the surface block. Item 2. Large block for retaining wall according to item 2. The front panel of the front block and the stay panel of the stay block are inclined at an arbitrary angle corresponding to the inclination angle of the retaining wall to be constructed with respect to the taper fitting structure of both blocks, and both panels are fitted and joined. The large block for retaining wall according to claim 1 or 2, wherein the large block is formed so as to be inclined in parallel. Supporting the form body by forming the fitting position of the formwork of the tapered fitting structure at the tip end of the support body into the formwork body configured to form the base of the support panel and the support body. A retaining block for a large block for a retaining wall, wherein a form of a tapered fitting structure at a tip end of a support cylinder is configured to be able to be fixedly fixed at an arbitrary support cylinder length position with respect to a trunk base molding portion. Mold form

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