KR20070004417A - A block for constructing reinforced earth wall - Google Patents

Abstract

A block for constructing a prefabricated reinforced earth retaining wall is provided to prevent various bad effects caused by handwork and to undertake construction work quickly by executing works using equipment, to construct a retaining wall in various patterns without excessive opening, individual projecting or retreating phenomenon of blocks, to construct a high-quality retaining wall by connecting the front of reinforcements to blocks directly without using subsidiary materials such as anchors, etc. and connecting blocks without exposing the front of reinforcements and to prevent the shear fracture of blocks if differential settlement occurs on the ground. A block(B) for constructing a prefabricated reinforced earth retaining wall contains the front(10) forming the surface of a retaining wall, the rear(20) abutting on a reinforced soil body, the left and right sides(30,30') putting neighboring blocks into contact with each other partially, the top(40) having reinforcement fitting grooves(44,44') to fix reinforcements or anchors for connecting reinforcements, and the bottom corresponded to the top. Hereon connection pin insert holes(h) are formed on the top and bottom to fix connection pins of upper and lower blocks, and two through-holes(60) are spaced out by a partition(62) and penetrated from the top to the bottom in the block to be located on the location where the connection pins inserted to the insert holes of the upper block are suspended while piling up blocks.

Description

Prefabricated Reinforced Earth Retaining Block {A Block for constructing reinforced earth wall}

1 is a front perspective view of a retaining wall building block according to an embodiment of the present invention;

Figure 2 is a perspective view of the rear portion of the retaining wall construction block according to an embodiment of the present invention,

3 is a plan view of a retaining wall building block according to an embodiment of the present invention;

Figure 4 is a bottom view of the retaining wall construction block according to an embodiment of the present invention,

5 is a plan view of a straight retaining wall constructed of blocks according to an embodiment of the present invention;

6 is a plan view of a protruding curved retaining wall constructed of blocks according to an embodiment of the present invention;

7 is a plan view of an indented curved retaining wall constructed of blocks according to an embodiment of the present invention;

8 is a plan view showing a point where a straight line portion and a curved portion meet in a retaining wall constructed of blocks according to an embodiment of the present invention;

9 is a front perspective view and enlarged view of the front portion of the retaining wall being constructed in a two-stage stacking method of the block of the present invention;

10 is a rear perspective view of the retaining wall being constructed in the same state as in FIG. 9;

11 is a front view of a retaining wall constructed by a two-stage stacking method;

12 is a side cross-sectional view of the retaining wall shown in FIG. 11;

Figure 13 is a perspective view of the rear portion of the retaining wall being constructed in a one-stage stacking method of the present invention,

14 is a front view of the retaining wall constructed in a one-stage stacking manner;

15 is a side cross-sectional view of the retaining wall shown in FIG. 14;

16 is a perspective view of the front portion of the retaining wall is completed in a straight construction method,

17 is a side cross-sectional view of the retaining wall constructed in a straight line construction method;

18 is a perspective view showing a partial renovation state of the retaining wall;

19 is a front perspective view of a retaining wall building block according to another embodiment of the present invention;

20 is a perspective view of the rear part of the retaining wall building block according to another embodiment of the present invention;

21 is a plan view of a retaining wall building block according to another embodiment of the present invention;

22 is a bottom view of a retaining wall building block according to another embodiment of the present invention;

23 is a plan view of a straight retaining wall constructed of blocks according to another embodiment of the present invention;

24 is a plan view of a protruding curved retaining wall constructed of blocks according to another embodiment of the present invention;

25 is a plan view of an indented curved retaining wall constructed of blocks according to another embodiment of the present invention;

FIG. 26 is a plan view showing a point where a straight portion and a curved portion meet at a retaining wall constructed of blocks according to another embodiment of the present invention; FIG.

27 is a front perspective view and enlarged view of a front portion of a retaining wall in which a block of the present invention is being constructed in a two-stage stacking construction method;

FIG. 28 is a rear perspective view of the retaining wall being constructed in the same state as in FIG. 27; FIG.

29 is a front view of the retaining wall constructed in a two-stage stacking manner;

30 is a side cross-sectional view of the retaining wall shown in FIG. 29;

Figure 31 is a perspective view of the rear portion of the retaining wall is being constructed in a one-stage stacking method of the present invention,

32 is a front view of a retaining wall constructed in a one-stage stacking manner;

33 is a side cross-sectional view of the retaining wall shown in FIG. 32;

34 is a perspective view of the front portion of the retaining wall constructed in a straight line construction method,

35 is a side cross-sectional view of the retaining wall constructed in a straight line construction manner;

36 is a perspective view showing a partial renovation state of the retaining wall;

37 is a perspective view of a block illustrating another embodiment of the present invention;

38 is a plan view of the block shown in FIG. 37;

39 is a perspective view of a block illustrating another embodiment of the present invention;

40 is a plan view of the block shown in FIG. 39;

41 is a plan view showing a state in which a reinforcing material is connected to the block shown in FIG. 37 or 39;

42 is a perspective view of the front part of the retaining wall showing the construction state of the block shown in FIG. 37 or 39;

FIG. 43 is a rear perspective view of the retaining wall in the state of FIG. 42. FIG.

* Explanation of symbols for main parts of the drawings

10: front 12,12 ': retreat

20: rear 22,22 ': retreat

30,30 ': Side 32,32': Uneven joint

34,34 ': Wing part 35,35': Breaking groove

40: upper surface 42: support protrusion

44: reinforcement insert groove 44 ': reinforcement insert groove

46: External force absorption groove (inside) 48,48 ': External force absorption groove (outside)

50: lower surface 60,60 ': through hole

61: front 62: bulkhead

70: reinforced earth 80: reinforcement

100: drainage filter C: concrete foundation

h: Connecting pin insertion hole h1: Expansion part

h2: Reduction part h3: Taper part

 P: Connection Pin B: Block

B1: lower block B2: upper block

B3: Broken block B4: Upper block (for damaged block)

U: Unitized block

The present invention has a structure that can be built by the equipment by avoiding the inefficient manpower building method in the meantime, and prevents the crack (shearing) of the block itself during the ground floating settle, block the front end of the reinforcement without a separate anchor It is possible to connect directly to the block, and it is possible to make a single pattern, two-stage stack, multi-stage stacking and straight line construction without excessive gap, individual protrusion or retraction between adjacent blocks vertically and horizontally. In the case of straight construction, the present invention relates to a prefabricated reinforced retaining wall construction block that is very easy to partially repair.

Description of the Related Art Convex retaining wall retaining wall and panel type retaining wall, and a method of constructing a retaining wall retaining wall in a manner in which a block and a panel are eclectic and a method of constructing the same are already known.

On the other hand, the existing block-assembled reinforcement earth retaining wall has a small block itself, and the worker has to build it individually by lifting it by manpower individually, so that the progress of the work is caused by the weight of physical fatigue. This was not done quickly, and when the retaining wall had to be built in a short period of time, a large amount of manpower had to be invested, resulting in additional problems caused by the burden of labor costs and the mobilization of many manpower.

In addition, since the panel retaining wall is constructed using equipment, the physical burden of the worker is small and the work is proceeded quickly. However, the panel structure is impossible to grow, and the retaining wall itself is less aesthetic than the block. There was a disadvantage that does not fit with the surrounding natural environment.

In order to solve the disadvantages of the conventional block prefabricated earth retaining wall and panel prefabricated earth retaining wall and to utilize only the advantages of each other, the present applicant is to construct a prefabricated retaining earth retaining wall and the retaining wall formed by vertically constructing a block of a relatively large standard. The block used and its construction method have already been patented as Patent Application No. 2004-37835, Patent Application No. 2004-65998, Patent Application No. 2004-81576, Patent Application No. 2004-89152 and Patent Application No. 2005-4044. The present invention has been further complemented with these earlier inventions.

The object of the present invention is first, it is possible to build using equipment to prevent various damages due to manual work and at the same time to enable rapid construction, second, the crack of the block due to the horizontal displacement of the block (floor shear) during floating of the ground And third, it is possible to prevent the breakage, and third, when connecting the retaining wall and the reinforcement can be connected directly to the end of the reinforcement to the block without using a separate subsidiary material, such as anchors, the end of the reinforcement is not exposed to the outside without loosening Fourth, it can be connected to the block, and fourthly, it is possible to arrange one-stage stacking, two-stage stacking, multi-stage stacking, and straight-line construction without excessive gaps or individual protrusion or retraction between adjacent blocks vertically and horizontally. It can be constructed in various patterns, and during straight construction, it is possible to develop parts without digging out adjacent blocks and backing reinforcement bodies. To provide a block for a retaining wall construction, that absorbs.

In order to achieve the above object, the present invention provides a front surface that forms the surface of the retaining wall and a rear surface in contact with the reinforcement soil, left and right sides where at least a portion of the adjacent blocks abut, and an anchor for connecting the reinforcement or the reinforcement. The upper and lower surfaces corresponding to the upper and lower surfaces of the reinforcing material insertion groove into which the reinforcing member is inserted, and the upper and lower connecting pin insertion holes for fastening the connecting pins between the upper and lower blocks are disposed up and down. A retaining wall construction block formed through a furnace; Inside the block, two through holes spaced apart from the left and right sides are formed to penetrate from the upper surface to the lower surface. The through holes are formed at positions where the connecting pins are inserted into the connecting pin insertion holes of the upper block when the block is stacked. The reinforcing member insertion groove which is directly caught by the front end of the reinforcing member is formed at the rear side of the through hole, and the front end of the reinforcing member insertion groove is formed to be in contact with the front surface of the through hole. Provided is a block formed with a reinforcement insertion groove through which the intermediate portion of the reinforcement is inserted so as to be connected rearward through the reinforcement insertion groove.

In the present invention, the left and right through-holes are designed to reduce the weight of the block, but partition walls are formed between the two through-holes so as to maximize the structural strength of the block itself, and the connecting pins are formed at the sides of the through-holes. The hole is located on an imaginary straight line formed on the front surface of the through hole, and the lower end of the connecting pin is formed even when the block is constructed in a straight line as well as a curved line by the connecting pin inserted in the connecting pin insertion hole. By being inserted into the through hole so as to be supported on the front of the through hole, the block located at the upper portion can be prevented from being pushed forward by the earth pressure of the reinforced soil.

The reinforcement insertion groove is a band-shaped fiber reinforcement is directly bonded to the block without a separate anchor, is formed with a gentle radius of curvature so as to prevent the stress is partially concentrated.

In the present invention, the inner and left and right sides of the upper surface of the block are alternately built up and down, and then the lower sides of the cross alternately constructed on the upper side of the block to prevent the concentration of shear force in the middle part of the block during floating subsidence of the ground. By forming the groove for absorbing external force to be able to incline to absorb the horizontal displacement of the block, it is possible to prevent the middle portion of the block from being sheared by the shear force or to damage the lower edge of the upper block (right corner) do.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

The block according to the first embodiment of the present invention and the retaining wall constructed by the block are shown in Figs.

First, Figures 1 to 4 show the retaining wall construction block according to an embodiment of the present invention, the block of the present embodiment and the front surface 10 and the rear surface 20 in contact with the reinforcement soil to form the surface of the retaining wall and Left and right side surfaces 30 and 30 'where at least a portion of the adjacent blocks abut each other, a reinforcement insert groove 44 into which the reinforcement or anchor for connecting the reinforcement is fitted, is formed in the front and rear directions, A lower surface 50 corresponding to the upper surface 40, and a connecting pin insertion hole h for fastening the connecting pin P between upper and lower blocks on the left and right sides of the upper and lower surfaces 40 and 50. In the retaining wall construction block formed to penetrate up and down; Inside the block (B), two through holes (60) spaced left and right by the partition wall (62) penetrate through the upper surface (40) to the lower surface (50), and the through holes (60) are the It is formed at the position where the connecting pin (P) inserted into the connecting pin insertion hole (h) of the upper block is caught when stacking, and the reinforcing member insertion groove which directly catches the front end of the reinforcing material (80) to the side of the through hole (60) 44 is formed to open to the rear side, the front end portion of the reinforcing member insertion groove 44 is formed to contact the front surface of the through hole 60, one reinforcement in front of the partition wall 62 between the two through holes (60). Reinforcement insertion groove 44 'is formed in the left and right direction through which the middle portion of the reinforcement 80 is inserted so that the 80 is connected to the rear through the reinforcement insertion groove 44 on both sides.

In the block B of the present embodiment, the front face 10 protrudes in a rectangular shape, and the protruded front face 10 is formed to have a natural stone texture by split processing, and the receding surfaces 12 and 12 'are curved surfaces. The grooves 12a and 12a 'are formed on the receding surfaces 12 and 12' in the vertical direction.

In the block (B) of the present embodiment, the connecting pin insertion holes h formed at the left and right sides of the upper surface 40 are generally made of blocks so as to facilitate the coupling between the blocks alternately constructed up and down as shown in FIG. 3. It is located in the center portion of the front and rear width, which is located on the imaginary straight line L formed by the front surface 61 of the through hole 60, and the lower end portion of the connecting pin P inserted into the connecting pin insertion hole h. Even if the block is constructed in a straight line or curved shape in the up-and-down stacking manner, the block located in the upper part is inserted into the rectangular through hole 60 so as to be supported by the front side 61 of the through hole 60. It is possible to prevent it from being pushed forward by the earth pressure of the reinforced soil located at the rear of the block.

The support structure of the connection pin can effectively prevent the accident that the upper block is pushed to the front, which is not supported at the rear when the individual blocks are constructed, as well as after the retaining wall is constructed.

The connecting pin insertion hole h may be formed between the upper portion wide expansion portion h1 and the lower portion reduction portion h2 as shown in the plan view of FIG. 3 and the bottom view of FIG. Tapered portion (h3) made of inclined surface is formed to facilitate the insertion of the connecting pin (P), to prevent the falling of the connecting pin (P), the flow in the forward and backward directions between the upper and lower blocks is small, and pushed forward And conduction are prevented.

In the present invention, the connecting pin (P) inserted into the connecting pin insertion hole (h) is almost in contact with the front surface 61 of the through-hole 60 of the lower block (B1) as can be seen in the sectional view of FIG. Fiber reinforcement 80 is inserted into the reinforcing material insertion groove (44, 44 ') of the lower block (B1) is located in front of the connecting pin (P) located in the through hole 60 of the lower block (B1). Therefore, the fiber reinforcement 80 is to be connected to the connecting pin (P) fitted to the upper block (B2) together with the reinforcement insertion grooves (44, 44 ') of the lower block (B1) to each layer of the reinforcement (80) It is possible to construct without connecting each block, so the consumption of fiber reinforcement can be minimized within the design allowance.

In the block (B) of the present embodiment, the reinforcing member insertion grooves 44 on the left and right sides are formed toward the front side at the rear surface 20 of the block, and contact with the through-hole 60 inside the block B. The reinforcement insert grooves 44 on both sides of the reinforcement insert grooves 44 ′ formed in the partition wall 62 communicate with each other in a “∪” shape so as to form a smooth curved shape toward the center portion. The front end portion is inserted and connected in a folded state of half the width, and in this embodiment, the reinforcement material 80 inserted into the reinforcement insertion grooves 44 and 44 'of the block is not opened and the folded state is maintained as it is, so that the reinforcement material 80 is provided. Of course, the loosening does not occur, so that the reinforcement 80 is not exposed to the upper or front of the block (B) will not interfere with the construction of the block.

In addition, the left and right outer and inner sides of the upper surface 40 has external force absorbing grooves 46, 48, 48 'having a step formed lower than the upper surface 40, and the external force absorbing grooves 46, 48, 48 ') prevents the concentration of shear force applied by the upper block on the middle part of the block, which is the intersecting position between the blocks during the floating settlement of the ground where the retaining wall is constructed after the block B of the present embodiment is built up and down alternately. In order to prevent the corner portion of the lower surface of the block from being broken.

In addition, the external force absorbing groove 46 inside the upper surface 40 is open to the rear surface 20 side of the retaining wall, so that the lever is pressed into the external force absorbing groove 46 which is a gap formed between the upper and lower blocks when the block is constructed. Or push down to finely adjust the seating position of the upper block.

On the other hand, in the middle rear portion of the external force absorbing groove 46, the support protrusions 42 having the same height as the upper surface 40 is formed at a position where the block placed on the upper portion does not touch when constructing the straight retaining wall or the curved retaining wall. The upper and lower blocks are designed to maintain a stable state when constructing two-stage stacking.

 On the other hand, in an embodiment of the present invention, both sides of the rear surface 20 of the block B are formed with retreating surfaces 22 and 22 'toward the front side, which are the front surfaces 10. It has a shape symmetrical to the receding surface (12, 12 ') of the) is a typical boat (Boat) form that narrows the bow and stern when viewed from the top of the block of this embodiment.

In addition, the front surface 10 of the block is formed in a protruding shape in a rectangular shape, at least a part is cut in a split method so as to have a natural stone pattern, it can give an atmosphere as if the completed retaining wall is constructed of natural stone after construction. By doing so, it is possible to solve the gritty feeling in the retaining wall of the concrete.

Hereinafter, a process of constructing the retaining wall using the block having the above-described configuration will be described.

First, the alignment of the upper and lower blocks and the coupling state of the connecting pin and the reinforcement during the stacking construction are shown in detail in FIGS. 5 to 8.

First, when constructing a straight retaining wall in a stacking manner, as shown in FIG. 5, the lower block B1 and the upper block B2 are almost vertically constructed. In this case, the connection formed on the left and right sides of the upper block B2 is formed. The connecting pins P inserted into the pin insertion holes h are respectively inserted into the through holes 60 of the lower block B1 so that the upper block B2 is not pushed forward by the lower block B1.

On the other hand, the lower end of the connecting pin (P) fitted in the upper block (B2) is close enough to be in close contact with the front surface 61 of the through hole 60 of the lower block (B1), inserting the reinforcement of the lower block (B1) Since the stiffener 80 folded in half inserted into the grooves 44 and 44 'is positioned in front of the connecting pin P, the connecting pin P is substantially the front of the through hole 60 formed in the lower block B1. Since it is in close contact with the 61, the upper block B2 can be prevented from falling when the front block is pushed forward or severely.

The reinforcement member 80 folded into half the width of the reinforcement insertion groove 44 of the lower block B1 is embedded in the reinforcement soil in a state where it is extended to the rear side and opened in the original width.

In addition, when building a curved retaining wall protruding in a stacking manner, as shown in FIG. 6, when the lower block B1 is arranged in a curved shape and the upper block B2 is stacked thereon, the upper block B2. Since the position of the connecting pin (P) fitted in the coupling is moved slightly further into the front 61 of the through hole 60 of the lower block (B1) than in the straight retaining wall, the radius of curvature of the projecting retaining wall is variously designed. Even if the blocks adjacent to the upper, lower and left and right sides do not have excessive gaps, the upper retaining blocks can be constructed without necessity of excessively retreating or protruding.

In addition, when constructing the stacked retaining curved retaining wall, as shown in FIG. 7, the position of the connecting pin P fitted to the upper block B2 is lower than that of the straight retaining wall. 60) Since it is coupled in a slightly more moved state inside the front surface, even if the curvature radius of the indented retaining wall is variously designed, the blocks adjacent to the top, bottom, left, and right sides do not cause excessive gaping, and the upper block retreats excessively, A curved retaining wall can be constructed without being protruding.

Meanwhile, when constructing the retaining wall using the block of the present invention, as shown in FIG. 8, the connecting pin P fitted to the upper block B2 is a through hole of the lower block B1 even at the point where the straight portion and the curved portion meet. (60) Since it is possible to move to the left and right sides, it is possible to build the retaining wall in a good state without causing excessive phenomenon between adjacent blocks.

9 to 12 show a retaining wall in which a block of the present embodiment is being built by a two-stage stacking method, wherein the two-stage stacking construction form is suitable for constructing a visually magnificent retaining wall, and also by the equipment at a time. Lifting two or four blocks and constructing them also has the advantage of improving construction.

Referring to the method of constructing the block of the present invention in a two-stage stacking manner, the two blocks are vertically overlapped and transported in a unitized block (U) that is integrated with the connecting pin (P), and when the retaining wall is constructed. Even if it is to lift and build at a time using equipment such as a crane, the construction process of the first step of stacking at least two or more unit blocks vertically and uniting them with a connecting pin (P); Second, the first construction step of lifting the unitized block (U) at once and built on the concrete foundation (C); Third, the reinforcement soil 70 is installed on the rear of the primary unitized block U, and the reinforcement 80 is connected to the primary structured block U, and the reinforcement soil 70 is laid on the reinforcement soil 70. Compacting 70; Fifth, vertically stacking at least two or more unit blocks and unitizing them with connecting pins (P); Sixth, a second construction step of constructing the second unit united block (U) to the left, right to cross on the first constructed unitized block (U); Seventh, the reinforcement soil 70 is installed on the rear of the secondary structured block U, and the reinforcement body 80 is connected to the secondary structured block U to lay on the reinforcement soil 70 and reinforcement soil 70 ), And the process after the secondary construction step may be repeated the same process from the secondary construction step according to the height of the retaining wall.

9 to 12, the non-woven drain filter 100 between the adjacent unitized block (U) to the left and right adjacent to the back of the overlapping portion of the block reinforcement soil (70) ) Will not be exposed to the front of the retaining wall and only water can be drained to the front of the retaining wall.

The reinforcing material embedded in the reinforcement soil together with the block of the present invention is a relatively narrow (about 40-50 mm) band-shaped fiber reinforcing material, which is a band type in the patent application 2004-29493 and the patent application 2004-111929 of the applicant The specific form of the fiber reinforcement and how to connect to the block is described, which is unlike the conventional band-shaped fiber reinforcement can be built directly into the block without using a separate anchor to build the retaining wall, strip-shaped fiber reinforcement ( 80 is inserted through the reinforcing material insertion grooves 44, 44 'formed on the upper surface of the block as shown in the drawing and extending both ends of the fiber reinforcement 80 to the rear of the block to be long stretched backwards on the reinforcement soil after Stack blocks again.

The reinforcement 80 may be continuously connected in a zigzag manner as shown in the figure, or may be independently connected to each block (B).

The block according to the present invention is capable of constructing not only a straight retaining wall as shown in FIGS. 9 to 12 but also a curved retaining wall having any curvature radius.

Figures 13 to 15 show the retaining wall of the multi-stage (B1 ~ B4) in a one-stage stacking method using a block of the present invention, the one-stage stacking retaining wall shown in Figures 13 to 15 is a block construction type Since it is a general method in the retaining soil retaining wall, a detailed description thereof will be omitted.

In addition, the coupling structure of the connecting pin and the installation structure of the reinforcing member in the one-stage stacking method shown in FIGS. 13 to 15 are the same as those described in the two-stage stacking method shown in FIGS. 9 to 12. Detailed description will be omitted.

16 and 17 show the retaining wall in which the block of the present invention is being constructed in a straight-shaft manner, and FIG. 18 is a front perspective view of the retaining wall showing a partial renovation state of the retaining wall shown in FIG. 16.

16 and 17, since the interference between the adjacent blocks to the left and right adjacent to the uneven settlement of the ground does not occur, the shear of the block or the wall of the retaining wall does not occur, as well as the block forming the retaining wall If a part is broken by an external force, as shown in FIG. 18, only the upper blocks B4 in the row in which the broken block B3 is located are sequentially lifted from the top, and then the broken block B3 is removed and then replaced again. It is possible to stack them in order, and in the case of renovation, adjacent blocks and rear reinforcement soils can be worked without touching at all, thereby minimizing the work space and cost, workforce and working time required for renovation.

16 and 17 in the straight construction method is that the connecting pin (P) is fitted through the connecting pin insertion hole (h) between the upper and lower blocks, which is different from the construction methods described above, Due to this, only blocks of broken rows can be replaced without interfering with adjacent block rows.

19 to 22 illustrate a retaining wall construction block according to another embodiment of the present invention. The block according to the present embodiment is different from the retaining wall according to the first embodiment only in appearance, and the actual structure is the same. If this is outlined as follows.

The block diagram of this embodiment also connects the front surface 10 forming the exposed surface of the retaining wall and the back surface 20 in contact with the reinforcement soil, the left and right side surfaces 30, 30 'in which at least part of the adjacent blocks abut, reinforcement or reinforcement. The reinforcing member insertion groove 44 to which the anchor is inserted comprises an upper surface 40 formed in the front-rear direction, and a lower surface 50 corresponding to the upper surface 40, wherein the upper and lower surfaces 40 and 50 Left and right side connecting pin insertion hole (h) for fastening the connecting pin (P) between the upper and lower blocks is formed to penetrate up and down, the inner front of the block two spaced left and right by the partition wall 62 The through hole 60 is formed to penetrate from the upper surface 40 to the lower surface 50. The through hole 60 has a connecting pin P inserted into the connecting pin insertion hole h of the upper block when the block is laid. The reinforcing member insertion groove 44, which is formed at the position to be caught and directly catches the front end of the reinforcing member 80, is formed at the side of the through hole 60. The front end of the reinforcing member insertion groove 44 is formed to be in contact with the front surface of the through hole 60, and one reinforcing member 80 is provided in front of the partition wall 62 between the two through holes 60. The reinforcement insertion groove 44 'through which the intermediate portion of the reinforcement 80 is inserted so as to be connected rearward through the reinforcement insertion grooves 44 on both sides is formed in the left and right directions.

In the present embodiment, the wings 34 and 34 'extending outward are formed at the rear of the left and right sides 30 and 30' of the block, and the wings 34 and 34 'have fracture grooves on the rear side thereof. 35, 35 'are formed so that when the curved curved retaining wall is constructed, the fracture grooves 35.35' are formed so that the side surfaces 30, 30 'of the adjacent blocks to the right and left are completely in contact with each other as shown in FIG. After removing the wing parts 34, 34 'along

In addition, in the block according to the present embodiment, another through hole 60 'is formed in a symmetrical form on both sides of the rear of the block, which is formed to lightly manufacture the weight of the block.

23 to 26 are views corresponding to FIGS. 5 to 8 of the first embodiment described above, in which the block diagram according to the second embodiment of the present invention is a straight retaining wall, a protruding and indented retaining wall, and a portion where the straight portion and the curved portion meet. It shows that the up and down and left and right adjacent blocks can be neatly constructed without excessive gaps or individual protrusions or retractions, and redundant descriptions thereof will be omitted.

27 to 30 are views for explaining the construction of the retaining wall in a two-stage stacking manner using the block according to the second embodiment of the present invention shown in FIGS. 19 to 22. FIGS. 33 is a view for explaining the construction of the retaining wall in a one-stage stacking manner using the block according to the second embodiment of the present invention. The block according to the second embodiment of the present invention is also described in the first embodiment. It is shown that it can be constructed by two-stage stacking and one-stage stacking method in the same way as the block.

34 and 35 show a retaining wall being constructed in a straight-shaft manner using a block according to a second embodiment of the present invention, and FIG. 36 illustrates a partial renovation state of the retaining wall shown in FIG. 34. In the drawings, the block of the present embodiment also shows that the straight construction and partial remodeling are possible in the same manner as the block of the first embodiment.

Blocks according to the second embodiment of the present invention merely differ in appearance, and the connection structure and connection method of the coupling structure and the reinforcement using the connection pins between the upper and lower blocks are the same, and thus detailed description thereof will be omitted.

37 and 38 are a perspective view and a plan view of a block according to a third embodiment of the present invention.

The block according to the third embodiment of the present invention has a front surface 10 and a rear surface 20 in contact with the reinforcement soil, which form the surface of the retaining wall, and left and right side surfaces 30, 30 'in which at least a portion of adjacent blocks abut. And, the upper surface 40 is formed with a reinforcement insert groove 44 is inserted into the reinforcement or anchor for connecting the reinforcement, and the lower surface 50 corresponding to the upper surface 40, the upper and lower surfaces (40 In the retaining wall construction block formed in the left and right of the 50, the connecting pin insertion hole (h) for fastening the connecting pin (P) between the upper and lower blocks penetrates up and down; Through-hole 60 is formed in the inner side of the block penetrating from the upper surface 40 to the lower surface 50, the through hole 60 is connected to the connection pin insertion hole (h) of the upper block when the stacking of the block construction It is formed at the position where the pin (P) is caught, and the reinforcing member insertion grooves (44), in which the front end portions of the reinforcement member (80) are directly opened to the left and right sides and the rear portion of the through hole (60), respectively, to a T-shape. It is supposed to be.

39 and 40 are a perspective view and a plan view of a block according to a fourth embodiment of the present invention, in which the through hole 60 is divided into two left and right sides by a partition wall 62. Except for the same block as that of the third embodiment.

FIG. 41 is a plan view illustrating a state in which a reinforcement 80 is connected to a block illustrated in FIG. 37 or 39, and the blocks illustrated in FIGS. 3 and 4 are disposed in left and right directions to two adjacent blocks. One reinforcement 80 is hooked up through the open reinforcement insert groove 44, and is exposed toward the reinforcement body 80 through the reinforcement insert groove 44 opened to the rear from the lower blocks (B1, B1). It is embedded in the reinforcement soil, the upper block (B2) is stacked on it.

42 and 43 show a state in which a retaining wall is constructed by blocks according to the third and fourth embodiments of the present invention.

In constructing the retaining wall using the blocks according to the third and fourth embodiments of the present invention, except that the reinforcing material 80 is not connected to each block independently, the reinforcing material is connected to the adjacent blocks to the left and right. Since the same as the construction method described in the first and second embodiments described above, duplicate description thereof will be omitted.

As described above, the present invention can be constructed using equipment instead of directly building by manpower, which can greatly reduce the physical burden of the worker, and has a variety of patterns including two-stage stacking and one-stage stacking and straight construction method. Retaining wall can be constructed, and when connecting the front end of the reinforcement, the front end of the reinforcement is not exposed to the outside or the length of the reinforcement keeps folded in half width, so that the retaining wall is not full due to the loosening of the reinforcement. Therefore, it is possible to construct a high quality retaining wall, and it is very resistant to uneven settlement of the ground during straight construction, and it is also possible to partially renovate without digging adjacent blocks and backing reinforcement soils. Even when the curved retaining wall is constructed, excessive gaps or gaps between adjacent blocks vertically and horizontally By constructing neatly without any extra protrusion or retreat, it is possible to construct retaining walls that are visually stable, and the connecting pins fitted to the upper block are in close contact with the front of the through-holes of the lower block, so that the upper block is the pressure of the reinforced earth after completion. It does not occur by the rolling and fall phenomena due to, as well as to maintain the stable state during the construction has the effect of preventing the occurrence of safety accidents.

Claims (10)

The upper surface of the retaining wall and the rear surface in contact with the reinforcement soil, the left and right side surfaces where at least a portion of the adjacent blocks abut, and the reinforcement insertion groove into which the anchor for connecting the reinforcement or the reinforcement is inserted are formed in the front-rear direction. And a lower surface corresponding to the upper surface, wherein the retaining wall building block has upper and lower connecting pin insertion holes for fastening the connecting pin between the upper and lower blocks; Through-hole 60 is formed in the inner side of the block penetrating from the upper surface 40 to the lower surface 50, the through hole 60 is connected to the connection pin insertion hole (h) of the upper block when the stacking of the block construction The reinforcing member insertion groove 44 is formed at the position where the pin P is caught, and the reinforcing member insertion groove 44 directly caught by the front end of the reinforcing member 80 is opened to the rear side. The front end of the prefabricated reinforcement earth retaining wall building block, characterized in that formed in contact with the front of the through hole (60). An upper surface on which the front surface forming the surface of the retaining wall and the rear surface in contact with the reinforcement soil, the left and right sides where at least a portion of the adjacent blocks contact each other, and a reinforcement insertion groove into which the anchor for connecting the reinforcement or the reinforcement are fitted, are provided. In the retaining wall for building blocks including a lower surface corresponding to the upper surface, the left and right sides of the upper and lower surfaces, the connecting pin insertion hole for fastening the connecting pin between the upper and lower blocks penetrates up and down; Through-hole 60 is formed in the inner side of the block from the upper surface 40 to the lower surface 50, the through hole 60 is inserted into the connecting pin insertion hole (h) of the upper block when the block is built up It is formed at the position where the connecting pin (P) is caught, and the reinforcing member insertion grooves 44, which are directly caught by the front end of the reinforcing member 80, are opened to the side and the rear side of the through hole 60, respectively. Prefabricated earth retaining wall building blocks, characterized in that formed to form a shape. The method according to claim 1 or 2, The through hole 60 is separated from the left and right by the partition wall 62, and one reinforcement 80 is formed in the partition wall 62 between the two side through holes 60 to form the reinforcement insertion grooves 44 at both sides. Prefabricated reinforcement earth retaining wall building block, characterized in that the reinforcing material insertion groove 44 'passing through the middle portion of the reinforcing material 80 is inserted in the left and right directions to be connected to the rear through. The method according to claim 1 or 2, Prefabricated soil retaining wall building blocks, characterized in that the left, right outer and inner sides of the block upper surface 40 is provided with an external force absorbing groove (46, 48, 48 ') having a step lower than the upper surface (40). The method according to claim 4, The external force absorbing groove 46 is prefabricated reinforced soil retaining wall building block, characterized in that open to the rear surface 20 side of the retaining wall. The method according to claim 5, Prefabricated reinforcement earth retaining wall, characterized in that the intermediate rear portion of the external force absorbing groove 46 is formed with a support protrusion 42 of the same height as the upper surface 40 in a position not to reach the block mounted on the top when the straight retaining wall or curved retaining wall construction Building blocks. The method according to claim 1 or 2, The connecting pin insertion hole (h) is a prefabricated reinforcement earth retaining wall building block, characterized in that consisting of a wide diameter expansion portion (h1) of the upper portion and a narrow narrow portion (h2) of the lower diameter. The method according to claim 7, Prefabricated soil retaining wall building blocks, characterized in that the tapered portion (h3) consisting of the inclined surface formed between the expansion portion (h1) and the reduction portion (h2). The method according to claim 1 or 2, The reinforcement insert groove 44 is a prefabricated reinforced soil retaining wall building block, characterized in that to form a gentle curve toward the center of the block while contacting the through-hole (60) inside the block. The method according to claim 1, At the rear of the left and right side surfaces 30 and 30 ', wing portions 34 and 34' extending outward are formed, and the wing portions 34 and 34 'are broken grooves 35 and 35' at their rear sides. Prefabricated reinforcement earth retaining wall construction block, characterized in that formed.

Images