CN101225665B - Loading planning type retaining wall block - Google Patents

Loading planning type retaining wall block Download PDF

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CN101225665B
CN101225665B CN 200810006934 CN200810006934A CN101225665B CN 101225665 B CN101225665 B CN 101225665B CN 200810006934 CN200810006934 CN 200810006934 CN 200810006934 A CN200810006934 A CN 200810006934A CN 101225665 B CN101225665 B CN 101225665B
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wall
block
retaining wall
blocks
left
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CN 200810006934
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CN101225665A (en
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何辅友
朱友群
程卫国
郭军辉
龚丽飞
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程卫国
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Abstract

The invention discloses a stowage type retaining wall block, comprising a bottom plate, a surface wall and a left and a right sidewall; wherein, the surface and the left and right sidewalls are vertical to the bottom plate of the block; a cavity is formed among the bottom plate, the surface wall and the left and right sidewalls; solid backfill is filled in the cavity while in construction; a plurality of retaining wall blocks are connected with each other by shape matching, so as to form a wall body. The stowage type retaining wall block has the advantages that the product weight is relatively light; the carrying, lifting and long distance transportation in constructing process is convenient; different materials can be backfilled in the surface layer structure of the wall surface; the block weight is increased to meet the requirement for stabilization; the selection of backfill can adopt the solid waste such as building waste and coal ash, which can effectively reduce the effect of waste on environment; the wall body building method is relatively simple.

Description

一种配载式挡土墙块体 One ligand carrier retaining wall block

技术领域 FIELD

[0001] 本发明涉及挡土墙建筑块体,尤其是聚合物等合成材料的配载式挡土墙块体。 [0001] The present invention relates to a retaining wall construction blocks, retaining wall loading in particular synthetic material block polymers. 背景技术 Background technique

[0002] 目前,加筋挡土墙的应用越来越广泛,但其主要的形式仍是以无结构要求的预制混凝土面板作为加筋挡墙面层,这种大块型的面板尺寸都比较大,在施工时往往需要采用大型的起重设备,从而给施工带来一定难度与困难。 [0002] Currently, reinforced retaining walls more widely, but it is still the main form of non-structural requirements of precast concrete panels as reinforced block wall coverings, this type of panel size chunks are more large, often need to use in the construction of large-scale lifting equipment, leading to some difficulties and difficulties to the construction. 而在国外,从上世纪80年代起,就开始广泛采用混凝土砌块形式作为加筋挡墙的面板,这种面板结构具有较强柔性特征,可适合不同地基在不同的载荷条件下产生的不同的变形,并且砌块面板自身具有较强的调节性, 同时具有一定的结构功用,例如,设置结构性的嵌固连接件;设置可种植植物的槽孔;调节水流的消能槽孔;鱼虾类水生动物的巢穴孔等等。 In foreign countries, since the 1980s, began as a widely used form of reinforced concrete block wall panels, this panel has a strong structure flexibility characteristics, may be different for different foundations produced under different loading conditions deformation, and the panel itself has a strong block adjustment, but also has the function of a certain structure, for example, provided a solid structural insert connector; slot disposed planted plants; regulate the flow of energy dissipation slots; fish shrimp aquatic animals nest hole and so on. 但这一些挡土砌块其选用的材料往往都是混凝土材料。 But some of the blocks Retaining its choice of materials are often concrete material.

[0003] 由普通的混凝土制成的挡墙块体,虽然比面板结构在重量上要小,但由于混凝土的密度为23kN/m3左右,使得小型块体也相对比较重。 [0003] The retaining wall blocks made of an ordinary concrete, while the weight ratio of the panel structure to be small, but since the density of concrete is about 23kN / m3, so that the small blocks are also relatively heavy. 比如规格为40cmX 30cmX 15cm的块体重量不低于25kg。 40cmX 30cmX 15cm specifications for such bulk weight of not less than 25kg.

[0004] 混凝土块体的缺点主要在于其不便人工抬起和搬移,因此在施工时时就显得比较困难,而在我国目前这种形式的挡墙如采用机械施工方式受到诸多条件的限制:施工场地的限制、施工企业的实力限制等等;其次,由于混凝土块体重量大,运输成本高;再者,随着经济的不断发展,对环境以及资源呈过度利用的趋势,对原材料的需求供不应求,制备混泥土的水泥、碎石等材料无论在价格和原材料供应上必将制约混泥土块体加筋挡墙的发展; 第四,目前在我国国内,劳动力相对较为富余、廉价。 [0004] The main disadvantage of concrete blocks in its inconvenience artificial lift and move, so it is always more difficult construction, and in our present form as a mechanical retaining wall construction method is limited by many conditions: the construction site limitations, restrictions, and so on the strength of construction enterprises; secondly, due to the large amount of weight concrete blocks, high transport costs; Moreover, as the economy continues to develop, the environment and over-exploitation of resources downward trend, demand for raw materials in short supply, preparation of concrete cement, gravel and other materials in terms of price and supply of raw materials will restrict the development of reinforced concrete block retaining wall; fourth, currently in our country, surplus labor is relatively cheap.

[0005] 而且在不同的工程应用领域以及实际中所遇到的地基土层条件的不同,往往进行不同的地基处理,以此来满足所选挡土墙型式的承载力要求,这无形中增加了施工的难度和繁琐性以及设计上的变更,加大了工程造价。 [0005] and in different applications and different engineering foundation soil conditions encountered in practice, often different foundation treatment, in order to meet the requirements of the selected type of retaining wall bearing capacity, which virtually increase construction difficulty and cumbersome as well as changes in design, increasing the project cost.

发明内容 SUMMARY

[0006] 针对现有技术存在的问题,本发明的目的在于提供一种重量轻、修筑墙体方式简单并可通过在块体中回填不同密度材料来保持配重的聚合物等合成材料类的挡土墙块体。 [0006] For the problem of the prior art, an object of the present invention to provide a lightweight, simple manner and to keep the construction of the wall polymer by weight backfill materials of different density in the bulk material like synthetic retaining wall blocks.

[0007] 为实现上述目的,本发明一种配载式挡土墙块体包括底板、面壁和左右侧壁构成, 所述面壁和左右侧壁均垂直于块体底板,底板、面壁和左右侧壁之间形成一个空腔,施工时可以在其中根据不同的地基原有承载力要求回填不同的重量材料,使得块体具有不同有效重量,以满足不同结构稳定要求;回填料的选用可采用不同密度的固体废弃物,如建筑垃圾、煤灰渣等等,可以有效地减少垃圾对环境的影响;多个挡墙块体通过形状配合彼此连接,形成为一挡墙面。 [0007] To achieve the above object, the present invention provides a retaining wall block with a carrier comprising a base, wall, and left and right side walls constituting the left wall and the side walls are perpendicular to the block bottom, bottom, left and right side walls, and backfill different selection may be employed; one cavity is formed between the walls, the construction may be different from the weight of the backfill material in which the bearing capacity according to the different requirements of the original, so that the blocks have different effective weight, to meet different requirements of structural stability the density of solid waste, such as construction waste, coal ash, etc., can effectively reduce the impact of waste on the environment; a plurality of retaining wall blocks to each other by a form-fit connection is formed as a retaining wall.

[0008] 进一步,所述两侧壁顶面上设有圆头柱状锚栓,所述底板上有与之对应的锚栓孔, 以此来实现挡墙块体之间的连接,锚栓孔可以为圆孔或宽度略大于柱状锚栓直径的矩形凹槽。 [0008] Further, the side walls is provided with a top surface of the round pillar-shaped bolt, the bolt hole has the corresponding bottom plate, in order to achieve connection between the anchor holes wall blocks It can be slightly larger than the rectangular grooves of circular cylindrical bolt diameter or width.

[0009] 进一步,所述侧壁上靠近面壁处设置错台,使得当上下两个块体连接后,上方块体相对于下方块体有向墙面后侧方向的位移,最终形成的墙面有一定的倾斜角度。 [0009] Further, the top wall is provided at the side wall near the upper dislocation, so that when the two upper and lower connection blocks, the block body has a lower block body is displaced with respect to the direction of the rear side of the wall, eventually forming wall a certain inclination angle.

[0010] 进一步,所述两侧壁间的距离定义为块体的宽度,底板、面壁和侧壁的厚度相同, 大约为块体的宽度的四分之一。 [0010] Further, the distance between the side walls defining the thickness of the block width, the floor, wall and the side wall of the same, around a quarter of the width of the block.

[0011] 进一步,所述底板、面壁和侧壁的内表面构成的回填空腔的体积占块体总体积的一半。 [0011] Further, half of the total volume of the block plate, the volume of backfill cavity wall and the inner surface of the side wall of the configured account.

[0012] 进一步,所述底板上设置有孔洞,孔洞可排出墙体结构中多余的水份,同时可使得植物根系通过孔洞延伸,从而为植物的生存提供更为有利的空间。 [0012] Further, the bottom plate is provided with holes, the holes in the wall structure can discharge excess water, while extending through the holes such that the plant roots, thereby providing a more favorable space for plant survival.

[0013] 进一步,所述底板上设置凹槽,凹槽可保留供植物生长的必要的水份,使得砌块内回填的土体料具有一定的湿度,更适合植物的生长,保持墙面较好的绿化效果。 [0013] Further, provided on the bottom plate of the recess, the recess can retain the necessary moisture for plant growth, such that the block backfill soil material having a certain humidity, more suitable for growing plants, more holding wall good greening effect.

[0014] 进一步,挡墙块体由聚合物制成。 [0014] Further, the retaining wall blocks made of a polymer.

[0015] 进一步,挡墙块体由便于压模的聚乙烯材料制成。 [0015] Further, the retaining wall blocks made of a polyethylene material facilitates stamper.

[0016] 本发明一种配载式挡土墙块体重量相对轻;便于搬动、抬起和长距离运输;施工时可以在墙面面层结构中回填不同的材料,使得块体重量增加以满足稳定要求;回填料的选用可采用固体废弃物,如建筑垃圾、煤灰渣等等,可以有效地减少垃圾对环境的影响;挡墙块体产品修筑墙体方式相对简单。 [0016] The present invention provides a retaining wall block with a carrier of relatively light weight; easy to move, lift and long-distance transport; different materials can backfill wall surface of the layer structure construction, so as to increase the weight of the block to meet stability requirements; selection of the backfill can be solid waste, such as construction waste, coal ash, etc., can effectively reduce the impact of waste on the environment; wall block wall construction products is relatively simple manner.

附图说明 BRIEF DESCRIPTION

[0017] 图1为本发明聚合材料挡墙块体前视图; [0017] Figure 1 is a front view of a retaining wall block of polymeric material to the invention;

[0018] 图2为图1中聚合材料挡墙块体顶视图; [0018] FIG. 2 is a polymeric material in a top view of the retaining wall block;

[0019] 图3为图1中聚合材料挡墙块体后视图; [0019] FIG. 3 is a polymeric material body rear view of a retaining wall block;

[0020] 图4为图1中聚合材料挡墙块体剖视图; [0020] FIG. 4 is a cross-sectional view of the polymeric material in a retaining wall block;

[0021] 图5为聚合材料挡墙垒筑侧视图; [0021] FIG. 5 is a side view of a polymeric material fortified wall;

[0022] 图6为图5中AA向剖视图; [0022] FIG. 6 is a sectional view taken along line AA 5;

[0023] 图7为图5中BB向剖面图; [0023] FIG. 7 is a cross-sectional view BB to FIG 5;

[0024] 图8为块体构筑挡墙前视效果图。 [0024] FIG. 8 is a front view of the block retaining wall constructed renderings.

具体实施方式 Detailed ways

[0025] 如图1至图4所示,配载式挡土墙块体10包括面壁1、底板2、左右侧壁3、4。 [0025] As shown in FIG. 1 to FIG. 4, with the carrier retaining wall block 10 comprises a wall 1, a bottom plate 2, the left and right side walls 3,4. 配载式挡土墙块体10选用合适的聚合物材料制成,如便于压模的聚乙烯。 10 is made of a suitable choice of polymeric materials such as polyethylene to facilitate stowage stamper retaining wall block. 配载式挡土墙块体10的宽度W1 (图2)为侧壁3和侧壁4的外表面之间距离;高度H1 (图3、4)为底板2的底面21与侧壁顶面22之间的距离;长度L1 (图2)为面壁1的前表面11与侧壁3、4的后表面12之间的距离。 The width W1 (FIG. 2) with the carrier retaining wall block 10 is the distance between the outer surfaces of the side walls 3 and side walls 4; height H1 (FIG. 3,4) of the bottom surface of the bottom plate 2 and the side wall 21 of the top surface the distance between 22; length L1 (FIG. 2) is a surface of a front wall of the distance between the rear surface 12 of the side walls 3, 4 and 11. 面壁1、底板2以及侧壁3和4围成回填料空腔5(图2),墙体施工时可回填诸如各类土体、建筑废弃物等固体回填料。 Walls 1, bottom 2 and side walls 3 and 4 enclose the backfill cavity 5 (FIG. 2), such as soil can be backfilled various types, construction waste and other solid wall construction when the backfill. 回填料空腔5的长度、宽度以及深度分别在块体长度、宽度和高度上减去相应面壁、侧壁以及底板的厚度。 Backfill cavity 5 of a length, a width and a depth corresponding to the thickness subtracting wall, side walls and a floor in the block length, width and height.

[0026] 节段式加筋挡墙面板结构采用挡墙块体时,块体必须具备足够的重量以此来保证一定的稳定性。 [0026] Reinforced segmental retaining wall when the retaining wall structure using the block, the block must have sufficient weight in order to guarantee some stability. 为满足所需的重量,配载式挡土墙块体10需要保证回填空腔5具有足够的体积,以此来回填一定量的各类回填料,回填料的密度,如土体或建筑废弃料,一般均大于配载式挡土墙块体10的密度,因此,回填后的配载式挡土墙块体10需具备大于块体聚合物材料密度的一个有效密度。 To meet the desired weight, with the carrier retaining wall block 10 having a cavity 5 backfilled need to ensure sufficient volume in order to backfilling backfill amount of various types, back-density filler, such as soil or waste building material, generally greater than the bulk density stowage Retaining member 10 is, therefore, after the backfilling stowage retaining wall block 10 need to have a material density greater than the bulk density of the polymer effective. 所述块体的有效密度定义为块体聚合材料重量即块体自重加回填体积5内回填材料的重量除以它们的体积之和。 Effective density of the block is defined as the weight of the polymeric material by weight of the block that is the weight of the block plus 5 backfilling backfill material divided by the volume thereof and the volume. 回填空腔5回填体积必须足够大,例如, 当回填密度为16kN/m3材料时,配载式挡土墙块体10的有效密度要不小于13kN/m3。 Backfill Backfill volume of cavity 5 must be large enough, e.g., when the density of the backfill 16kN / m3 material, with the effective density of the carrier retaining wall block 10 is either less than 13kN / m3. 在没有回填材料时块体重量相对较轻,便于搬运,但填充回填材料后具有足够的重量以此发挥挡墙面板结构中块体的作用。 In the absence of backfill material block relatively light in weight, easy to handle, but the filling backfilling material has sufficient weight in order to play a role in retaining wall structure of the block.

[0027] 配载式挡土墙块体10在侧壁3和4的上表面22上的柱状栓头60以及底板2上的栓孔62 (图2、图4)。 10 bolt head 60 and a cylindrical bolt hole 62 (FIG. 2, FIG. 4) on the base plate 2 [0027] Retaining Wall block loading on the upper surface of the side walls 3 and 4 of 22. 柱状栓头60与配载式挡土墙块体10相邻层的块体上栓孔共同发挥作用。 Block bolt holes 10 adjacent layer 60 and the columnar pin head retaining wall block loading function together. 图5中块体IOa和IOb上栓头60a、60b与放置的块体IOa和IOb上的块体IOc的栓孔62c共同发挥作用。 The block 5 and IOb IOa bolt head 60a, 60b with the placement of the block body and the block IOa IOb IOc of the bolt hole 62c work together. 块体IOa和IOb的栓孔位于块体IOa和IOb的底下(图中未给出)。 Block IOa and IOb bolt hole is located under the block of IOa and IOb (not shown in the drawing). 通过栓头60和栓孔62互销使得挡墙20的相邻各层块体限制它们水平向移动。 By bolt head 60 and bolt holes 62 such that the cross pin 20 adjacent wall layers block horizontal movement limit thereof. 柱状栓头60的直径略大于栓孔62的孔径,使得在修筑挡墙时块体间可相互调节(图6)。 The diameter of pin head 60 slightly larger than the pillar-shaped keyhole aperture 62, such that when the construction of retaining wall blocks can be adjusted with each other (FIG. 6). 柱状栓头60高度小于或等于栓孔62深度,这样使得上下配合的挡墙块体间无间隙,保证了挡墙整体的强度。 60 cylindrical bolt head height less than or equal the depth of the keyhole 62, so that no gap between the vertical wall with the blocks to ensure the overall strength of the wall.

[0028] 配载式挡土墙块体10在侧壁3和4的上表面上22上和面壁1的后表面处设有错台50(图4)。 [0028] Retaining loading block 10 and the upper surface of the rear wall 22 is provided with an error table 50 (FIG. 4) on the upper surface of the side walls 3 and 4. 与放置在配载式挡土墙块体10上层块体的面壁共同作用抵制该块体侧向移动,同时上下层块体面壁间留有一定的距离,为植物生产提供生长的孔隙。 And placed in the upper block body 10 with the carrier retaining wall block wall to resist the combined effect of the block-side to the mobile, while the lower block face walls leaving a certain distance, the pores provide a plant growing production. 进一步,错台50 使得整个墙体前表面有一坡度角α (图5)。 Further, such dislocation of the entire front surface of the wall 50 has a slope angle [alpha] (FIG. 5). 错台50的大小可选择不同的尺寸从而使得墙体坡角在15°到30°范围之间变化。 Wrong size selectable station 50 of different sizes so that the walls slope angle changes between 15 ° to 30 ° range. 同时,配载式挡土墙块体10的聚合物材料可以在施工现场有效地切除从而缩短错台以此来调节墙体坡角,使得同种块体可适合修建不同墙面角度的挡墙。 Meanwhile, loading the polymer material retaining wall block 10 may be cut to shorten effectively dislocation order to adjust the slope angle of the wall at the construction site, so that the same kinds of blocks can be constructed for different angles of the wall wall . [0029] 图1至图4中的柱状栓头只设置了两个,为提高互锁能力,可布置多个柱状栓头以及相应的栓孔。 [0029] Figures 1 to 4 in the column are provided only two bolt head, to enhance the ability of the interlock, can be arranged in a plurality of pillar-shaped bolt head and a corresponding keyhole. 底板2底面上的栓孔62可设置成宽度略大于柱状栓头直径、深度大于等于栓头高度的矩形凹槽,从而使得挡墙内上下层块体相互间可自由错位,而不一定为1/2错位,从而使得墙面具有更好装饰效果。 Keyhole bottom surface of the bottom plate 622 may be arranged to be slightly larger than the width of the columnar pin head diameter, equal to a depth greater than the height of the bolt head rectangular grooves, so that the lower block body on the inner wall with each other can be freely displaced, and not necessarily an / 2 misalignment, so that the wall has a better decorative effect.

[0030] 块体10在底板上设有功能孔64 (图2),可供植物根系生长,在修筑挡墙时植物的根茎可穿过该孔洞生长。 [0030] The block 10 is provided with holes 64 on the base plate function (FIG. 2), for root growth of plants, the roots of plants during the construction of the retaining wall may be grown through the hole. 这些植物根系能起到锚固配载式挡土墙块体10以及限制其侧向移动的作用,其次块体底板2上后部的功能孔64,亦起到方便搬运块体的作用,并且功能孔64可导滤上层块体回填料、墙后回填土、反滤层内的水体流至下层块体,从而便于水体的顺利排出,减小墙后水位对墙面不利因素。 These and plant roots 10 can play the role of limiting its lateral movement with anchor carrier retaining wall blocks, followed by the function block the holes 64 of the rear plate 2, also play a role to facilitate handling of the block, and the function an upper aperture 64 may be turned by filtration block backfill, backfill behind the wall, the water flow in the filtration layer to the lower block body, thereby facilitating smooth discharge of water, the water level is reduced after the wall of the disadvantages wall.

[0031] 图4中配载式挡土墙块体10底板2上表面设置为凹底形式,底面21低于面23,以此来保留一部分回填料中的水份,供植物生长所需。 In [0031] FIG. 4 stowage retaining wall block 10 is provided a concave bottom surface of the base plate 2 in the form, the bottom surface 21 below the surface 23, in order to retain the backfill portion of the feed water, the desired growth for plants.

[0032] 垒筑后的挡墙外观上如图8所示,类似鱼鳞状层层排列,其内部结构如图7所示, 相邻层之间交错紧密排列,从而尽可能提高整体的强度和稳定性。 [0032] As shown, similar to the arrangement of the layers of scaly appearance after the fortified wall 8, its internal structure shown in Figure 7, closely spaced staggered between adjacent layers, thereby improving the overall strength and possible stability.

Claims (8)

  1. 一种配载式挡土墙块体,包括底板、面壁和左右侧壁构成,所述面壁和左右侧壁均垂直于块体底板,其特征在于,底板上表面为凹底结构,底板、面壁和左右侧壁之间形成一个空腔,在施工时空腔内填充不同密度的回填料,通过调整墙面结构的重量来适应地基承载力;多个挡墙块体通过形状配合彼此紧密连接,形成为一面墙体。 One carrier-type retaining wall blocks ligand, comprising a floor, wall, and left and right side walls constituting the wall and the left and right side walls are perpendicular to the bottom block, characterized in that the concave bottom surface on the base structure, floor, wall formed between the left and right sidewalls of a cavity filled with different density in space and construction backfill cavity by adjusting the wall structure to accommodate the weight bearing capacity; tightly connecting a plurality of retaining wall blocks with each other by the shape, form to one side of the wall.
  2. 2.按照权利要求1所述的配载式挡土墙块体,其特征在于,所述两侧壁顶面上设有圆头柱状锚栓,所述底板上有与之对应的锚栓孔,以此来实现挡墙块体之间的连接,锚栓孔可以为圆孔或宽度略大于柱状锚栓直径的矩形凹槽。 2. The loading of the retaining wall block according to claim 1, characterized in that, on both sides with the round cylindrical wall anchor top surface of the corresponding bolt hole has a bottom plate , in order to achieve connection between the anchor holes may be slightly larger than the retaining wall blocks of circular cylindrical bolt diameter or width of the rectangular grooves.
  3. 3.按照权利要求2所述的配载式挡土墙块体,其特征在于,所述侧壁上靠近面壁处设置错台,使得当上下两个块体连接后,上方块体相对于下方块体有向墙面内侧方向的位移, 最终形成的墙面有一定的倾斜角度。 3. The loading of the retaining wall block of claim 2, wherein said top wall is provided at the side wall near the upper dislocation, so that when the upper and lower two blocks are connected, with respect to the block body a block body having inward displacement of the wall, the wall ultimately formed has a certain inclination angle.
  4. 4.按照权利要求1或2所述的配载式挡土墙块体,其特征在于,所述两侧壁间的距离定义为块体的宽度,底板、面壁和侧壁的厚度相同,大约为块体的宽度的四分之一。 4. stowage retaining wall block of claim 1 or according to claim 2, characterized in that the distance between the side walls defining the width of the block, the same as the thickness of the floor, wall and side walls, about a quarter of the width of the block.
  5. 5.按照权利要求1或2所述的配载式挡土墙块体,其特征在于,所述底板上设置有孔洞,孔洞可排出墙体结构中多余的水份,同时可使得植物根系通过孔洞延伸。 5. The loading of the retaining wall block 1 or claim 2, wherein the base plate is provided with holes, the holes can be discharged excess water in the wall structure, so that the plant roots can pass while holes extend.
  6. 6.按照权利要求1或2所述的配载式挡土墙块体,其特征在于,所述底板上设置凹槽, 凹槽可保留供植物生长的必要水份。 6. A loading or the retaining wall block according to claim 1 or 2, wherein a groove is provided on the bottom plate, the grooves may retain the necessary moisture for plant growth.
  7. 7.按照权利要求1或2所述的配载式挡土墙块体,其特征在于,挡墙块体由聚合物制成。 7. stowage retaining wall block of claim 1 or according to claim 2, characterized in that the retaining wall blocks made of a polymer.
  8. 8.按照权利要求7所述的配载式挡土墙块体,其特征在于,挡墙块体可由便于压模的聚乙烯材料制成。 8. The carrier as claimed in claim retaining wall block with claim 7, characterized in that the wall blocks can be made easy to mold polyethylene.
CN 200810006934 2008-01-25 2008-01-25 Loading planning type retaining wall block CN101225665B (en)

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CN102966118B (en) * 2012-11-28 2014-10-15 同济大学建筑设计研究院(集团)有限公司 Imitated double hexagonal prism honeycomb Staggered interlocking concrete block

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658098A (en) 1995-07-26 1997-08-19 Hercules Manufacturing, Inc. Polymeric retaining wall building block

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658098A (en) 1995-07-26 1997-08-19 Hercules Manufacturing, Inc. Polymeric retaining wall building block

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