CN107386050A - A kind of fabricated permeable sidewalk base course building block - Google Patents

A kind of fabricated permeable sidewalk base course building block Download PDF

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Publication number
CN107386050A
CN107386050A CN201710826500.4A CN201710826500A CN107386050A CN 107386050 A CN107386050 A CN 107386050A CN 201710826500 A CN201710826500 A CN 201710826500A CN 107386050 A CN107386050 A CN 107386050A
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CN
China
Prior art keywords
protuberance
building block
nip
block
depressed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710826500.4A
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Chinese (zh)
Inventor
杨英健
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Jiangsu Lvhe Environment Science And Technology Co Ltd
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Jiangsu Lvhe Environment Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Lvhe Environment Science And Technology Co Ltd filed Critical Jiangsu Lvhe Environment Science And Technology Co Ltd
Priority to CN201710826500.4A priority Critical patent/CN107386050A/en
Publication of CN107386050A publication Critical patent/CN107386050A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C15/00Pavings specially adapted for footpaths, sidewalks or cycle tracks
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2201/00Paving elements
    • E01C2201/12Paving elements vertically interlocking
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2201/00Paving elements
    • E01C2201/14Puzzle-like connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention discloses a kind of fabricated permeable sidewalk base course building block, belongs to permeable roadbed field.The building block of the present invention, including block main body, protuberance is provided with the middle part of a pair of relative sides of block main body, the both ends of protuberance are respectively equipped with the depressed part for another pair opposite flank for extending to block main body, complementary with the shape of protuberance after the depressed part split of adjacent two pieces of block main bodies;The lower section of protuberance is provided with upper nip portion, and the bottom of depressed part is provided with lower nip portion, and the shape of upper nip portion and lower nip portion is complementary.The porous base course building block of the present invention can form in horizontally and vertically direction interlock after mounting, and the anti-pressure ability on laying road surface greatly improved, can be laid directly as sub-surface on the soil layer of compacting, the road surface of laying has splendid permeable and water retention property;It is simple in construction, fabricated construction system is realized, can be recycled for urban road extension project, and also building block overall construction intensity is high, and not easy to break, anti-pressure ability is strong.

Description

A kind of fabricated permeable sidewalk base course building block
Technical field
The present invention relates to a kind of permeable building block in paving, is built more specifically to a kind of fabricated permeable sidewalk base course Block.
Background technology
With the continuous quickening of urbanization process, the continuous improvement of industrialization degree, hard surfacing paves area in city It is continuously increased with site coverage, causes the increase of ground rainwater run-off, lower milliosmolarity is reduced, and flood takes place frequently, harm aggravation.City is built Build and close most soils with the road of the laying such as cement so that valuable natural precipitation can not penetrate into soil, increasingly lose The groundwater resources of consumption cannot get timely compensation.In order to adapt to environmental change and reply natural calamity, " sponge city " concept quilt Put forward, it is new generation of city storm water man- agement concept, refers to the nature that city is brought in adaptation environmental change and reply rainwater Disaster etc. has good " elasticity ", water suction when rainy, water storage, infiltration, water purification, it is necessary to when by the water stored " release " simultaneously It is used, lifting urban ecological system function and the generation for reducing Urban Flood Waterlogging.
At present, in the urban infrastructure construction in China, the laying on road surface is an important ring for urban infrastructure, ground Face laying brick also develops to high density, high intensity direction, the problem of its compression strength is higher, but maximum be water penetration very Difference, this runs in the opposite direction with " sponge city " concept.In recent years, water-permeable brick becomes one of research and development focus, and these water-permeable bricks are big It is made of permeable aggregate and cement, there is preferable water permeability, but its intensity is relatively low, and compression strength is typically up to not To paving requirement, these water-permeable bricks are generally first tamped natural soil layer when mating formation, then on natural soil layer upper berth If concrete layer, stratum granulosum is subsequently laid on concrete layer, water-permeable brick is finally laid on stratum granulosum, it is permeable so as to complete Road surface is mated formation, but the laying method of this water-permeable brick is relatively complicated, laying the time length, and the water penetration of substrate concrete compared with Difference, cause whole road surface permeable ineffective.
In order to improve the anti-pressure ability after water-permeable brick laying, also occurs the water-permeable brick of many interlocking structures on the market, such as China Patent No. ZL201621449895.8, authorized announcement date are August in 2017 25, and invention and created name is:It is a kind of permeable The mutual neck brick of type, this application case are related to a kind of mutual neck brick of permeable, and it includes the brick body of rectangular-shape, relative both sides knot in brick body Structure all same, the side of brick body are provided with the interlock slot through setting, and the side that interlock slot is correspondingly provided with brick body is provided with two mutually Closing piece, two interlocking blocks of brick body the same side are symmetrical arranged along interlock slot, two be rotated by 90 ° after interlocking block and interlock slot clamping Coordinate;Interlocking block includes contiguous block and the limited block on the inside of contiguous block, and limited block is set close to interlock slot, and limited block is Straight quadrangular frustum pyramid shaped and it include the first joint face of rectangle, threeth joint face relative with the first joint face, connected positioned at first The second joint face between face and the 3rd joint face;On from contiguous block to the direction of corresponding limited block, the horizontal stroke of limited block Sectional area is gradually reduced.The water-permeable brick of this application case can have preferably interlocking position-limiting action, but it still has following lack Fall into:
(1) water-permeable brick sets the interlocking block of protrusion, the interlocking block of adjacent two pieces of water-permeable bricks and interlocking in interlock slot both sides Groove is engaged by clamping to form interlocking, and the water-permeable brick of this structure, its structure is relatively complicated, makes more troublesome;
(2) joint face is smaller between interlocking block and brick body, and when mating formation and after mating formation during use, interlocking block easily breaks Split and lose interlocked use;
(3) interlocked between interlocking block and interlock slot is difficult to produce with in-plane is only limitted on brick body thickness direction Raw stronger interlocked is used, therefore needs when water-permeable brick lay first to lay basic unit, otherwise easy the problems such as sinking, and this A little basic units greatly affected the water penetration of porous pavement.
The content of the invention
1. invention technical problems to be solved
It is an object of the invention to overcome existing water-permeable brick above shortcomings, there is provided a kind of fabricated permeable pavement Basic unit's building block, using technical scheme, the porous base course building block can be formed in horizontally and vertically direction after mounting Interlocking, the anti-pressure ability on laying road surface greatly improved, can lay, avoid on the soil layer of compacting directly as sub-surface Traditional laying process influences the problem of road surface water penetration, and the road surface of laying has splendid permeable and water retention property, and not Phenomena such as easily sinking;Meanwhile the interlocking structure being recessed using middle protrusion, both sides, it is not only simple in structure, it is easy to make, Fabricated construction system is realized, can be recycled for urban road extension project, and porous base course building block is integrally tied Structure intensity is high, can reach 5~10MPa, not easy to break, anti-pressure ability is strong.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the invention is:
A kind of fabricated permeable sidewalk base course building block of the present invention, including the generally block main body of rectangle, it is described Protuberance is equipped with the middle part of a pair of relative sides of block main body, the both ends of described protuberance, which are respectively equipped with, extends to block The depressed part of another pair opposite flank of block main body, the length of described protuberance are twice, adjacent two pieces of depressed part length It is complementary with the shape of protuberance after the depressed part split of block main body, make protuberance and the depressed part of adjacent block main body in level Direction forms interlocking;The lower section of described protuberance is provided with upper nip portion, and the bottom of described depressed part is provided with lower nip portion, institute The shape of the upper nip portion stated and lower nip portion is complementary, protuberance and the depressed part of adjacent block main body is formed in vertical direction Interlocking.
Further to be improved as of the invention, described upper nip portion is made up of protuberance bottom to the tapered plane of contract, Described lower nip portion is made up of the outwardly tapered plane in depressed part bottom, described upper nip portion and adjacent block main body Lower nip portion can mutually bond.
Further improved as of the invention, pass through chamfering chamfered transition between described protuberance and the depressed part at both ends.
Further improved as of the invention, the top surface edge of described block main body is provided with facial chamfering.
Further improved as of the invention, the dimensions of basic unit's building block is 600mm × 600mm × 200mm.
Further improved as of the invention, basic unit's building block is made up of permeable aggregate.
3. beneficial effect
Using technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of fabricated permeable sidewalk base course building block of the invention, it includes the block main body of generally rectangle, builds Protuberance is equipped with the middle part of a pair of relative sides of block main body, the both ends of protuberance, which are respectively equipped with, extends to block main body The depressed part of another pair opposite flank, it is complementary with the shape of protuberance after the depressed part split of adjacent two pieces of block main bodies, make convex Go out portion and the depressed part of adjacent block main body forms interlocking in the horizontal direction;The lower section of protuberance is provided with upper nip portion, depressed part Bottom be provided with lower nip portion, the shape of upper nip portion and lower nip portion is complementary, makes the depression of protuberance and adjacent block main body Portion forms in vertical direction and interlocked;The porous base course building block can form in horizontally and vertically direction interlock after mounting, significantly The anti-pressure ability on laying road surface is improved, can be laid directly as sub-surface on the soil layer of compacting, avoid traditional paving If the problem of technogenic influence road surface water penetration, the road surface of laying has splendid permeable and water retention property, and under being not in Phenomena such as falling into;Meanwhile using middle protrusion, the interlocking structure of both sides depression, it is not only simple in structure, easy to make, realization assembling Formula structural system, it can be recycled for urban road extension project, and porous base course building block overall construction intensity is high, can Reach 5~10MPa, not easy to break, anti-pressure ability is strong;
(2) a kind of fabricated permeable sidewalk base course building block of the invention, thereon nip portion inwardly received by protuberance bottom The tapered plane of contracting is formed, and lower nip portion is made up of the outwardly tapered plane in depressed part bottom, upper nip portion and adjacent block master The lower nip portion of body can mutually bond, and make basic unit by chamfering chamfered transition between protuberance and the depressed part at both ends Integrally without obvious weak area, protuberance structural strength is high for building block, and makes simply, and laying is easy to assembly;
(3) a kind of fabricated permeable sidewalk base course building block of the invention, the top surface edge of its block main body are additionally provided with Facial chamfering, road surfacing third dimension is strong, and easily facilitates the rain penetration of building block junction;
(4) a kind of fabricated permeable sidewalk base course building block of the invention, the dimensions of its basic unit's building block for 600mm × 600mm × 200mm, it is easy to standardized production, and lays assembling flexibly convenient, road surfacing efficiency high;
(5) a kind of fabricated permeable sidewalk base course building block of the invention, its basic unit's building block are made up of permeable aggregate, entirely certainly Dynamic machinery production production, basic unit's building block porosity of making is high, and water penetration is strong, low manufacture cost.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of fabricated permeable sidewalk base course building block of the present invention;
Fig. 2 is a kind of main structure diagram of fabricated permeable sidewalk base course building block of the present invention;
Fig. 3 is a kind of side structure schematic view of fabricated permeable sidewalk base course building block of the present invention;
Fig. 4 is a kind of overlooking the structure diagram of fabricated permeable sidewalk base course building block of the present invention;
Fig. 5 is a kind of laying view of fabricated permeable sidewalk base course building block of the present invention.
Label declaration in schematic diagram:
1st, block main body;2nd, protuberance;21st, upper nip portion;22nd, chamfering inclined-plane;3rd, depressed part;31st, lower nip portion;4th, face Portion's chamfering.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
With reference to shown in Fig. 1 to Fig. 4, a kind of fabricated permeable sidewalk base course building block of the present embodiment, basic unit building block master It is used for the laying of the roads such as pavement, it includes the block main body 1 of generally rectangle, and a pair of the block main body 1 are relative Protuberance 2 is equipped with the middle part of side, another pair opposite flank can use planar structure, and the both ends of protuberance 2, which are respectively equipped with, prolongs The depressed part 3 of another pair opposite flank of block main body 1 is extended, the length of protuberance 2 is twice of the length of depressed part 3, adjacent It is complementary with the shape of protuberance 2 after the split of depressed part 3 of two pieces of block main bodies 1, make the recessed of protuberance 2 and adjacent block main body 1 Fall into portion 3 and form interlocking in the horizontal direction, i.e. one and protuberance 2 are formed after the split of depressed part 3 of adjacent two pieces of block main bodies 1 The complementary complete sunk structure of shape, protuberance 2 can accurately bond with the complete sunk structure, so, in some building blocks After main body 1 is assembled into road surface, each block main body 1 is mutually locked in the road level direction laid first.Also, protuberance 2 lower section is provided with upper nip portion 21, and the bottom of depressed part 3 is provided with lower nip portion 31, the shape of upper nip portion 21 and lower nip portion 31 Shape is complementary, protuberance 2 and the depressed part 3 of adjacent block main body 1 is formed and is interlocked in vertical direction, that is, in some building block masters After body 1 is assembled into road surface, protuberance 2 is being pressed together on the depressed part 3 of adjacent block main body 1 perpendicular to road surface direction, so that Each in the vertical direction of block main body 1 also mutually compresses, so, when the block main body 1 of part is pressurized, the institute of block main body 1 The pressure born can be distributed in peripheral blocks main body 1, so as to greatly improved laying after road surface anti-pressure ability.So far, A kind of fabricated permeable sidewalk base course building block of the present embodiment, it can be formed interlock in horizontally and vertically direction after mounting, The anti-pressure ability on laying road surface greatly improved, also just because of above-mentioned block structure is used, block main body 1 can be directly as Sub-surface, it is only necessary to paving can be assembled after soil layer is carried out into compacting processing, without laying the base layer structures such as concrete layer, significantly The pavement process of permeable building block is simplified, avoids the problem of traditional laying process influences road surface water penetration, the road surface tool of laying There is splendid permeable and water retention property, and be less prone to phenomena such as sagging.Meanwhile compared with existing interlocking water-permeable brick, this A kind of fabricated permeable sidewalk base course building block of embodiment, using middle protrusion, the interlocking structure of both sides depression, not only design It is ingenious, it is simple in construction, it is easy to make, fabricated construction system is realized, can be recycled for urban road extension project, And building block overall construction intensity is high, can reach 5~10MPa, not easy to break, anti-pressure ability is strong.
Hookup 1 is to shown in Fig. 4, a kind of fabricated permeable sidewalk base course building block of the present embodiment, thereon nip portion 21 It is made up of the bottom of protuberance 2 to the tapered plane of contract, lower nip portion 31 is by the outwardly tapered plane structure in the bottom of depressed part 3 Into the lower nip portion 31 of upper nip portion 21 and adjacent block main body 1 can mutually be bonded, also, protuberance 2 and the depression at both ends Pass through the transition of chamfering inclined-plane 22 between portion 3.Using said structure, make basic unit's building block integrally without obvious weak area, the knot of protuberance 2 Structure intensity is high, and makes simply, and laying is easy to assembly.Specifically, referring to shown in Fig. 2 and Fig. 3, there is protrusion in block main body 1 In portion 2 and the side of depressed part 3, its top and bottom has one section of planar section perpendicular to the upper surface of block main body 1, wherein, The planar section that the planar section of crown center protrudes from bottom forms protuberance 2, and the planar section of top both sides is depressed in the flat of bottom Face section forms depressed part 3, and upper nip portion 21 is to connect crown center planar section and the inclined-plane of base plane section, lower nip portion 31 As connection top both sides planar section and the inclined-plane of base plane section, i.e., upper nip portion 21 as shown in Figure 3 and lower nip portion The 31 " V " shape structures formed, using above-mentioned upper nip portion 21 and the lower structure of nip portion 31, can not only make adjacent two pieces of building blocks Between can transmit pressure, and the upper nip portion 21 of ramp structure and lower nip portion 31 will can vertically press to the pressure of building block The pressure transmission of horizontal direction is decomposed into adjacent building block, so can further improve the resistance to compression energy on laid road surface Power.Certainly, the structure of upper nip portion 21 and lower nip portion 31 is not limited to above-mentioned ramp structure, can also use concavo-convex mutual The structures such as the curved surface of benefit, such as lower nip portion 31 are the cambered surface of depression, and upper nip portion 21 is the cambered surface of protrusion, and both equally can Realize that the interlocked of vertical direction is used.In addition, protuberance 2 and depressed part 3 are also not limited to the above-mentioned top planes of block main body 1 Structure, such as protuberance 2 may be designed in the inclined-plane protruded by the upper table of block main body 1 top that surface extends downwards, recessed It is the inclined-plane that may be designed as being protruded by the bottom of the upper table of block main body 1 surface extension downwards to fall into portion 3, similar to being removed in Fig. 3 The remaining center section of the lateral plane sections of the top and bottom of block main body 1, but such structure has problems in that block The structural strength of the edge of block main body 1 is relatively low, easily because collide with and caused by chipping the problems such as.
In addition, in the present embodiment, the top surface edge of block main body 1 is additionally provided with facial chamfering 4, road surfacing third dimension By force, and the rain penetration of building block junction is easily facilitated.It is further preferred that the dimensions of basic unit's building block be 600mm × 600mm × 200mm, it is easy to standardized production, and lays assembling flexibly convenient, road surfacing efficiency high.Basic unit's building block is excellent Choosing is made of permeable aggregate, is bonded for example with concrete coarse aggregate by cement, using full-automatic mechanical system Produce, manufactured building block porosity is high, and water penetration is strong, low manufacture cost, and structural strength is high, can reach 5~10MPa.
As shown in figure 5, the laying view for fabricated permeable sidewalk base course building block.During laying assembling, first will Soil layer compacting is smooth, and one layer of stratum granulosum then can be laid on soil layer, lays basic unit's building block afterwards.When laying basic unit's building block, The side wall of the planar structure of the block main body 1 of same row is stitched together, forms the depressed part 3 of adjacent two pieces of block main bodies 1 One complete, complementary with protuberance 2 sunk structure, so as to form the concavo-convex knot being alternately present in row's block main body 1 Structure;The block main body 1 of adjacent two row staggers the distance of half of block main body 1, makes the protuberance 2 of the block main body 1 of second row firm Good mutually to be bonded with the sunk structure formed in first row by two depressed parts 3, the protuberance 2 of the block main body 1 of first row is also firm It is good mutually to be bonded with the sunk structure formed in second row by two depressed parts 3;It can be sequentially completed according to the assembling of above-mentioned rule The quick laying in water route face, lay efficiency high.
A kind of fabricated permeable sidewalk base course building block of the present embodiment, it is primarily useful for using in the construction on pavement, But its application is not limited thereto, it also can be used in all kinds of block decking systems, also make available for river course slope protection etc. With its good water penetration solves traditional paving blocks and isolates surface flow with soil and cause milliosmolarity under ground rainwater to subtract The problems such as few.
A kind of fabricated permeable sidewalk base course building block of the present invention, the permeable building block after mounting can be horizontal and perpendicular Nogata to formed interlock, greatly improved laying road surface anti-pressure ability, can directly as sub-surface compacting soil layer Upper laying, the problem of traditional laying process influences road surface water penetration being avoided, the road surface of laying has splendid water permeability, and And it is less prone to phenomena such as sagging;Meanwhile using middle protrusion, the interlocking structure of both sides depression, be not only simple in structure, make and It is easy to assembly quick, and building block overall construction intensity is high, can reach 5~10MPa, not easy to break, anti-pressure ability is strong.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in accompanying drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical scheme Similar frame mode and embodiment, protection scope of the present invention all should be belonged to.

Claims (6)

1. a kind of fabricated permeable sidewalk base course building block, including the generally block main body (1) of rectangle, it is characterised in that:Institute Protuberance (2), the both ends point of described protuberance (2) are equipped with the middle part of a pair of relative sides of the block main body (1) stated The depressed part (3) of another pair opposite flank of block main body (1) She You not be extended to, the length of described protuberance (2) is recessed Fall into portion (3) length twice, it is complementary with the shape of protuberance (2) after depressed part (3) split of adjacent two pieces of block main bodies (1), Protuberance (2) and the depressed part (3) of adjacent block main body (1) is set to form interlocking in the horizontal direction;Under described protuberance (2) Side is provided with upper nip portion (21), and the bottom of described depressed part (3) is provided with lower nip portion (31), described upper nip portion (21) and The shape of lower nip portion (31) is complementary, protuberance (2) and the depressed part (3) of adjacent block main body (1) is formed in vertical direction Interlocking.
A kind of 2. fabricated permeable sidewalk base course building block according to claim 1, it is characterised in that:Described upper pressing Tapered plane of the portion (21) from protuberance (2) bottom to contract is formed, described lower nip portion (31) from depressed part (3) bottom to The tapered plane of outer protrusion is formed, and the lower nip portion (31) of described upper nip portion (21) and adjacent block main body (1) can be mutual Bond.
A kind of 3. fabricated permeable sidewalk base course building block according to claim 2, it is characterised in that:Described protuberance (2) chamfering inclined-plane (22) transition is passed through between the depressed part (3) at both ends.
A kind of 4. fabricated permeable sidewalk base course building block according to claim 3, it is characterised in that:Described building block master The top surface edge of body (1) is provided with facial chamfering (4).
A kind of 5. fabricated permeable sidewalk base course building block according to Claims 1-4 any one, it is characterised in that: The dimensions of basic unit's building block is 600mm × 600mm × 200mm.
A kind of 6. fabricated permeable sidewalk base course building block according to claim 5, it is characterised in that:Basic unit's building block by Permeable aggregate is made.
CN201710826500.4A 2017-09-14 2017-09-14 A kind of fabricated permeable sidewalk base course building block Pending CN107386050A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109137666A (en) * 2018-08-10 2019-01-04 天津府宁建筑工程有限公司 A kind of vibration damping road structure and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109137666A (en) * 2018-08-10 2019-01-04 天津府宁建筑工程有限公司 A kind of vibration damping road structure and its construction method

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