阅读说明：本技术 一种透水砌块路面透水功能修复技术 (Permeable block pavement permeable function repairing technology ) 是由 侯磊 邓徐 饶杰 傅晓日 郭春辉 王宗葳 于 2020-05-21 设计创作，主要内容包括：本发明提供了一种透水砌块路面透水功能修复技术,包括如下步骤：S1：首先测量定位,选定透水模块需更换的原有透水砖,并标记位置,S2：拆除选定的透水砖,在透水粘结找平层上钻孔,S3：钻孔完成后用真空泵吸出孔内浮渣及灰尘,洒水润湿后,再插入排水管道至透水混凝土基层的内部,S4：排水管道安装后破除原有的透水粘结找平层,清理四周砌块侧壁浮渣,填筑快硬水泥砂浆,S5：快硬水泥砂浆的底面高度与排水管道的顶部平齐,侧面涂抹量根据透水模块与空缺间隙确定,该方法利用分布式透水砌块,将地表径流汇集后,通过管道导流至透水基层,最后渗入地下,具有施工方便、运行维护简便、经济性高等优点。(The invention provides a technology for repairing the permeable function of a permeable block pavement, which comprises the following steps: s1: firstly, measuring and positioning, selecting the original water permeable brick needing to be replaced by the water permeable module, marking the position, and S2: removing the selected water permeable bricks, drilling holes in the water permeable bonding leveling layer, S3: after drilling, sucking out scum and dust in the holes by using a vacuum pump, after watering and wetting, inserting a drainage pipeline into the permeable concrete base layer, and S4: breaking original bonding screed-coat that permeates water after the drainage pipe installation, the building block lateral wall dross all around of clearance fills fast and hard cement mortar, S5: the bottom surface height of the quick-hardening cement mortar is flush with the top of the drainage pipeline, the side coating amount is determined according to the permeable module and the gap, the method collects surface runoff by utilizing the distributed permeable building blocks, then leads the surface runoff to the permeable base layer through the pipeline, and finally permeates underground, and the method has the advantages of convenience in construction, simplicity and convenience in operation and maintenance, high economy and the like.)

1. The technology for repairing the permeable function of the permeable block pavement is characterized by comprising the following steps:

s1: firstly, measuring and positioning, selecting the original water permeable brick (1) of the water permeable module (2) to be replaced, and marking the position;

s2: removing the selected water permeable bricks (1), and drilling holes on the water permeable bonding leveling layer (4);

s3: after drilling, sucking out floating slag and dust in the hole by using a vacuum pump, spraying water to moisten the floating slag and the dust, and then inserting a drainage pipeline (3) into the permeable concrete base layer (6);

s4: after the drainage pipeline (3) is installed, the original water-permeable bonding leveling layer (4) is broken, scum on the side walls of the building blocks at the periphery is cleaned, and quick-hardening cement mortar (5) is filled;

s5: the bottom surface of the quick-hardening cement mortar (5) is flush with the top of the drainage pipeline (3), and the side surface coating amount is determined according to the permeable module (2) and the vacant gap;

s6: and finally, pressing the water permeable module (2) in, knocking by a rubber hammer to enable the water permeable module (2) to be flush with the ground surface, and covering and maintaining for a plurality of days by using a plastic film to open the traffic.

2. The repair technology for the water permeable function of the permeable block pavement according to claim 1, wherein in S2, the diameter of the hole and the external diameter of the implanted drainage pipeline (3) are more than 1-2 mm.

3. The repair technique for road surface water permeability function of water permeable block according to claim 1, wherein in S3, the pipe wall of the drainage pipe (3) is drilled and coated with geotextile with one end facing downward.

Technical Field

The invention relates to the technical field of municipal public works, in particular to a technology for repairing the water permeable function of a permeable block pavement.

Background

The permeable pavement is an important component part for sponge city construction, and the permeable pavement bricks (boards) are one of main materials for permeable pavement, and are widely adopted in the sponge city construction in China in recent years, and related products comprise: the sand-based water permeable bricks, the cement water permeable bricks, the ceramic water permeable bricks and the like have smooth surfaces, various colors and shapes, compressive strength superior to that of water permeable concrete and over 40MPa, can form various paving effects through combination of different colors and specifications, are widely applied to places such as roads, parks, parking lots, squares, commercial streets and the like, and play an important role in relieving urban drainage pressure, supplementing underground water, maintaining ecological balance, relieving urban heat island effect, beautifying environment and the like.

In the process of implementing the invention, the following problems in the prior art are found to be at least not solved: because the pavior brick (board) that permeates water is full section permeable structure, whole permeable interface all faces the challenge of the rate decay of permeating water in the in service, and the macroscopic pore on the concrete surface that permeates water can't prevent the invasion of pollutants such as ground dust, causes blockking up gradually of pore to lead to the gradual decay of the rate of permeating water, to the pavior brick (board) that permeates water that has blockked up gradually, except adopting high-pressure squirt to carry out surface cleaning to it, can't carry out inside clearance. If the blockage is continuously developed, the water permeable pore channel is completely blocked, the water permeable structure loses the water permeable function, the phenomenon is particularly prominent in northern areas of China, and after 1-2 years, part of urban water permeable pavement brick (board) clothes show obvious attenuation or basic loss of the water permeable rate, so that natural resources are wasted, higher engineering maintenance cost is consumed, and a lot of inconvenience is brought to users if pavement bricks are replaced.

Therefore, a permeable function repairing technology of the permeable block pavement is provided.

Disclosure of Invention

The invention aims to provide a technology for repairing the permeable function of a permeable block pavement, which utilizes distributed permeable blocks to collect surface runoff, guide the surface runoff to a permeable base layer through a pipeline and finally permeate the underground.

A permeable function repairing technology for a permeable block pavement comprises the following steps:

s1: firstly, measuring and positioning, selecting the original permeable brick of the permeable module to be replaced, and marking the position;

s2: removing the selected water permeable bricks, and drilling holes on the water permeable bonding leveling layer;

s3: after drilling, sucking out floating slag and dust in the hole by using a vacuum pump, spraying water to moisten the floating slag and the dust, and then inserting a drainage pipeline into the permeable concrete base layer;

s4: after the drainage pipeline is installed, breaking the original permeable bonding leveling layer, cleaning floating slag on the side wall of the building block at the periphery, and filling quick-hardening cement mortar;

s5: the bottom surface height of the quick-hardening cement mortar is flush with the top of the drainage pipeline, and the side surface smearing amount is determined according to the permeable module and the gap

S6: and finally, pressing the permeable module in, knocking the permeable module by a rubber hammer to enable the permeable module to be flush with the ground surface, and covering and maintaining the permeable module by a plastic film for several days to open the traffic.

Preferably, in S2, the diameter of the hole is larger than 1-2mm with the external diameter of the implanted drainage pipeline.

Preferably, in S3, the pipe wall of the drainage pipe is drilled and one end of the geotextile is wrapped downward.

Compared with the prior art, the invention has the beneficial effects that:

the invention recovers the water permeable effect of the existing pavement structure by replacing a small amount of water permeable modules, the surface runoff can permeate to the underground again, the service effect and the functional service life of the existing structure are prolonged, the method avoids large-scale demolition and repair to the greatest extent, does not need large machinery in the implementation process, effectively reduces the resource waste and the influence of the construction process on surrounding residents and the environment, has the same appearance as the original permeable building blocks, is uniformly distributed on the original road surface, does not influence the beauty, can be widely used, not only can the water permeation function be recovered, but also the water permeation rate of the pavement structure can be readjusted by adjusting the specification and the distribution density of the drainage modules and the implantation depth of the drainage pipeline, can surpass the design upper limit that permeates water of existing mechanism, the drainage pipe after the restoration is more convenient for maintain, and accessible normal position is cleared up, resumes the effect of permeating water, further prolongs the life-span of permeating water of structure of mating formation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall flow chart of the present invention;

FIG. 2 is a cross-sectional view of the permeable structure pavement structure of the present invention;

fig. 3 is a schematic structural diagram of the water permeable module of the present invention.

Description of reference numerals:

1. water permeable bricks; 2. a water permeable module; 3. a water discharge pipeline; 4. a water-permeable bonding leveling layer; 5. quick hardening cement mortar; 6. a pervious concrete base layer; 7. and (4) breaking a stone base layer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a technical solution:

a technology for repairing the water permeable function of a permeable block pavement, as shown in figure 1, comprises the following steps:

s1: firstly, measuring and positioning, selecting the original permeable brick 1 of the permeable module 2 to be replaced, and marking the position;

s2: removing the selected water permeable bricks 1, and drilling holes on the water permeable bonding leveling layer 4, wherein the aperture and the external diameter of the implanted drainage pipeline 3 are larger than 1-2 mm;

s3: after drilling, sucking out scum and dust in the holes by using a vacuum pump, after watering and wetting, inserting the drainage pipeline 3 into the permeable concrete base layer 6, and drilling holes on the pipeline wall of the drainage pipeline 3 and covering one end of the geotextile downwards;

s4: after the drainage pipeline 3 is installed, the original permeable bonding leveling layer 4 is broken, scum on the side wall of the building block at the periphery is cleaned, and quick-hardening cement mortar 5 is filled;

s5: the bottom surface height of the rapid-hardening cement mortar 5 is flush with the top of the drainage pipeline 3, and the side surface coating amount is determined according to the water permeable module 2 and the vacant gap;

s6: and finally, pressing the water permeable module 2 in, knocking by a rubber hammer to enable the water permeable module 2 to be flush with the ground surface, and covering and maintaining for a plurality of days by using a plastic film to open the traffic.

As an embodiment of the present invention:

a permeable brick paving structure of a parking lot in a certain residential area adopts 300mm (length) multiplied by 150mm (width) multiplied by 80mm (height) specification A-level permeable bricks for paving a permeable brick surface layer, a 40mm sand filter layer is adopted as a permeable bonding leveling layer, the thickness of a permeable concrete base layer is 200mm, the thickness of a natural graded broken stone layer is 200mm, the designed permeability coefficient is 0.2mm/s, the permeable brick surface layer is blocked, the permeability coefficient is attenuated to 0.02mm/s, and the following layers are not blocked. The method of the invention is adopted to recover the water permeability function, make up the water permeability coefficient loss of 0.18mm/s, and determine that the newly added water permeability coefficient is 0.2mm/s (200ml/s square meter) considering that the water permeability coefficient of the water permeable brick surface layer can be continuously attenuated. The specific parameters of the embodiment are shown in the following table, and the structure is shown in figures 2 and 3.

The upper table is the laying density designed based on the maximum water permeability requirement, the laying density can be properly adjusted by combining the difference of local rainfall intensity and engineering positions, and the construction sequence is as follows: firstly, measuring and positioning, selecting the original permeable brick 1 of the permeable module 2 to be replaced, marking the position, secondly, removing the selected permeable brick 1, drilling a hole in the permeable bonding leveling layer 4, wherein the hole diameter is 62mm, the depth is 142mm, sucking out scum and dust in the hole by using a vacuum pump after the hole is drilled, inserting the drainage pipe 3 into the permeable concrete base layer 6 after the hole is wetted by sprinkling water, drilling the hole in the pipe wall and covering one end of the geotextile downwards, then using 12MPa cement mortar to construct the leveling layer again, installing the permeable module, and putting into use after covering and maintaining for 3 days.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.