CN106951645B

CN106951645B - Construction method and system of urban sponge structural body with communicated sponge geologic body and drainage

Info

Publication number: CN106951645B
Application number: CN201710178530.9A
Authority: CN
Inventors: 陈树铭; 张乐; 叶望; 杨宇文; 陈超东
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-23
Filing date: 2017-03-23
Publication date: 2020-05-19
Anticipated expiration: 2037-03-23
Also published as: CN106951645A

Abstract

The invention provides a method and a system for constructing an urban sponge structural body with a sponge geologic body communicated with drainage, wherein the method comprises the following steps: acquiring data based on an urban surface sponge structure, a sponge geologic body of the urban geologic body and a non-sponge address structure, and performing three-dimensional sponge geologic body modeling; aiming at different types of urban ground, generating an underground three-dimensional sponge geological body model at the corresponding position and a high-quality three-dimensional sponge geological body model at the adjacent periphery; and according to the underground three-dimensional sponge geological body model and the high-quality three-dimensional sponge geological body models existing at the adjacent peripheries, combining the drainage communication structure of the city, and constructing intelligent city sponge body models in a classified manner. The invention discloses a method for constructing an urban cavernous body comprehensive structure by integrating an urban surface spongy structure, a horizontal water seepage communication structure, a vertical water seepage communication structure and an underground cavernous geological layer structure.

Description

Construction method and system of urban sponge structural body with communicated sponge geologic body and drainage

Technical Field

The invention relates to the technical field of urban sponge structural bodies, in particular to a method and a system for constructing an urban sponge structural body with a sponge geologic body communicated with drainage.

Background

With the development of Chinese urbanization and the prominent urban waterlogging problem, the country pays attention to the construction of sponge cities and has a series of related policy documents. In the guidance opinions of the office of the state department on promoting the construction of the sponge city (the state's issuance of No. [2015] 75), the sponge city is an urban development mode which can fully play the functions of absorbing, storing and permeating and slowly releasing rainwater of ecological systems such as buildings, roads, greenbelts, water systems and the like by strengthening urban planning construction management, effectively control rainwater runoff and realize natural accumulation, natural permeation and natural purification.

The main technical framework of the existing sponge city is that rainwater is directly filtered and collected into underground soil or ditches through greening and water seepage road surface materials (including water seepage floor bricks, water seepage concrete and the like) so as to eliminate the ponding disaster brought to the ground by rainfall and provide support for urban drainage, flood control, improvement of urban traffic in rainfall environment and the like.

The influence on the urban efficiency of the sponge mainly comprises three parts: (1) the urban surface sponge structure is the connectivity and water collection capacity of the urban surface; (2) an urban geologic body sponge structure, i.e., a permeable geologic body; (3) the urban drainage communication structure can effectively communicate catchment to a specific geologic body sponge structure, a drainage pipe network, a ditch, a river, a lake and the like.

From the main technical framework of the existing sponge city, the drainage communication structure in the system is only isolated, organic spatial association is not established between the catchment capacity and the geologic body sponge structure, the drainage pipe network, the ditch, the river and the lake and the like, the collected rainwater quantity is not matched with the rainwater absorption capacity of the specific sponge structure body connected through the communication structure, and the performance of the sponge structure body cannot be fully exerted. The value and the function of the sponge city can be really played only by the city sponge structure which is comprehensively constructed based on the trinity of the city surface sponge structure, the city geologic body sponge structure and the city drainage communication structure.

Disclosure of Invention

The object of the present invention is to solve at least one of the technical drawbacks mentioned.

Therefore, the invention aims to provide a method and a system for constructing an urban sponge structural body with a sponge geologic body communicated with drainage.

In order to achieve the above object, an embodiment of the present invention provides a method for constructing an urban sponge structure in which a sponge geologic body is communicated with drainage, including the following steps:

step S1, acquiring data of a sponge geologic body and a non-sponge geologic structure based on an urban surface sponge structure and an urban geologic body, and modeling a three-dimensional sponge geologic body;

step S2, aiming at different types of urban ground, generating an underground three-dimensional sponge geologic body model at the corresponding position and a high-quality three-dimensional sponge geologic body model at the adjacent periphery;

and step S3, constructing intelligent city cavernous body models in a classified manner according to the underground three-dimensional cavernous body models and the high-quality three-dimensional cavernous body models existing in the adjacent peripheries and by combining the drainage communication structure of the city.

Further, in the step S1,

the urban surface sponge structure comprises: the ground surface greening sponge structure, the ground surface pavement sponge structure and the ground surface field sponge structure;

the urban geologic body sponge structure comprises:

(1) the structure of the A-type sponge geologic body: the sponge geological layer is exposed on the earth surface in a large area, and has large total volume and good connectivity;

(2) the structure of the B-type sponge geologic body, wherein the geologic layer of the sponge is partially exposed on the earth surface, but the total volume is small or the connectivity is poor;

(3) the class C sponge geologic body structure, the most part of sponge geologic body is buried under the earth's surface.

Further, in step S3, the urban drainage communication structure includes:

(1) horizontal infiltration intercommunication structure: paving a water seepage material or a geotechnical water seepage material under the ground to construct a horizontal water seepage communication structure;

(2) vertical infiltration intercommunication structure: and laying geotextile under the ground to construct a vertical water seepage communication structure.

Further, in the step S3, according to different types of the urban ground surface sponge structure, the urban geological body sponge structure and the urban drainage communication structure, the method includes the following steps:

(1) constructing an urban surface sponge structure for the urban surface sponge structure and the sponge geological layer structure;

(2) for the urban ground surface sponge structure, the vertical water seepage communication structure and the underground sponge geological layer structure, constructing a numerical value water seepage communication structure between the ground surface and the underground sponge geological layer structure to construct the urban ground surface sponge structure;

(3) constructing a horizontal water seepage communication structure and an urban ground surface sponge structure for the urban ground surface sponge structure, the horizontal water seepage communication structure and the sponge geological layer structure;

(4) for an urban ground surface sponge structure, a horizontal water seepage communication structure, a vertical water seepage communication structure and an underground sponge geological layer structure, constructing the vertical water seepage communication structure, communicating the vertical water seepage communication structure with the underground sponge geological layer structure, constructing the horizontal water seepage communication structure and constructing the urban ground surface sponge structure;

(5) building a surface water directional convergence system, a horizontal water seepage communication structure and an underground sponge geological layer structure for the urban surface sponge structure, the surface water directional convergence system, the horizontal water seepage communication structure and the urban surface sponge structure;

(6) building a surface water directional confluence system, a catchment water accumulation area and an underground sponge geological layer structure to construct a vertical water seepage communication structure, a horizontal water seepage communication structure and an underground sponge geological layer structure, and constructing the urban surface sponge structure;

(7) and for the urban surface sponge structure, the surface water directional confluence system and the drainage pipe network and canal, constructing the surface water directional confluence system, constructing a vertical water seepage communication structure between the catchment water accumulation area and the underground sponge geological layer structure, constructing a horizontal water seepage communication structure, and constructing the urban surface sponge structure.

The embodiment of the invention provides a construction system of an urban sponge structural body with a sponge geologic body communicated with drainage, which comprises: a three-dimensional sponge geologic body modeling module, a geologic body model generating module and an intelligent city cavernous body model constructing module, wherein,

the three-dimensional sponge geologic body modeling module is used for acquiring data of a city surface sponge structure, a sponge geologic body of the city geologic body and a non-sponge geologic structure and modeling the three-dimensional sponge geologic body;

the geological body model generation module is used for generating an underground three-dimensional sponge geological body model at the corresponding position and a high-quality three-dimensional sponge geological body model existing at the adjacent periphery aiming at different types of urban ground;

the intelligent city cavernous body model building module is used for building intelligent city cavernous body models in a classified mode according to the underground three-dimensional cavernous body model and the high-quality three-dimensional cavernous body models existing in the adjacent peripheries and by combining with the drainage communication structure of the city.

Further, the urban surface sponge structure comprises: the ground surface greening sponge structure, the ground surface pavement sponge structure and the ground surface field sponge structure;

the urban geologic body sponge structure comprises:

Further, the drainage communication structure of the city includes:

Further, the different types of intelligent city cavernosum model construction module according to city earth's surface sponge structure, city geologic body sponge structure and the drainage intercommunication structure in city include:

According to the construction method and the system of the urban sponge structural body with the sponge geologic body communicated with the drainage, the method and the system have the following beneficial effects:

1. the invention relates to a sponge city construction system based on the fine modeling of a sponge geologic body.

2. According to the method, based on the spatial distribution characteristics of the sponge geological layers corresponding to different earth surfaces, a targeted scheme is adopted to construct an optimized structural system of the urban sponge.

3. The invention carries out the structural construction of the urban cavernous body based on the modes of the urban ground surface cavernous structure, the urban geologic body cavernous structure and the urban drainage communication structure.

4. The invention provides a method for constructing an urban cavernous body comprehensive structure by integrating an urban surface spongy structure and a spongy geological layer structure.

5. The invention provides a method for constructing an urban cavernous body comprehensive structure by integrating an urban surface spongy structure, a vertical water seepage communication structure and an underground cavernous geological layer structure.

6. The invention provides a method for constructing an urban cavernous body comprehensive structure by integrating an urban surface spongy structure, a horizontal water seepage communication structure and a cavernous geological layer structure.

7. The invention provides a method for constructing an urban cavernous body comprehensive structure by integrating an urban ground surface spongy structure, a horizontal water seepage communication structure, a vertical water seepage communication structure and an underground cavernous geological layer structure.

8. The invention provides a method for constructing an urban cavernous body comprehensive structure by integrating an urban surface spongy structure, a surface water directional confluence structure, a horizontal water seepage communication structure and a cavernous geological layer structure.

9. The invention provides a method for constructing an urban sponge comprehensive structure by integrating an urban surface sponge structure, a surface water directional confluence structure, a horizontal water seepage communication structure, a vertical water seepage communication structure and an underground sponge geological layer structure.

10. The invention provides a method for constructing a comprehensive structure of an urban cavernous body by integrating an urban surface spongy structure, surface water directional confluence and drainage pipe networks and canals.

11. The invention can be used in the fields of planning, designing, constructing and the like of sponge cities, urban landscaping, urban squares and the like.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a flow chart of a method of constructing an urban sponge structure with a sponge body in communication with drainage according to an embodiment of the invention;

FIG. 2 is a frame diagram of an urban sponge structure based on a drainage communication structure and a sponge geological body according to an embodiment of the invention;

FIG. 3 is a schematic diagram illustrating classification of a sponge structure of an urban geologic body according to an embodiment of the present invention;

fig. 4 is a basic flow chart of a method for building an urban sponge structure based on a drainage communication structure and a sponge geologic body according to an embodiment of the invention;

fig. 5(a) to (c) are a vertical sectional view, a design schematic view and a construction flow chart of a three-dimensional space communication model of a geologic body sponge structure according to an embodiment of the invention;

FIGS. 6(a) to (d) are a vertical sectional view, a design schematic view and a construction flow chart of a three-dimensional space communication model of a geologic body sponge structure according to a second embodiment of the invention;

fig. 7(a) to (d) are a vertical sectional view, a design schematic diagram and a construction flow chart of a three-dimensional space communication model of a geologic body sponge structure according to a third embodiment of the invention;

fig. 8(a) to (e) are a vertical sectional view, a design schematic view and a construction flow chart of a three-dimensional space communication model of a geologic body sponge structure according to a fourth embodiment of the invention;

9(a) to (e) are vertical sectional views, design schematic diagrams and construction flow charts of a three-dimensional space communication model of a geologic body sponge structure according to a fifth embodiment of the invention;

fig. 10(a) to (f) are a vertical sectional view, a design schematic view and a construction flow chart of a three-dimensional space communication model of a geologic body sponge structure according to a sixth embodiment of the invention;

11(a) to (d) are vertical sectional views, design schematic diagrams and construction flow charts of a three-dimensional space communication model of a geologic body sponge structure according to a seventh embodiment of the invention;

fig. 12 is a structural view of a construction system of an urban sponge structure in which a sponge body is in communication with drainage water according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The embodiment of the invention provides a method for constructing an urban sponge structural body with a sponge geologic body communicated with drainage, which comprises the following specific processes: firstly, three-dimensional sponge geologic body modeling is carried out on a sponge geologic body part and a non-sponge geologic body part based on an urban geologic body, then, aiming at different types of urban grounds (including but not limited to grasslands, pavements, fields and the like), a three-dimensional sponge geologic body model corresponding to the underground positions and a high-quality three-dimensional sponge geologic body model existing at the adjacent periphery of the urban grounds are determined, and then, a rain and flood communication structure is constructed by combining natural catchment of the terrain, horizontal drainage materials and vertical drainage materials to classify and construct intelligent urban sponges, so that the method and the application of the integrated system construction of rain and flood filtering, drainage and storage of rain and flood through the urban ground structure, the rain and flood communication structure, the sponge geologic body, a drainage pipe network, a channel, a reservoir, a lake, a pond and the like are realized.

As shown in fig. 1, the method for constructing an urban sponge structure with a sponge geologic body and drainage communication according to the embodiment of the invention comprises the following steps:

and step S1, acquiring data of the spongy geological body and the non-spongy geological structure based on the urban surface spongy structure and the urban geological body, and performing three-dimensional spongy geological body modeling.

In this step, referring to fig. 2, the urban surface sponge structure includes: earth's surface afforestation sponge structure, earth's surface road surface sponge structure, earth's surface place sponge structure.

According to the exposed condition of the spongy geological layer on the earth surface and the integral connectivity of the spongy geological layer in the urban geological body sponge structure, the spongy geological layer is divided into three categories, as shown in the attached figure 3. 1 denotes a spongy geological layer (permeable) and 2 a non-spongy geological layer (impermeable).

The urban geologic body sponge structure includes:

and step S3, constructing intelligent city sponge models in a classified manner according to the underground three-dimensional sponge model and the high-quality three-dimensional sponge model existing in the adjacent periphery and combining the drainage communication structure of the city.

In one embodiment of the present invention, a drainage communication structure of a city includes:

(1) horizontal infiltration intercommunication structure: the horizontal water seepage communication structure is mainly constructed by paving water seepage materials such as gravels or geotechnical water seepage materials under the ground such as grasslands, road surfaces, fields and the like.

(2) Vertical infiltration intercommunication structure: the vertical water seepage communication structure is mainly constructed by laying vertical sandstone wells, drainage plates and other geotextiles under the ground such as grasslands, pavements, fields and the like.

In step S3, referring to fig. 4, according to different types of the urban ground surface sponge structure, the urban geological body sponge structure and the urban drainage communication structure, the method includes the following steps:

The city sponge structure body construction method based on the drainage communication structure and the sponge geologic body comprises the following steps:

1. investigation and analysis stage

(1) And collecting related geological drilling, geological survey data and the like aiming at the area where the sponge city needs to be built.

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, and a geological sponge structure three-dimensional model and a space communication model are obtained.

2. Design phase

And based on the three-dimensional model of the geologic body sponge structure and the space communication model obtained in the last step, carrying out accurate design on the sponge city by dividing the model into seven classes according to three classes of the city geologic body sponge structure.

(1) Based on the fact that the construction area confirmed in the investigation stage is of the A-type sponge geological body structure, sponge city engineering scheme design is carried out according to the concept of 'city surface sponge structure + sponge geological layer structure'. Namely, the urban ground surface sponge structure is directly paved on the sponge geological layer.

(2) The construction area confirmed based on the investigation phase is of a sponge geological body structure of A class, and when the sponge geological layers are unevenly distributed on the exposed part of the earth surface, the design of the urban sponge engineering scheme is carried out according to the thought of urban earth surface sponge structure, horizontal water seepage communicated structure and sponge geological layer structure. Lay level infiltration intercommunication structure, city earth's surface sponge structure from the bottom up in proper order on the sponge geological formation promptly, make the infiltration ability more even.

(3) The construction area confirmed based on the investigation phase is of a non-A-type sponge geological body structure, and sponge urban engineering scheme design is carried out according to the urban surface sponge structure, the vertical water seepage communicated structure and the sponge geological layer structure. Lay vertical infiltration intercommunication structure between sponge geological formation and earth's surface promptly, then lay city earth's surface sponge structure at the earth's surface, make city earth's surface sponge structure and sponge geological formation communicate through vertical infiltration intercommunication structure.

(4) The construction region confirmed based on the investigation phase is of a non-A-type sponge geological body structure, and when a B-type sponge geological body structure exists in the region, the design of the urban sponge engineering scheme is carried out according to the thought of urban surface sponge structure + horizontal water seepage communicated structure + vertical water seepage communicated structure + sponge geological layer structure. Lay vertical infiltration extending structure promptly between sponge geological formation and earth's surface, then lay level infiltration extending structure and city earth's surface sponge structure from the bottom up in proper order, make level infiltration extending structure and sponge geological formation communicate through vertical infiltration extending structure, level infiltration extending structure's effect lies in making the infiltration ability more even.

(5) The construction region confirmed based on the reconnaissance phase is of a non-A-type sponge geological body structure, terrain reconstruction can be carried out on the region to enable the region to have water collection capacity, enable a water collection final target region to be effectively communicated with the A-type sponge geological body structure, and design of the urban sponge engineering scheme is carried out according to the thought of 'urban surface sponge structure + surface water directional confluence system + horizontal water seepage communication structure + underground sponge geological layer structure'. The catchment is guided to the A-type sponge geological body structure area through the surface water directional confluence system, and then the catchment is communicated with the underground sponge geological body structure through the horizontal water seepage communication structure.

(6) The construction region confirmed based on the reconnaissance phase is of a non-A-type sponge geological body structure, the region can be subjected to terrain reconstruction, so that the region has water collection capacity, a water collection final target region can be effectively communicated with a better non-A-type sponge geological body structure (namely the cost of a centralized arrangement vertical water seepage communication structure is relatively low), and the design of the urban sponge engineering scheme is carried out according to the thought of 'urban surface sponge structure + surface water directional convergence + horizontal water seepage communication structure + vertical water seepage communication structure + underground sponge geological layer structure'. The catchment is guided to a better non-A-type sponge geological body structure area through a surface water directional confluence system, and a vertical water seepage communication structure is arranged in a concentrated mode, so that the catchment is communicated with an underground sponge geological layer structure in the better non-A-type sponge geological body structure.

(7) The method is characterized in that a construction area confirmed in a surveying stage can be subjected to terrain reconstruction to enable the construction area to have water catchment capacity, a catchment final target area can be effectively communicated with drainage channels such as drainage pipe networks, ditches and rivers, and the like, and city sponge engineering scheme design is carried out according to the concept of city surface sponge structure and surface water directional convergence and drainage pipe networks, ditches, rivers, lakes and the like according to conditions. The surface water is directly communicated with a drainage pipe network, a ditch, a river or lake and the like through surface water directional confluence.

3. Construction stage

And based on the 7 types of design achievements obtained in the last step, carrying out comprehensive construction on the sponge city according to the corresponding 7 types of flows.

(1) The construction is carried out according to the design scheme of 'urban surface sponge structure + sponge geological layer structure', and the basic construction flow is as follows:

and (3) directly constructing a ground surface sponge structure on the ground surface.

(2) Construct according to "city earth's surface sponge structure + level infiltration intercommunication structure + sponge geological stratification structure" design, basic construction flow is:

①, constructing a horizontal water seepage communication structure;

secondly, building a sponge structure on the surface of the city.

(3) Construct according to "city earth's surface sponge structure + vertical infiltration intercommunication structure + secret sponge geological stratification structure" design, basic construction flow is:

firstly, a vertical water seepage communication structure is built between the earth surface and an underground sponge geological layer structure;

secondly, building a sponge structure on the surface of the city.

(4) Construct according to "city earth's surface sponge structure + horizontal infiltration connection structure + vertical infiltration connection structure + secret sponge geological stratification structure" design, basic construction flow is:

firstly, building a vertical water seepage communication structure and communicating the structure to an underground sponge geological formation structure;

②, constructing a horizontal water seepage communication structure;

and thirdly, building a sponge structure on the surface of the city.

(5) According to "city earth's surface sponge structure + surface water to converging system + level infiltration intercommunication structure + underground sponge geological stratification structure" design scheme be under construction, basic construction flow is:

①, constructing a surface water directional confluence system, namely correcting the terrain to realize natural confluence;

②, constructing a horizontal water seepage communication structure;

and thirdly, building a sponge structure on the surface of the city.

(6) According to "city earth's surface sponge structure + surface water to converging + horizontal infiltration connection structure + vertical infiltration connection structure + secret sponge geological stratification structure" design is under construction, and basic construction flow is:

secondly, a vertical water seepage communicating structure is built between the catchment water accumulation area and the underground sponge geological layer structure;

constructing a horizontal water seepage communication structure;

fourthly, building a sponge structure on the surface of the city.

(7) The construction is carried out according to the design scheme of 'sponge structure on the urban ground surface + directed surface water convergence + drainage pipe network, ditch, river and lake and the like', and the basic process flow is as follows:

secondly, building a sponge structure on the surface of the city.

As shown in fig. 12, the system for constructing an urban sponge structure in which a sponge geologic body is communicated with drainage water according to the embodiment of the present invention includes: the system comprises a three-dimensional sponge geologic body modeling module 1, a geologic body model generating module 2 and an intelligent city cavernous body model constructing module 3.

Specifically, the three-dimensional sponge geologic body modeling module 2 is used for acquiring data of a sponge geologic body and a non-sponge geologic body structure based on an urban surface sponge structure and an urban geologic body, and performing three-dimensional sponge geologic body modeling.

In an embodiment of the invention, the three-dimensional sponge geologic body modeling module 2 is used for acquiring data based on an urban surface sponge structure, a sponge geologic body of an urban geologic body and a non-sponge geologic structure, and performing three-dimensional sponge geologic body modeling;

the geological body model generation module 2 is used for generating an underground three-dimensional sponge geological body model at the corresponding position and a high-quality three-dimensional sponge geological body model existing at the adjacent periphery of the underground three-dimensional sponge geological body model aiming at different types of urban ground;

the intelligent city cavernous body model building module 3 is used for building intelligent city cavernous body models in a classified mode according to underground three-dimensional cavernous body models and high-quality three-dimensional cavernous body models existing in adjacent peripheries and by combining with a drainage communication structure of the city.

Specifically, the different types of intelligent city cavernosum model construction module 3 according to the drainage intercommunication structure in city earth's surface sponge structure, city geologic body sponge structure and city include:

The method and system for constructing an urban sponge structure with a sponge geologic body and drainage communication according to the embodiments of the present invention will be described with reference to the first to seventh embodiments.

Example 1: sponge structure construction method and process for A-type sponge geologic body structure with uniformly distributed sponge geologic layers on exposed parts of earth surface

1. Application conditions

Applicable to all urban floor types including, but not limited to, lawns, pavements, fields, etc. in parks, squares, cells, roads, etc.

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in the following figure 5 (a).

3. Design phase

And confirming that the construction area is the A-type sponge geological body structure based on the geological body sponge structure three-dimensional space communication model obtained in the last step, and the sponge geological layers are uniformly distributed on the exposed part of the earth surface, so that the sponge urban engineering scheme design is carried out according to the concept of 'urban earth surface sponge structure + sponge geological layer structure'.

The city earth's surface sponge structure is directly laid on sponge geological formation promptly, just can realize that surface water passes through earth's surface sponge structure and directly permeates and save to sponge geological formation. The design schematic is shown in fig. 5(b) below.

4. Construction stage

And (3) directly constructing a ground surface sponge structure on the ground surface. The construction flow is as shown in FIG. 5 (c).

Example 2: sponge structure construction method and process for A-type sponge geologic body structure with uneven distribution of sponge geologic layers on exposed parts of earth surface

1. Application conditions

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in fig. 6 (a).

3. Design phase

And confirming that the construction area is the A-type sponge geologic body structure based on the geologic body sponge structure three-dimensional space communication model obtained in the last step, and the sponge geologic layers are unevenly distributed on the exposed part of the earth surface, so that the sponge city engineering scheme design is carried out according to the thought of city earth surface sponge structure, horizontal water seepage communication structure and sponge geologic layer structure.

The horizontal water seepage communication structure and the urban ground surface sponge structure are laid on the sponge geological layer from bottom to top in sequence, and therefore surface water can permeate and be stored to the sponge geological layer sequentially through the ground surface sponge structure and the horizontal water seepage communication structure. Wherein, the effect of horizontal infiltration intercommunication structure lies in making the infiltration ability more even. The design schematic is shown in fig. 6(b) below.

4. Construction stage

The basic construction process comprises the following steps:

firstly, a horizontal water seepage communication structure is arranged, as shown in the following figure 6 (c).

② an urban ground surface sponge structure, as shown in the following figure 6 (d).

Example 3: general sponge structure construction method and process of non-A-type sponge geologic body structure

1. Application conditions

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in the following figure 7 (a).

3. Design phase

And confirming that the construction area is a non-A-type sponge geologic body structure based on the geologic body sponge structure three-dimensional space communication model obtained in the last step, so that sponge city engineering scheme design is carried out according to the thought of city earth surface sponge structure, vertical water seepage communication structure and sponge geologic layer structure.

Lay vertical infiltration intercommunication structure between sponge geological formation and earth's surface promptly, then lay city earth's surface sponge structure at the earth's surface, make city earth's surface sponge structure and sponge geological formation communicate through vertical infiltration intercommunication structure, just can realize that surface water loops through earth's surface sponge structure, vertical infiltration intercommunication structure to sponge geological formation infiltration and savings. The design schematic is shown in fig. 7(b) below. Wherein, 1 represents the spongy geological formation (permeable), 2 represents the non-spongy geological formation (impermeable), 3 represents the urban surface spongy structure, and 4 represents the vertical water penetration communicating structure.

4. Construction stage

The basic construction process comprises the following steps:

① vertical water seepage communication structure is built between the earth surface and the underground sponge geological formation structure, as shown in the following figure 7 (c).

Wherein, 1 represents a sponge geological formation (permeable), 2 represents a non-sponge geological formation (impermeable), and 4 represents a vertical water penetration communicating structure.

② an urban ground surface sponge structure, as shown in the following figure 7 (d).

Wherein, 1 represents the spongy geological formation (permeable), 2 represents the non-spongy geological formation (impermeable), 3 represents the urban surface spongy structure, and 4 represents the vertical water penetration communicating structure.

Example 4: sponge structure construction method and process for non-A-type sponge geologic body structure and B-type sponge geologic body structure in area

1. Application conditions

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in the following figure 8 (a). Wherein 1 denotes a spongy geological layer (permeable) and 2 denotes a non-spongy geological layer (impermeable).

3. Design phase

Based on the three-dimensional space communication model of the geological body spongy structure obtained in the previous step, the fact that the construction area is a non-A type sponge geological structure is confirmed, and a B type sponge geological structure exists in the area, so that sponge city engineering scheme design is carried out according to the thought of city earth surface spongy structure + horizontal water seepage communication structure + vertical water seepage communication structure + sponge geological layer structure.

Lay vertical infiltration extending structure promptly between sponge geological formation and earth's surface, then lay level infiltration extending structure and city earth's surface sponge structure from the bottom up in proper order, make level infiltration extending structure and sponge geological formation communicate through vertical infiltration extending structure, just can realize that surface water loops through earth's surface sponge structure, level infiltration extending structure, vertical infiltration extending structure to sponge geological formation infiltration and savings. Wherein, the effect of horizontal infiltration intercommunication structure lies in making the infiltration ability more even. The design schematic is shown in fig. 8(b) below. Wherein, 1 represents sponge geological formation (infiltration), 2 represents non-sponge geological formation (infiltration), 3 represents horizontal infiltration intercommunication structure, 4 represents vertical infiltration intercommunication structure, and 5 represents city earth's surface sponge structure.

4. Construction stage

The basic construction process comprises the following steps:

a vertical water seepage communicating structure is arranged and communicated with an underground sponge geological formation structure, as shown in the following figure 8 (c).

② a horizontal water seepage communicating structure, as shown in the following figure 8 (d).

Wherein, 1 represents the sponge geological formation (permeable), 2 represents the non-sponge geological formation (impermeable), 3 represents the horizontal water seepage communicating structure, and 4 represents the vertical water seepage communicating structure.

thirdly, the sponge structure of the urban ground surface is arranged, as shown in the following figure 8 (e).

Wherein, 1 represents sponge geological formation (infiltration), 2 represents non-sponge geological formation (infiltration), 3 represents horizontal infiltration intercommunication structure, 4 represents vertical infiltration intercommunication structure, and 5 represents city earth's surface sponge structure.

Example 5: sponge structure construction method and process for non-A-type sponge geologic body structure and enabling terrain reconstruction of area to enable area to have catchment capacity and enable catchment final target area to be effectively communicated with A-type sponge geologic body structure

1. Application conditions

Suitable for use in urban terrain types where terrain remodeling may be performed include, but are not limited to, lawns, pavements, fields, etc. in parks, squares, cells, roads, etc.

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in fig. 9 (a). Wherein 1 denotes a spongy geological layer (permeable) and 2 denotes a non-spongy geological layer (impermeable).

3. Design phase

Based on the three-dimensional space communication model of the geological body spongy structure obtained in the previous step, the fact that the construction area is a non-A-type sponge geological structure is confirmed, terrain reconstruction can be conducted on the area, the area has water collection capacity, a water collection final target area can be effectively communicated with the A-type sponge geological structure of an adjacent area, and therefore sponge city engineering scheme design is conducted according to the thought of city earth surface spongy structure + surface water directional convergence system + horizontal water seepage communication structure + sponge geological layer structure.

The catchment is guided to the A-type sponge geological body structure area through the surface water directional confluence system, then the catchment and the sponge geological layer structure are communicated through the urban surface sponge structure and the horizontal water seepage communication structure in sequence, and then the surface water can permeate and be stored to the sponge geological layer through the surface water directional confluence system, the surface sponge structure and the horizontal water seepage communication structure in sequence. Wherein, the effect of horizontal infiltration intercommunication structure lies in making the infiltration ability more even. The design schematic is shown in fig. 9(b) below. Wherein, 1 represents a sponge geological formation (permeable), 2 represents a non-sponge geological formation (impermeable), 3 represents a horizontal water penetration communication structure, and 4 represents an urban ground surface sponge structure.

4. Construction stage

The basic construction process comprises the following steps:

first, a surface water directional confluence system is provided, that is, a topography is corrected so that natural confluence can be realized, as shown in fig. 9(c) below.

Wherein 1 represents a spongy geological layer (permeable) and 2 represents a non-spongy geological layer (impermeable)

② a horizontal water seepage communicating structure is arranged as shown in the following figure 9 (d).

Wherein, 1 represents a spongy geological layer (permeable), 2 represents a non-spongy geological layer (impermeable), and 3 represents a horizontal water permeable communicating structure.

thirdly, the sponge structure of the urban ground surface is arranged, as shown in the following figure 9 (e).

Wherein, 1 represents a sponge geological formation (permeable), 2 represents a non-sponge geological formation (impermeable), 3 represents a horizontal water penetration communication structure, and 4 represents an urban ground surface sponge structure.

Example 6: sponge structure body construction method and process for non-A-type sponge geologic body structure, wherein terrain reconstruction can be carried out on the area to enable the area to have water collection capacity, and the water collection final target area and the better non-A-type sponge geologic body structure (namely the cost of the centralized arrangement of vertical water seepage communication structures is relatively low) can be effectively communicated

1. Application conditions

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in the following figure 10 (a). Wherein 1 denotes a spongy geological layer (permeable) and 2 denotes a non-spongy geological layer (impermeable).

3. Design phase

Based on the three-dimensional space communication model of the geological body spongy structure obtained in the last step, the fact that the construction area is a non-A type sponge geological structure is confirmed, and terrain reconstruction can be carried out on the area to enable the area to have water collection capacity, enable a water collection final target area to be effectively communicated with the non-A type sponge geological structure with the excellent adjacent area (namely the cost of the centralized arrangement of the vertical water seepage communication structure is relatively low), and therefore sponge city engineering scheme design is carried out according to the thought of 'urban surface spongy structure + surface water directional confluence system + horizontal water seepage communication structure + vertical water seepage communication structure + underground sponge geological structure'.

The catchment is guided to the area of better non-A type sponge geological body structure through the surface water directional confluence system, and the vertical water seepage communication structure is arranged in a concentrated mode, so that the catchment is communicated with the underground sponge geological body structure in the better non-A type sponge geological body structure, and the surface water can permeate and be stored to the sponge geological body through the surface water directional confluence system, the surface sponge structure, the horizontal water seepage communication structure and the vertical water seepage communication structure in sequence. Wherein, the effect of horizontal infiltration intercommunication structure lies in making the infiltration ability more even. The design schematic is shown in fig. 10(b) below. Wherein, 1 represents sponge geological formation (infiltration), 2 represents non-sponge geological formation (infiltration), 3 represents horizontal infiltration intercommunication structure, 4 represents vertical infiltration intercommunication structure, and 5 represents city earth's surface sponge structure.

4. Construction stage

The basic construction process comprises the following steps:

first, a surface water directional confluence system is provided, that is, a topography is corrected so that natural confluence can be realized, as shown in fig. 10(c) below.

Wherein 1 denotes a spongy geological layer (permeable) and 2 denotes a non-spongy geological layer (impermeable).

secondly, a vertical water seepage communicating structure is built between the catchment water accumulation area and the underground sponge geological layer structure, as shown in the following figure 10 (d).

and thirdly, a horizontal water seepage communication structure is arranged, as shown in the following figure 10 (e).

(iv) the sponge structure of the urban ground surface is shown in the following FIG. 10 (f).

Example 7: sponge structure construction method and process for constructing area capable of carrying out terrain reconstruction to enable the area to have catchment capacity and enable a catchment final target area to be effectively communicated with drainage channels such as drainage pipe networks, ditches, rivers and lakes

1. Application conditions

2. Investigation and analysis stage

(2) Based on the achievement of the previous step, the stratum is divided into two categories of permeable sponge geological layers and impermeable non-sponge geological layers, geological three-dimensional modeling is carried out, a three-dimensional space communication model of the geological sponge structure is obtained, and a vertical section schematic diagram is shown in the following fig. 11 (a). Wherein 1 represents a drainage pipe network, a ditch, a river, a lake and the like, and 2 represents a non-sponge geological layer (impermeable to water).

3. Design phase

And confirming that the region can be subjected to terrain reconstruction to enable the region to have water catchment capacity and the final catchment target region to be effectively communicated with drainage channels such as drainage pipe networks, ditches, rivers and lakes and the like based on the three-dimensional space communication model of the geologic body sponge structure obtained in the last step, so that sponge city engineering scheme design is carried out according to the thinking of 'urban surface sponge structure + surface water directional confluence + drainage pipe networks, ditches, rivers and lakes and the like'.

The surface water is directly communicated with a drainage pipe network, a ditch, a river and a lake and the like through the surface water directional confluence, so that the surface water can be discharged to the drainage pipe network, the ditch, the river and the lake and the like through the surface water directional confluence system in sequence. The design schematic is shown in fig. 11(b) below. Wherein, 1 represents a drainage pipe network, a ditch, a river, a lake and other drainage channels, 2 represents a non-sponge geological layer (impermeable), and 3 represents a city surface sponge structure.

4. Construction stage

The basic construction process comprises the following steps:

first, a surface water directional confluence system is provided, that is, a topography is corrected so that natural confluence can be realized, as shown in fig. 11(c) below.

Wherein 1 represents drainage or water storage facilities such as drainage pipe networks, ditches, rivers and lakes, and 2 represents a non-sponge geological layer (impermeable to water).

② an urban ground surface sponge structure, as shown in the following figure 11 (d).

Wherein, 1 represents drainage or water storage facilities such as drainage pipe network, ditch, river and lake, 2 represents non-sponge geological formation (impermeable), and 3 represents city earth surface sponge structure.

The invention relates to a method and a system for constructing an urban sponge structure body with communicated sponge geologic bodies and drainage, which have the following purposes:

1. the invention can be used for sponge city planning, design and construction.

2. The invention can be used for urban landscaping planning, design and construction.

3. The invention can be used for planning, designing and constructing urban squares.

4. The invention can be used for planning, designing and constructing urban road networks.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A method for constructing an urban sponge structure body with a sponge geologic body communicated with drainage is characterized by comprising the following steps:

step S1, acquiring data of a sponge geologic body and a non-sponge geologic structure based on an urban surface sponge structure and an urban geologic body, and modeling a three-dimensional sponge geologic body; wherein, city earth's surface sponge structure includes: the ground surface greening sponge structure, the ground surface pavement sponge structure and the ground surface field sponge structure;

the structure of the sponge geologic body of the urban geologic body comprises:

(3) the structure of a class C sponge geological body, wherein most of the sponge geological layer is buried below the earth surface;

step S3, according to the underground three-dimensional sponge geologic body model and the high-quality three-dimensional sponge geologic body model existing at the adjacent periphery, and in combination with the drainage communication structure of the city, an intelligent city sponge body model is constructed in a classified manner;

the method comprises the following steps of:

2. The method for constructing an urban sponge structure with a drainage communication between a sponge geologic body as claimed in claim 1, wherein in step S3, the urban drainage communication structure comprises:

3. The utility model provides a city sponge structural body's of sponge geologic body and drainage intercommunication system which characterized in that includes: a three-dimensional sponge geologic body modeling module, a geologic body model generating module and an intelligent city cavernous body model constructing module, wherein,

wherein, city earth's surface sponge structure includes: the ground surface greening sponge structure, the ground surface pavement sponge structure and the ground surface field sponge structure;

the structure of the sponge geologic body of the urban geologic body comprises:

the intelligent city cavernous body model building module is used for building intelligent city cavernous body models in a classified manner according to the underground three-dimensional cavernous body model and the high-quality three-dimensional cavernous body models existing in the adjacent peripheries in combination with the drainage communication structure of the city, wherein the intelligent city cavernous body model building module comprises the following components according to different types of the city surface cavernous body structure, the structure of the cavernous body of the city cavernous body and the drainage communication structure of the city:

4. The system for constructing urban sponge structures with communicated drainage from sponge bodies as claimed in claim 3, wherein the urban drainage communication structure comprises: