CN113174904A - Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city - Google Patents
Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city Download PDFInfo
- Publication number
- CN113174904A CN113174904A CN202110460407.2A CN202110460407A CN113174904A CN 113174904 A CN113174904 A CN 113174904A CN 202110460407 A CN202110460407 A CN 202110460407A CN 113174904 A CN113174904 A CN 113174904A
- Authority
- CN
- China
- Prior art keywords
- building block
- construction
- prefabricated building
- retaining wall
- novel retaining
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Revetment (AREA)
Abstract
The invention discloses a construction method of an open channel of a sponge city for a downward-seeping and stagnation-storage ecological landscape, which comprises the following steps: construction preparation, location unwrapping wire, precipitation construction, earthwork excavation, domatic level and smooth, the construction of two-way osmotic membrane, graded rubble are backfilled, prefabricated building block installation and segmentation accept, the prefabricated building block installation is including the prefabricated building block preparation of novel retaining wall, the prefabricated building block maintenance of novel retaining wall and the transportation of novel retaining wall prefabricated building block. The novel retaining wall prefabricated building block adopted by the invention has the advantages that the mortar connection is not needed, the damage of non-renewable resources is reduced, the noise of a construction site is low, the waste and wastewater discharge is reduced, the construction environment completely accords with the urban development trend of green and environment protection, compared with the traditional slope protection structure, the novel retaining wall prefabricated building block is not easy to generate the conditions of cracks, collapse, fracture and the like due to the local deformation of a bank slope, the integral stability can be kept, the novel retaining wall prefabricated building block is more suitable for silty clay, the geology with higher underground water level, and meanwhile, aquatic plants can be planted in brick holes, so that the novel retaining wall prefabricated building block is more environment-friendly and ecological.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a construction method for an open channel of a downward-osmosis ecological landscape in a sponge city.
Background
Along with the development of the south of the Shanxi economic transformation city, the urbanization process is accelerated continuously, the urban ecological problem becomes a barrier for restricting the development of national economy, the problems of waterlogging, drought after rain, shortage of water resources and the like are caused frequently due to the increase of the impervious area of the city and the hardening of the underlying surface, the sponge city featuring natural accumulation, natural infiltration and natural purification is constructed by means of measures such as infiltration, stagnation, storage, purification and the like, the sponge city becomes a sustainable development city construction mode, along with the vigorous development of scientific technology, the development of the sponge city is emphasized more and more, and the ecological slope protection technology is popularized and applied vigorously in the development process of the sponge city.
Disclosure of Invention
The invention solves the technical problems that the existing urban waterproof area is increased, the underlying surface is hardened, the problems of waterlogging when raining, drought after raining, water resource shortage and the like are frequently caused.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction method for an open channel of a sponge city for underground infiltration, stagnation and storage of ecological landscape comprises the following steps: construction preparation, location unwrapping wire, precipitation construction, earthwork excavation, domatic level and smooth, the construction of two-way osmotic membrane, graded rubble are backfilled, prefabricated building block installation and segmentation accept, the prefabricated building block installation is including the prefabricated building block preparation of novel retaining wall, the prefabricated building block maintenance of novel retaining wall and the transportation of novel retaining wall prefabricated building block.
Preferably, novel retaining wall precast block preparation is including batching, stirring and shaping, the batching is used storage hopper, weighing hopper, shaping fill, according to the different ratio of concrete, carries out the measurement batching of sand, stone, cement aggregate.
Preferably, the power device, the industrial control microcomputer, the water supply system and the water content tester are used for stirring, when the mixer works, the computer automatically feeds materials to the mixer according to a pre-input matching instruction, the stirring is responsible for stirring concrete mixtures, and meanwhile, the computer adds water according to a pre-input water supply set value for stirring to complete a stirring program.
Preferably, the molding uses a molding host, a control system, a special template, the stirred concrete clinker, and the filler, the pressing plate, the vibration and the top mold stripping on the template to manufacture the molded brick.
Preferably, the precipitation construction adopts a small-sized drilling machine to form holes, the diameter of each formed hole is between 600 plus 700mm, a sand-free concrete water filter pipe with the pipe diameter of 300mm and the wall thickness of 50mm is buried after the holes are formed, the length of a single section of the filter pipe is 1.Om, two layers of nylon wire cloth coarse filter screens are wound outside the filter pipe, water permeable materials with the particle size of 0.5-1.0m are filled at the periphery of the filter pipe, a small-sized submersible pump is adopted, a plastic pipe with the particle size of not less than 100mm is adopted in a main water collecting pipe, and a PVC plastic hose with the particle size of 20mm is adopted in a connecting pipe.
Preferably, construction measurement lofting, construction center line lofting and excavation side line lofting are carried out after precipitation construction reaches excavation conditions, and lofting is carried out by taking 20m as a section.
Preferably, when foundation soil with the thickness of 5cm is reserved for slope excavation, manual trimming is performed when a slope is built, excavated earthwork cannot be placed within a range of 2m from the side of a foundation pit, and before slope trimming, the slope flatness is detected by using longitudinal and transverse bracing wires of sample piles.
Preferably, the bidirectional permeable membrane is constructed, the width of the bidirectional permeable membrane is 8m, the length of a single roll is 50m, the bidirectional permeable membrane is in natural lap joint, and the minimum lap joint width is 20 cm.
Preferably, the graded broken stone backfill is mechanically assisted and manually leveled, and the novel retaining wall prefabricated building blocks are installed after the graded broken stone backfill is completed.
Preferably, after the construction of grade beam and crossbeam is accomplished, and after the concrete strength reached 75%, carry out building by laying bricks or stones of the prefabricated building block of novel retaining wall, the prefabricated building block fissure of displacement installation of novel retaining wall, and the prefabricated building block of novel retaining wall lays the segmentation working face and install, all chooses for use glass fiber nylon anchor stick to consolidate between the block brickwork brick about the bank protection.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts the novel retaining wall prefabricated building blocks without mortar connection, reduces the damage of non-renewable resources, greatly reduces field wet operation, has low construction field noise, reduces bulk materials, reduces waste and wastewater discharge, completely conforms to the green and environment-friendly urban development trend, is pioneering for constructing sponge cities in Shanxi, provides valuable experience for related engineering construction to a certain extent, has certain social benefit for project locations, not only prevents urban flood disasters, but also can increase landscape greening and promote urban living environment, obtains good social and economic benefits, compared with the traditional slope protection structure, is not easy to generate cracks, collapse, fracture and other conditions due to local deformation of bank slopes, and can maintain integral stability, the method is more suitable for silty clay and geology with higher underground water level, and meanwhile, aquatic plants can be planted in the brick holes, so that the method is more environment-friendly and ecological.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the process of the present invention;
figure 3 is a schematic view of the block of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, a construction method of an open channel for a sponge city underground infiltration and stagnation ecological landscape comprises the following steps: construction preparation, location unwrapping wire, precipitation construction, earthwork excavation, domatic level and smooth, the construction of two-way osmotic membrane, grading rubble backfill, prefabricated building block installation and segmentation acceptance, prefabricated building block installation including the prefabricated building block preparation of novel retaining wall, the prefabricated building block maintenance of novel retaining wall and the transportation of novel retaining wall prefabricated building block.
Novel retaining wall prefabricated building block preparation is including batching, stirring and shaping, the batching is used storage hopper, weighing hopper, shaping fill, according to the different ratio of concrete, carries out the measurement batching of sand, stone, cement aggregate.
The power device, the industrial control microcomputer, the water supply system and the water content tester are used for stirring, the computer automatically feeds materials to the stirrer according to the pre-input matching instruction during working, after the materials are fed, the stirring system is responsible for stirring concrete mixtures, meanwhile, the computer system feeds water according to the pre-input water feeding set value and mixes the materials, the stirring program is completed, the field feeding and the stirring time are controlled by the full-automatic control system, the influence of human factors is reduced, and the prefabrication quality of concrete blocks is ensured.
The forming system mainly uses a forming host machine, a control system and a special template, which are the core of the whole production line, and the formed bricks are manufactured by using the stirred concrete clinker, loading fillers on the template, pressing the template, vibrating the template and ejecting the template.
The precipitation construction adopts small-size rig to pore-form, the pore-forming pipe diameter is 600 between-.
Positioning and paying off, carrying out construction measurement lofting after precipitation construction reaches excavation conditions, carrying out lofting on a construction center line and an excavation side line, lofting by taking 20m as a section, properly protecting a well-laid pile, continuously retesting in the excavation construction process to prevent center line deviation and overexcavation.
The earthwork excavation takes the slope excavation as a control key point, the slope gradient of the slope is controlled mainly, the overexcavation is prevented, the backfilling caused by the overexcavation is avoided, the foundation soil with the thickness of about 5cm is reserved and is manually repaired when the slope is built, the side slope is the most important ring in process control, which directly influences the building of the ecological protection slope, the earthwork excavated by the open channel falls along with the excavation, the excavated earthwork can not be placed within 2m from the side of the foundation pit, thereby preventing the influence of overlarge static load on the stability of the side slope, after the excavation of the foundation pit is finished, slope surface finishing is carried out, before the slope surface finishing, the flatness of the slope surface is detected by using a longitudinal and transverse bracing wire of a sample pile, the ultrahigh position is manually cut to form a slope, the lower-height position is manually backfilled to a designed height, in addition, excavating soft parts of the slope, manually replacing the qualified soil materials to backfill to a design elevation, and manually tamping the parts with unqualified slope earthwork compactness again to meet the design requirement.
The construction of the bidirectional permeable membrane, the breadth of the bidirectional permeable membrane is 8m, the length of a single roll is 50m, the bidirectional permeable membrane adopts a manual rolling and paving mode, the cloth cover is required to be smooth and loose properly, the stress and irregular wrinkles of the fabric tension are avoided, the damage and pollution are prevented, the edge part is fixed by corner-free stones, in the construction of the engineering, the bidirectional permeable membrane adopts natural lap joint, the minimum width of the lap joint is 20cm, the laying quality of the geotextile plays an important role in the construction of the engineering, the bidirectional permeable membrane has multiple functions of seepage prevention, reverse filtration, isolation, reinforcement and the like, in the construction of an ecological open channel, when water flows into a coarse material soil layer from a fine material soil layer, the good air permeability and the water permeability of the bidirectional permeable membrane are utilized, the water flow passes through, and soil particles, fine sand, small stones and the like are effectively intercepted, so as to keep the water and soil stable.
Grading broken stone is backfilled and is carried out novel retaining wall prefabricated building block back grading broken stone and backfill after the ground beam construction is accomplished, grading broken stone backfill quality determines the installation quality of novel retaining wall prefabricated building block, at first, grading broken stone is transported to the job site and is backfilled after the laboratory acceptance is qualified, backfilling is assisted by machinery, artifical flattening guarantees that its closely knit degree reaches the requirement, carry out novel retaining wall prefabricated building block installation after grading broken stone is backfilled and is accomplished.
After the precast block was installed and is accomplished in grade beam and crossbeam construction, and after the concrete strength reached 75%, carried out building by laying bricks or stones of the precast block brick of novel retaining wall, the fissure of displacement installation of the precast block of novel retaining wall, and the precast block of novel retaining wall lays the segmentation working face and installs, all chooses for use glass fiber nylon anchor stick to consolidate between the last lower brickwork brick of bank protection.
The working principle is as follows: the novel retaining wall precast block is mainly laid by a section working face for installation, and is sectioned according to the working radius of a crane, the engineering adopts a 20t truck crane, the working radius is 20m, one section is hoisted, the novel retaining wall precast block is installed by longitudinally drawing a line, the flatness and the longitudinal lines of each layer are ensured, the novel retaining wall precast block is drawn by one section every 20m, one section is drawn from a slope toe to a horse path, one section is drawn from the horse path to a slope top, the construction gradient ratio is ensured to meet the design requirement, the novel retaining wall precast block needs to be paid attention to the inward facing of the stitch line when being installed, the novel retaining wall prefabricated building block brickwork on the same layer is placed in the same direction, the distance between the outer edge of the brickwork is 2cm from a longitudinal marking, the novel retaining wall prefabricated building block is installed smoothly from low to high, staggered joints are formed layer by layer, the typesetting is attractive between the bricks, glass fiber nylon anchor rods are selected between the upper and lower brickwork bricks of the protective slope for reinforcement, the connection between the blocks can achieve high strength and good corrosion resistance effect by adopting the glass fiber nylon anchor rods, the novel retaining wall prefabricated building block is durable and has good wear resistance, heat resistance and oil resistance, after each layer of brickwork is installed, the longitudinal error is +/-5 cm, the slope direction is as high as the marking, the upper and lower layers of the brickwork are tightly combined without obvious gaps after the installation, whether the edge line of the brickwork and the standard line are within the design range, the position is not matched with the immediate adjustment, the design requirements of straightening, the adjacent difference is in accordance with the design requirements, and the inner side of each layer of the brickwork is provided with 15cm thick medium coarse sand, backfill the position must the flattening do benefit to the brickwork installation, and guarantee construction quality, the wide 400mm of the long 700mm of novel retaining wall prefabricated block that this engineering adopted is high 300mm, leaves the eye when novel retaining wall prefabricated block is prefabricated, and the open channel slope is 1 when lower floor's brick leans on the inboard eye to be relative with upper strata brick outside eye: 1, when the middle hole of the lower layer brick is opposite to the outer side hole of the upper layer brick, the slope is 1: 0.75's slope, the slope and the construction angle scheduling problem of control construction that the novel retaining wall prefabricated block installation that this engineering adopted is convenient can be better enable, enable ecological open channel more pleasing to the eye, and installation quality can obtain the guarantee, is checking the operation at last.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A construction method for an ecological landscape open channel for underground infiltration and stagnation storage in a sponge city is characterized by comprising the following steps: the method comprises the following steps: construction preparation, location unwrapping wire, precipitation construction, earthwork excavation, domatic level and smooth, the construction of two-way osmotic membrane, graded rubble are backfilled, prefabricated building block installation and segmentation accept, the prefabricated building block installation is including the prefabricated building block preparation of novel retaining wall, the prefabricated building block maintenance of novel retaining wall and the transportation of novel retaining wall prefabricated building block.
2. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: novel retaining wall prefabricated building block preparation is including batching, stirring and shaping, the batching is used storage hopper, weighing hopper, shaping fill, according to the different ratio of concrete, carries out the measurement batching of sand, stone, cement aggregate.
3. The construction method of the sponge city underground infiltration ecological landscape open channel according to claim 2, which is characterized in that: the stirring is carried out by using a power device, an industrial control microcomputer, a water supply system and a water content tester, when the stirring machine works, the computer automatically feeds materials to the stirring machine according to a pre-input matching instruction, the stirring is responsible for stirring concrete mixtures, and meanwhile, the computer adds water according to a pre-input water supply set value for stirring to complete a stirring program.
4. The construction method of the sponge city underground infiltration ecological landscape open channel according to claim 2, which is characterized in that: and the molding uses a molding host, a control system, a special template, the stirred concrete clinker, and the filling, pressing, vibrating and top mold stripping on the template to manufacture the molded brick.
5. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: the precipitation construction adopts a small-sized drilling machine to form holes, the diameter of each formed hole is between 600 and 700mm, a sand-free concrete water filter pipe with the pipe diameter of 300mm and the wall thickness of 50mm is buried after the holes are formed, the length of a single section of the filter pipe is 1.Om, two layers of nylon wire cloth coarse filter nets are wound outside the filter pipe, water permeable materials with the grain diameter of 0.5-1.0m are filled at the periphery of the filter pipe, a small-sized submersible pump is adopted, a plastic pipe with the grain diameter of not less than 100mm is adopted in a main water collecting pipe, and a PVC plastic hose with the grain diameter of 20mm is adopted in a connecting pipe.
6. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: and performing construction measurement lofting, construction center line lofting and excavation side line lofting after the precipitation construction reaches the excavation condition, and lofting by taking 20m as a section.
7. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: when foundation soil with the thickness of 5cm reserved for slope excavation is used for building a slope, manual trimming is carried out, excavated earthwork cannot be placed within a range of 2m from the side of a foundation pit, and the slope flatness is detected by using longitudinal and transverse bracing wires of sample piles before slope trimming.
8. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: the construction of the bidirectional permeable membrane is carried out, the width of the bidirectional permeable membrane is 8m, the length of a single roll is 50m, the bidirectional permeable membrane is in natural lap joint, and the minimum lap joint width is 20 cm.
9. The construction method of the open channel for the ecological landscape of the sponge city under-seepage and storage according to claim 1, is characterized in that: and the graded broken stone is backfilled by mechanical assistance and manually leveled, and the novel retaining wall prefabricated building blocks are installed after the graded broken stone is backfilled.
10. A production process of a construction method of an ecological landscape open channel for the lower seepage and accumulation of a sponge city is characterized in that: after the construction of grade beam and crossbeam is accomplished, and after the concrete strength reached 75%, carry out building by laying bricks or stones of the prefabricated building block of novel retaining wall, the prefabricated building block fissure of novel retaining wall stagger joint installation, and the prefabricated building block of novel retaining wall lays the segmentation working face and installs, all chooses for use glass fiber nylon anchor stick to consolidate between the last lower block brickwork brick of bank protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460407.2A CN113174904A (en) | 2021-04-27 | 2021-04-27 | Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460407.2A CN113174904A (en) | 2021-04-27 | 2021-04-27 | Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113174904A true CN113174904A (en) | 2021-07-27 |
Family
ID=76926604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110460407.2A Pending CN113174904A (en) | 2021-04-27 | 2021-04-27 | Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113174904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142465A (en) * | 2022-06-18 | 2022-10-04 | 中国水利水电第十六工程局有限公司 | Construction method of inclined gravity retaining wall |
| CN115142465B (en) * | 2022-06-18 | 2024-05-14 | 中国水利水电第十六工程局有限公司 | Construction method of upward inclined gravity retaining wall |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204626424U (en) * | 2015-05-08 | 2015-09-09 | 黄河勘测规划设计有限公司 | Step polygon for Channel slope plants raw building block |
-
2021
- 2021-04-27 CN CN202110460407.2A patent/CN113174904A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204626424U (en) * | 2015-05-08 | 2015-09-09 | 黄河勘测规划设计有限公司 | Step polygon for Channel slope plants raw building block |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142465A (en) * | 2022-06-18 | 2022-10-04 | 中国水利水电第十六工程局有限公司 | Construction method of inclined gravity retaining wall |
| CN115142465B (en) * | 2022-06-18 | 2024-05-14 | 中国水利水电第十六工程局有限公司 | Construction method of upward inclined gravity retaining wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204059124U (en) | A kind of sand drain strong rammer grouting behind shaft or drift lining foundation reinforcing structure | |
| CN107938692B (en) | Drainage and recharging construction method and structure | |
| CN100535254C (en) | Once forming construction technique for concrete panel rock fill dam bedding material and slope fixing mortar | |
| CN103774616B (en) | From the Ecological Retaining Wall construction method that embedded block is built by laying bricks or stones | |
| CN109736346B (en) | Steel anchor pipe reinforced weathered rock stratum reinforced weighing type retaining wall structure and construction method | |
| CN106759126B (en) | Construction method of side slope support drainage channel | |
| CN106192907B (en) | Add the construction method of 150m~300m grade high concrete panel rock-fill dams of cement sand and gravel structure sheaf | |
| CN113186766A (en) | Shallow soft soil foundation foam light soil embankment structure and construction method | |
| CN111677095A (en) | Construction method of drainage pipeline | |
| CN113174958A (en) | Construction method for foundation pit of adjacent road under poor ground condition | |
| CN109706952A (en) | Large-scale well-sinking construction method | |
| CN110438914A (en) | Water tank culvert and its construction method are crossed on soft soil foundation | |
| CN109653049A (en) | The construction method in approach fill section in a kind of soft ground treatment | |
| CN112144559A (en) | Well construction method in high water-rich loess sandy gravel stratum transformer tube well | |
| CN104099936A (en) | Cascading waterfall waterscape structure on artificial stacked mountain and construction method thereof | |
| CN110552371A (en) | Construction method for eliminating horizontal construction joints of annular lining wall based on reverse construction method | |
| CN103321181A (en) | Method for damming by hydraulic-filling full tailings to geomembrane bag woven by using split film yarns | |
| CN110004787A (en) | Pier storage yard road concrete surface construction method | |
| CN207828994U (en) | It is a kind of draining and recharge constructing structure | |
| CN113174904A (en) | Construction method for ecological landscape open channel for downward seepage and stagnation storage in sponge city | |
| CN115030146A (en) | Solidified soil composite foundation technology for pile mud capable of being solidified in situ to form pile body material | |
| CN204000894U (en) | Artificial heap is built cascading waterfalls water scenery structure on massif | |
| CN113700111A (en) | Construction method of rainwater permeation, drainage and reuse integrated system | |
| CN113235603A (en) | Civil air defense engineering foundation pit earthwork construction method | |
| CN112523272A (en) | Anti-floating blind ditch for strongly weathered rock stratum and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |