CN115434363B - Retaining wall construction method suitable for repeated excavation backfill working condition - Google Patents
Retaining wall construction method suitable for repeated excavation backfill working condition Download PDFInfo
- Publication number
- CN115434363B CN115434363B CN202211230874.7A CN202211230874A CN115434363B CN 115434363 B CN115434363 B CN 115434363B CN 202211230874 A CN202211230874 A CN 202211230874A CN 115434363 B CN115434363 B CN 115434363B
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- template
- reinforcing steel
- steel bar
- concrete
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The application relates to a retaining wall construction method suitable for repeated excavation backfill working conditions, which comprises the following steps: pouring concrete to form a first-layer retaining wall, embedding reinforcing steel bars in the wall body, and enabling the top ends of the reinforcing steel bars to be positioned outside the wall body; installing a reinforcing steel bar joint on the reinforcing steel bar; installing a template on the first retaining wall, enabling the height of the template to exceed that of the reinforcing steel bar joint, and filling a protective layer in the template to enable the protective layer to cover the reinforcing steel bar joint; removing the template after secondary excavation, and lengthening the steel bars through the steel bar joints; and constructing the rest wall body. When the reinforcing steel bars are embedded in the wall, the top ends of the reinforcing steel bars are arranged outside the wall, the height of the templates exceeds the height of the reinforcing steel bar joints, and when the protective layer is filled, the protective layer can cover the reinforcing steel bar joints, the protective layer is filled in the templates, so that the reinforcing steel bars can be prevented from being damaged, the reinforcing steel bar lengthening construction can be directly carried out, the later-stage large-scale reinforcing steel bar planting construction is avoided, the use of redundant reinforcing steel bars is reduced, and the design construction requirements are met to the maximum extent.
Description
Technical Field
The application relates to the field of retaining wall construction, in particular to a retaining wall construction method suitable for repeated excavation backfill working conditions.
Background
Many engineering projects are limited in field use, some permanent structures are backfilled and buried after being poured to a certain elevation, then temporary structures are applied above the permanent structures, the buried permanent structures are re-excavated after the temporary structures are used and removed, the permanent structures are heightened, and steel bars in retaining walls can be damaged in the backfill, burying and re-excavation processes.
Disclosure of Invention
The embodiment of the application provides a retaining wall construction method suitable for repeated excavation backfill working conditions, so as to solve the problem that in the related art, reinforcing steel bars in the retaining wall can be damaged in the backfill burying and re-excavation process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the retaining wall construction method suitable for repeated excavation backfill working conditions comprises the following steps: pouring concrete to form a first-layer retaining wall, embedding reinforcing steel bars in the wall body, and enabling the top ends of the reinforcing steel bars to be positioned outside the wall body; installing a reinforcing steel bar joint on the reinforcing steel bar; installing a template on the first retaining wall, enabling the height of the template to exceed that of the reinforcing steel bar joint, and filling a protective layer in the template to enable the protective layer to cover the reinforcing steel bar joint; removing the template after secondary excavation, and lengthening the steel bars through the steel bar joints; and constructing the rest wall body.
In some embodiments, after removing the template after the secondary excavation, the method further comprises locally planting the reinforcement if the reinforcement is found to be locally missing or damaged.
In some embodiments, concrete is poured to form a first layer retaining wall, and when rebars are embedded in the wall, the method further comprises: checking the stability of the steel bar; if the steel bar is loosened, deformed and/or shifted, the steel bar is reset and fixed.
In some embodiments, the installing the template on the first retaining wall comprises the following specific steps: cleaning the contact surface of the template and the concrete on the first layer retaining wall, and brushing a release agent; and fixing the template and the concrete by adopting a pair of pull screws.
In some embodiments, before filling the protective layer in the template, the method further comprises the steps of: the reinforcement is coated with cement mortar.
In some embodiments, the local bar planting method comprises the following specific steps: cleaning the surface of the concrete to be planted with the bars, and drilling holes in the site where the bar is planted in the construction process; clearing the drilled hole; processing the implanted steel bars; and pouring the bar planting glue into the holes, and inserting the cleaned steel bars into the holes.
In some embodiments, before the local bar planting, the method further includes the following steps: simulating bar planting, performing template construction, and performing a tensile bearing capacity test after template construction; and reinforcing or strengthening the defects of the construction reinforced parts on the first layer retaining wall.
In some embodiments, the construction of the remaining wall body comprises the following specific steps: carrying out surface treatment on the first layer retaining wall; installing the template again; and pouring concrete in the template.
In some embodiments, the surface treatment of the first retaining wall comprises: removing floating dust, dust and dirt on the concrete bonding surface; if the concrete surface has cracks or partial defects, repairing the cracks or partial defects.
In some embodiments, after casting the concrete in the form, the method further comprises the steps of: and carrying out moisture preservation and maintenance on the poured concrete.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides a retaining wall construction method suitable for under repeated excavation backfill operating mode, when the embedded bar in the wall body, set up the reinforcing bar top outside the wall body, before first floor retaining wall backfill buries, install the template on first floor retaining wall, highly surpass the reinforcing bar joint of setting up the template, when filling the protective layer, enable the protective layer cover reinforcing bar joint, it can guarantee to the reinforcing bar not damaged to fill the protective layer in the template, can directly carry out reinforcing bar extension construction, avoid later stage a large amount of planting the reinforcing bar construction, reduce unnecessary reinforcing bar use, furthest satisfies design construction requirement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a retaining wall construction method according to an embodiment of the present application;
fig. 2 is a schematic view of a first-layer retaining wall structure according to an embodiment of the present application.
In the figure: 1. a first retaining wall; 2. a template; 3. a protective layer; 4. reinforcing steel bars; 5. a reinforcing bar joint; 6. and (5) oppositely pulling the screw rod.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Referring to fig. 1 to 2, an embodiment of the present application provides a retaining wall construction method suitable for repeated excavation and backfill working conditions, which can solve the problem that in the related art, steel bars in the retaining wall are damaged in the backfill burying and re-excavation processes.
The embodiment of the application provides a retaining wall construction method suitable for repeated excavation backfill working conditions, which comprises the following steps:
101: concrete is poured to form the first-layer retaining wall 1, reinforcing steel bars 4 are embedded in the wall body, and the top ends of the reinforcing steel bars 4 are positioned outside the wall body.
The right perpendicularity or the right inclined angle of the steel bars 4 must be ensured in the process of embedding the steel bars 4 of the wall, and meanwhile, when the steel bars 4 are embedded, the steel bars 4 must be staggered in the tie bar position, so that the tie bars cannot pass through in the subsequent construction process; when the steel bars 4 are embedded, the top ends of the steel bars 4 are arranged in a staggered mode, as shown in fig. 2, among the embedded multiple steel bars 4, the top ends of one part of the steel bars 4 and the top ends of the other part of the steel bars 4 are not on the same horizontal plane, the dislocation distance is L, L is more than or equal to 35d (d is the diameter of the steel bars 4), and compared with the arrangement mode that the top ends of the embedded multiple steel bars 4 are located on the same horizontal plane, the arrangement mode can improve the structural strength of subsequent concrete pouring.
102: a reinforcing bar coupler 5 is installed on the reinforcing bar 4.
Wherein the number of the reinforcing bar joints 5 is not more than 50% of the number of the reinforcing bars 4.
103: the template 2 is installed on the first retaining wall 1 such that the height of the template 2 exceeds the reinforcing bar joint 5, and the protective layer 3 is filled in the template 2 such that the protective layer 3 covers the reinforcing bar joint 5.
When the template 2 is installed, the height of the template 2 exceeds the steel bar joint 5 positioned at the topmost end, the exceeding height is 30cm, the template 2 adopts a nine-clamping-plate wood die, and the template needs to be carefully checked before being used, is checked and accepted according to quality standards, and rejects unqualified parts;
the protective layer 3 adopts middle coarse sand, cement mortar is used for coating the reinforcing steel bars 4, the cement mortar plays a role in protecting the reinforcing steel bars 4, a certain reinforcing steel bar rust inhibitor is doped in the cement mortar, the rust of the reinforcing steel bars 4 can be delayed, and when the middle coarse sand is filled in the template 2, the outside of the template 2 is synchronously subjected to layered compaction construction of backfill.
104: and removing the template 2 after secondary excavation, and lengthening the steel bars 4 through the steel bar joints 5.
After construction conditions change, excavating soil bodies on two sides of the first retaining wall 1, removing the templates 2, and avoiding damaging the templates 2 during excavation.
After excavation, the construction joint is required to be cleaned, the middle coarse sand on the top of the first-layer retaining wall 1 is cleaned and the roughening adopts a high-pressure water jet method, the method is to use a high-pressure water gun to perform roughening treatment on the bonding interface of the concrete of the first-layer retaining wall 1, the water spraying speed, the spraying distance and the spraying speed are controlled during treatment, and the cement stone on the top of the retaining wall is removed by means of huge water spraying force, so that the rough aggregate on the surface layer of the interface is exposed, and an uneven bonding interface is formed. This approach has many advantages: the work is performed quickly and effectively, and vibration, noise and dust are avoided; the mechanized construction degree is high, the construction speed is high, the disturbance to the concrete of the first-layer retaining wall 1 is small, and the uniformity of the concave-convex surface is good; more importantly, the high-pressure water jet method is applicable to any situation, and in the case of the steel bar 4, the steel bar 4 is not damaged, and rust can be removed from the steel bar 4.
Bonding surfaces with different roughness and obtained by different water pressures show that the test results show that: the difference of the roughness of the bonding surface directly influences the bonding split tensile strength, and the bonding split tensile strength is increased along with the increase of the roughness of the bonding surface, so that the bonding contact area is increased due to the increase of the roughness of the bonding surface; the shearing force opening is chiseled, the bonding engagement force between the concrete on the first retaining wall 1 and the concrete on the second retaining wall, namely the bonding engagement force between the new and the old concrete is increased, and the structural integrity is increased, so that the bonding performance of the new and the old concrete is improved.
Before the reinforcing steel bars 4 are lengthened, whether the steel numbers, diameters, shapes and sizes of the reinforcing steel bars 4 which are subsequently attached are consistent with those of the reinforcing steel bars 4 pre-buried in the first retaining wall 1 is checked.
105: and constructing the rest wall body.
This embodiment sets up reinforcing bar 4 top in the wall body outside when pre-buried reinforcing bar 4 in the wall body, before first layer retaining wall 1 backfills buries, install template 2 on first layer retaining wall 1, set up the height of template 2 and surpass reinforcing bar joint 5, when filling protective layer 3, enable protective layer 3 cover reinforcing bar joint 5, fill protective layer 3 in template 2 and can guarantee that reinforcing bar 4 is not damaged, can directly carry out reinforcing bar 4 extension construction, avoid later stage a large amount of reinforcing bar construction, reduce unnecessary reinforcing bar 4 and use, furthest satisfies design construction requirement.
According to the embodiment of the application, the number of subsequent bar planting and the number of damaged bars 4 are reduced, the economic benefit generated by construction quality is guaranteed, the bar joint 5 reserved in advance is protected by adopting medium coarse sand, the bar planting work of 95% can be reduced, the bar 4 is good in protection quality, and the damage of the bar joint 5 of 95% can be reduced.
On the basis of the above embodiment, in this embodiment, after the template 2 is removed after the secondary excavation, the method further includes, if the reinforcing steel bar 4 is found to be locally missing or damaged, locally planting the reinforcing steel bar.
Before the reinforcement is planted, the reinforcement is needed to be planted in a simulation mode, namely, template construction is carried out, a template of the first-layer retaining wall 1 is firstly manufactured, the simulation reinforcement is carried out at a representative position of the template of the first-layer retaining wall 1, a tensile bearing capacity test is carried out after the template construction, after the test is qualified, the defect of the reinforcement planting position on the first-layer retaining wall 1 is reinforced or strengthened, and then formal reinforcement planting is carried out.
When the bar is formally planted, firstly cleaning the concrete surface of the bar to be planted, positioning a spring wire at a place where the bar is to be planted, marking the diameter and depth of the planted bar 4, then drilling holes on the bar planting position in construction according to the diameter and depth of the planted bar 4, wherein the drilling hole depth is not less than 12d, the drilling hole diameter is d+4mm (d is the diameter of the bar 4), cleaning holes at the drilling holes after the drilling holes are completed, using a four-blowing three-brushing method, namely blowing floating dust in the holes firstly, then brushing the hole walls by using a special brush, pulling and rotating the brush at Kong Nachou during brushing, repeatedly blowing and brushing to clean dust in the holes, and flushing the holes by water when cleaning the holes to prevent the water flow from damaging the holes, wherein the holes of the bar to be planted are cleaned cleanly, and the holes are dry and free of water;
after the steel bar 4 is cleaned, the embedded steel bar 4 can be treated after the steel bar 4 is self-inspected and accepted by a construction team, surface rust and other dirt are removed from the anchoring part of the embedded steel bar 4, when the surface rust and other dirt are removed, a steel wire brush is matched with an angle grinder to remove rust and polish until the metal luster of the steel bar 4 is exposed, the length of the rust removing part is about 50mm greater than the length of the anchoring part, and the severely corroded steel bar 4 cannot be used as the embedded steel bar; after the implanted steel bar 4 is treated, the hole is filled with the bar-planting glue, and a special injector or a syringe is used for filling the bar-planting glue, and the following requirements are met: no matter which way is adopted for pouring, the air in the hole cannot be prevented from being discharged during pouring, the dosage of the bar planting glue is required to ensure that a little bar planting glue overflows after the bar 4 is implanted, the bar planting glue cannot be used for bar planting after being initially solidified and hard, therefore, the bar planting is immediately carried out after the glue injection is completed, in order to ensure that the glue in the hole is full, after the glue injection is completed, the implantation end of the processed bar 4 is dipped with a little glue solution and slowly inserted into the hole, the bar planting glue is inserted along a certain direction for a plurality of times during bar planting, so that the bar planting glue is used for bonding the bar 4 and the surface of the hole wall tightly, the bar 4 is inserted into the deepest position in the hole during bar planting, and the bar is ensured not to be disturbed within 424 hours.
On the basis of the above embodiment, in this embodiment, concrete is poured to form the first-layer retaining wall 1, and when the reinforcing steel bars 4 are embedded in the wall, the method further includes: checking the stability of the steel bar 4 during the concrete pouring; if the steel bar 4 is loosened, deformed and/or shifted, the steel bar 4 is reset and fixed, and when the wall is inspected, the stability of other embedded parts except the steel bar 4 in the wall is also inspected, and if the other embedded parts are loosened, deformed and/or shifted, the other embedded parts are reset and fixed.
On the basis of the above embodiment, in this embodiment, the installing the form 2 on the first retaining wall 1 includes the following specific steps: the contact surface of the template 2 and the concrete on the first-layer retaining wall 1 is cleaned up, a release agent which has no influence on the structural performance of the concrete and the template 2 is coated, then the template 2 and the concrete are fixed by adopting a counter screw 6, the templates 2 are installed on two sides of the concrete, the templates 2 on two sides of the concrete are fixed by adopting the counter screw 6, so that the templates 2 have enough strength, rigidity and stability, when a plurality of templates 2 are arranged on each side, the joint between two adjacent templates 2 is tight and can be not leaked, adhesive tape paper can be adhered at the joint, after the templates 2 are fixed, template accessories are installed on the templates 2, and the installation of the template accessories is required to be ensured to be omitted so as to improve the strength, rigidity and stability of the templates 2.
Based on the above embodiment, in this embodiment, the construction is performed on the remaining wall, and the specific steps include:
surface treatment is carried out on the first retaining wall 1: removing floating dust, dust and dirt on the concrete bonding surface, and repairing the concrete if cracks or partial defects exist on the concrete surface; then installing the template 2 again, wherein the template 2 is a nine-clamping-plate wood die, and the template 2 is fixed on the concrete of the first-layer retaining wall 1 by adopting a counter-pulling screw 6; after the template 2 is installed, pouring concrete in the template 2, and vibrating the concrete by using a vibrating rod when the concrete is poured, so that the concrete is guaranteed to be poured compactly, after the concrete is poured, the concrete needs to be subjected to moisture preservation and maintenance within 12 hours after the concrete is poured, and the time for watering and maintenance of the concrete is not less than 14 days; the watering times can keep the concrete in a wet state; the water for concrete curing is the same as the water for concrete mixing.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The retaining wall construction method suitable for repeated excavation backfill working conditions is characterized by comprising the following steps of:
pouring concrete to form a first-layer retaining wall (1), embedding reinforcing steel bars (4) in the wall, and enabling the top ends of the reinforcing steel bars (4) to be positioned outside the wall;
installing a reinforcing steel bar joint (5) on the reinforcing steel bar (4);
installing a template (2) on the first retaining wall (1) to enable the height of the template (2) to exceed the steel bar joint (5), and filling a protective layer (3) in the template (2) to enable the protective layer (3) to cover the steel bar joint (5);
removing the template (2) after secondary excavation, and lengthening the steel bars (4) through the steel bar joints (5);
and constructing the rest wall body.
2. The retaining wall construction method suitable for repeated excavation backfill working conditions according to claim 1, wherein after the template (2) is removed after secondary excavation, the method further comprises the step of locally planting the reinforcing steel bars (4) if the reinforcing steel bars are found to be locally missing or damaged.
3. A retaining wall construction method according to claim 1, adapted for repeated excavation backfill conditions, wherein concrete is poured to form a first layer retaining wall (1), the method further comprising, when reinforcing bars (4) are embedded in the wall:
checking the stability of the steel bar (4);
if the steel bar (4) is loosened, deformed and/or shifted, the steel bar (4) is reset and fixed.
4. The retaining wall construction method suitable for repeated excavation backfill working conditions according to claim 1, wherein the installing of the formwork (2) on the first retaining wall (1) comprises the following specific steps:
cleaning the contact surface of the template (2) and the concrete on the first retaining wall (1), and brushing a release agent;
and fixing the template (2) and the concrete by adopting a counter-pulling screw (6).
5. A retaining wall construction method suitable for repeated excavation backfill according to claim 1, characterized in that before the form (2) is filled with the protective layer (3), the method further comprises the steps of:
the reinforcement (4) is coated with cement mortar.
6. The retaining wall construction method suitable for repeated excavation backfill working conditions as claimed in claim 2, wherein the step of locally planting the reinforcing bars comprises the following specific steps:
cleaning the surface of the concrete to be planted with the bars, and drilling holes in the site where the bar is planted in the construction process;
clearing the drilled hole;
treating the implanted steel bars (4);
and pouring bar planting glue into the holes, and inserting the cleaned steel bars (4) into the holes.
7. The retaining wall construction method suitable for repeated excavation backfill working conditions of claim 2, wherein before the local reinforcement is performed, the method further comprises the following steps:
simulating bar planting, performing template construction, and performing a tensile bearing capacity test after template construction;
and reinforcing or reinforcing the defects of the construction reinforced parts on the first layer retaining wall (1).
8. The retaining wall construction method suitable for repeated excavation backfill working conditions as claimed in claim 1, wherein the construction of the remaining wall comprises the following specific steps:
carrying out surface treatment on the first layer retaining wall (1);
reinstalling the template (2);
and pouring concrete in the template (2).
9. The retaining wall construction method suitable for repeated excavation backfill working conditions as claimed in claim 8, wherein: surface treatment of a first retaining wall (1), comprising:
removing floating dust, dust and dirt on the concrete bonding surface;
if the concrete surface has cracks or partial defects, repairing the cracks or partial defects.
10. The retaining wall construction method suitable for repeated excavation backfill working conditions as claimed in claim 1, wherein: after casting the concrete in the formwork (2), the method further comprises the steps of:
and carrying out moisture preservation and maintenance on the poured concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230874.7A CN115434363B (en) | 2022-09-30 | 2022-09-30 | Retaining wall construction method suitable for repeated excavation backfill working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211230874.7A CN115434363B (en) | 2022-09-30 | 2022-09-30 | Retaining wall construction method suitable for repeated excavation backfill working condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115434363A CN115434363A (en) | 2022-12-06 |
| CN115434363B true CN115434363B (en) | 2023-06-02 |
Family
ID=84251505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211230874.7A Active CN115434363B (en) | 2022-09-30 | 2022-09-30 | Retaining wall construction method suitable for repeated excavation backfill working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115434363B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010019079A (en) * | 1999-08-24 | 2001-03-15 | 박정진 | Precast steel Plate &Concrete Pile Structure of Semi Down Wall Construction System |
| WO2018036445A1 (en) * | 2016-08-22 | 2018-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for engineering fair-faced concrete protective agent for downstream dam face of roller compacted concrete dam |
| CN110924960A (en) * | 2019-11-25 | 2020-03-27 | 中铁十六局集团北京轨道交通工程建设有限公司 | Subway construction method for shield starting before constructing station structure |
| CN111749326A (en) * | 2020-08-03 | 2020-10-09 | 中建八局第三建设有限公司 | Reverse construction basement side wall construction joint processing structure and processing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2892837C (en) * | 2014-10-16 | 2016-07-12 | Emin Buzimkic | Prefabricated modular rebar modules and methods of using the same |
-
2022
- 2022-09-30 CN CN202211230874.7A patent/CN115434363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010019079A (en) * | 1999-08-24 | 2001-03-15 | 박정진 | Precast steel Plate &Concrete Pile Structure of Semi Down Wall Construction System |
| WO2018036445A1 (en) * | 2016-08-22 | 2018-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for engineering fair-faced concrete protective agent for downstream dam face of roller compacted concrete dam |
| CN110924960A (en) * | 2019-11-25 | 2020-03-27 | 中铁十六局集团北京轨道交通工程建设有限公司 | Subway construction method for shield starting before constructing station structure |
| CN111749326A (en) * | 2020-08-03 | 2020-10-09 | 中建八局第三建设有限公司 | Reverse construction basement side wall construction joint processing structure and processing method |
Non-Patent Citations (2)
| Title |
|---|
| 关于地下室外墙后浇带处肥槽分区挡墙的施工分析;王础;;现代物业(中旬刊)(06);第154-155页 * |
| 浅谈型钢混凝土结构中的钢筋施工;何承东;《山西建筑》;第第37卷卷(第第8期期);第91-92页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115434363A (en) | 2022-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101701089B1 (en) | Method of repairing and reinforcing damaged part of concrete structure using assemblable anchor and panel | |
| CN112709237A (en) | Construction method of anchor rod sash beam for high-speed slope protection | |
| CN111119195A (en) | Foundation pit soil nail shotcrete support construction method | |
| CN110952586A (en) | Construction process for bearing platform below expressway | |
| CN111305399A (en) | Basement outer wall post-cast strip system and construction method thereof | |
| CN115434363B (en) | Retaining wall construction method suitable for repeated excavation backfill working condition | |
| CN113585351A (en) | Soil covering plane settlement post-cast strip prefabrication advanced reverse order closed construction method | |
| CN113756339A (en) | Construction method of prestressed anchor cable frame beam structure | |
| KR102076259B1 (en) | A repair unit for repairing a pop out site or a crack site of a concrete building, and a repair or pop out site using the repair unit | |
| CN104675138B (en) | A kind of slab balcony reinforcement means for sound insulation and noise reducing transformation | |
| CN111516096A (en) | Precast column concrete pouring method in fabricated building | |
| CN111042547A (en) | One-step forming damage-free construction method of electric box and auxiliary construction device of electric box | |
| US7033114B2 (en) | Method for installing reinforcements around a cylindrical underground pipeline | |
| KR100375495B1 (en) | repair method of being injured bridge pier | |
| CN212154232U (en) | Wall body reinforced structure | |
| CN113482012A (en) | Wall-mounted wing wall combined with cast-in-situ bored pile foundation pit support and construction method thereof | |
| JP2003013608A (en) | Repair method of concrete structure | |
| JPS63503230A (en) | Repair method for sewers that are at risk of collapse, especially shaped sewers | |
| JPS6354093B2 (en) | ||
| CN112593749A (en) | Construction method of anti-seepage concrete of MBBR water treatment process structure | |
| CN113622408A (en) | Construction method for replacing embedded steel bars with split bolts of two-in-one type ground wall single-side formwork | |
| CN109944256B (en) | Method for repairing and reinforcing vertical elevator shaft of underground engineering | |
| CN111719881A (en) | Integral reinforcing construction process for complex structure of ancient building | |
| KR101759316B1 (en) | Inside strengthening method for water tank | |
| KR20160118719A (en) | Adherence and Tensile Strengthening Facility Maintenance / Reinforcement |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |