CN110924405A - Construction method of slope protection structure - Google Patents
Construction method of slope protection structure Download PDFInfo
- Publication number
- CN110924405A CN110924405A CN201911189932.4A CN201911189932A CN110924405A CN 110924405 A CN110924405 A CN 110924405A CN 201911189932 A CN201911189932 A CN 201911189932A CN 110924405 A CN110924405 A CN 110924405A
- Authority
- CN
- China
- Prior art keywords
- concrete
- foundation
- pillar
- side slope
- panels
- 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
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a construction method of a side slope protection structure, which fully utilizes the advantages of bubble mixed lightweight concrete, optimizes the construction method and matched parts and comprises the following construction steps: the method comprises the steps of setting out a retaining wall foundation pit, excavating the foundation pit, detecting low-level bearing capacity, pouring concrete of a strut foundation, installing the strut, manufacturing a panel, manufacturing a pull rod, installing the panel and backfilling the panel in a layered mode. According to the method, the high fill above the unfavorable geology such as the mountain collapse accumulation body and the like and the first river of the retaining wall construction are created, the blank of the high fill above the unfavorable geology such as the mountain collapse accumulation body and the retaining wall construction is filled, and the reproducible successful experience is provided. The invention is used for the field of side slope retaining walls.
Description
Technical Field
The invention relates to the field of side slope retaining walls, in particular to a construction method of a side slope protection structure.
Background
Along with the large-scale development of a traffic network in China, the construction of large bridges in mountainous areas frequently occurs, and the support mode of filling side slopes is poor, but along with the occurrence of unfavorable geology such as collapse and accumulation bodies in mountainous areas, high filling operation is carried out above the mountainous areas, the stability of the roadbed is poor, large foundation bearing capacity is needed below filling, and the cost for improving and reinforcing the foundation is increased. How to perform large-volume filling and slope construction above the adverse geological area of the mountainous area more safely, more conveniently and more economically becomes a research focus in the industry.
Conventional high fill above unfavorable geology and slope support: firstly, excavating inwards on the outer side of a side slope, cleaning a large amount of unfavorable geological earthwork until a stable slightly weathered bedrock is reached, then drilling on the bedrock to form a retaining wall foundation trench, building a gravity type concrete high retaining wall in the foundation trench, and then backfilling the inner side of the retaining wall in a layering manner, thereby forming a relatively stable filling side slope; and secondly, constructing a plurality of anti-slide piles at the far slope toe below the outer side of the side slope, arranging concrete joists at pile tops, constructing a high retaining wall on the joists, and backfilling high-fill soil on the inner side of the retaining wall in a layered manner to form the high-fill side slope.
No matter the retaining wall is constructed after the slightly weathered bedrock is excavated, or the form of the anti-slide pile, the joist and the high retaining wall is adopted, the excavation of the foundation trench and the pile body takes longer time, the construction period is delayed, the concrete is difficult to transport in place, the appearance control difficulty of the concrete retaining wall is large in the construction process, earthwork is difficult to backfill, roll and compact, and the construction difficulty is large.
Disclosure of Invention
The invention aims to provide a construction method of a side slope protection structure, which can improve the construction efficiency.
The technical scheme adopted by the invention is as follows:
a construction method of a side slope protection structure comprises the following steps:
s1, setting out of a retaining wall foundation pit: cleaning loose soil and stones by brushing slopes, measuring and setting out according to the requirements on a construction drawing, and determining the mounting position of a retaining wall and the excavation depth of a foundation pit;
s2, foundation pit excavation and low-level bearing capacity detection: excavating a plurality of horizontal step platforms at different positions of the side slope, and then detecting each step platform
The foundation bearing capacity of each step platform is ensured to be not less than the design value;
s3, pour the pillar basis and become concrete and install the pillar: excavating foundation on the side slope, pouring concrete on the foundation to form concrete
The method comprises the following steps of pouring concrete of a strut foundation, installing the strut on the concrete of the strut foundation while pouring the concrete of the strut foundation, and curing and shaping the concrete of the strut foundation and the concrete of the strut foundation;
s4, panel installation and layered backfilling: manufacturing a plurality of panels and pull rods with the same size and specification in advance, wherein the panels are made of bubble mixed lightweight concrete, the back of each panel is provided with a pre-embedded rib, the pull rods are installed on the support columns, the pull rods are connected with the pre-embedded ribs of the panels, mortar is coated on the edges of the panels, and the steps of installing the pull rods, connecting the pull rods with the fixed panels and coating the mortar on the edges of the panels are repeated until the panels are built into a retaining wall;
panel mounting and layering are backfilled and are gone on in step, this moment the side slope with form the hole between the barricade, when a plurality of panels build into a layer upon layer barricade, toward the hole in the layering pour the mixed lightweight concrete of bubble to filling up the hole.
Above-mentioned technical scheme make full use of the advantage of bubble mixing lightweight concrete, the quality is little, the configuration is convenient, transport is swift, more important: reducing high filling load above the collapse accumulation body in the mountainous area and reducing the bearing capacity of the foundation required by filling; the construction method has the advantages that the construction platform of the main tower is formed by filling and rolling earth and stone in a layered mode instead of backfill and pouring the bubble mixed lightweight concrete in a layered mode, bubbles in the bubble mixed lightweight concrete have the independent and fine characteristics and also have dispersity, the bubble mixed lightweight concrete can be poured in a layered mode synchronously with a retaining wall on the outer side when being poured in a layered mode, and due to the fact that the bubble mixed lightweight concrete has good fluidity and self-standing performance after solidification, vibration and rolling operation is not needed when pouring is conducted, the filling height can be large at one time, construction noise is low, construction period is short, construction occupied area is small, convenience and rapidness are achieved, interference to the existing structure is small, and bearing capacity of a foundation needed by.
As an improvement of the above scheme, in step S3, a gravel cushion layer is laid first, and concrete is poured after compacting and leveling to form concrete of the pillar foundation, so that the concrete stability of the pillar foundation can be increased.
As an improvement of the above scheme, in step S3, after the pillars are installed, a plurality of diagonal braces or cables are continuously erected between the pillars and the concrete of the pillar foundation for offsetting the horizontal side pressure generated by the bubble-mixed lightweight concrete during backfilling, but because the step platform plays a part of supporting role and the bubble-mixed lightweight concrete is light in weight, the pressure borne by the pillars and the retaining wall is far less than that of the traditional construction scheme, the construction difficulty of the pillars and the retaining wall can be naturally reduced, and the construction efficiency is improved.
As an improvement of the scheme, when the stay is used for assisting in fixing the strut, part of the stay is anchored on the step platform, so that the strut is in a more stable state.
As an improvement of the above scheme, in step S4, a steel plate is used as a bearing surface, a fence is laid on the steel plate to form a steel form, and lightweight concrete is poured into the hollow vacant position of the fence to manufacture a panel. The front of panel can contact with the steel sheet, because the surface of steel sheet is comparatively level and smooth, the front of the panel of making is comparatively level and smooth pleasing to the eye also.
As an improvement of the above solution, in step S4, two adjacent panels are spliced in a staggered manner.
In the step S5, the thickness of the bubble-mixed lightweight concrete poured in each layer is 0.3 to 0.8m, and the concrete is allowed to stand for 1 to 3 hours after one layer is poured in each time.
The invention has the beneficial effects that: the advantage of the mixed lightweight concrete of bubble has been fully utilized to this scheme, on the basis of optimizing the construction flow appropriately alright in order to improve the efficiency of construction by a wide margin. The bubble mixed lightweight concrete is convenient to manufacture, avoids the difficulty in transportation, has high construction speed, can finish the construction of a platform retaining wall as long as the quality guarantee period, and reduces the construction cost; according to the method, the high fill above the unfavorable geology such as the mountain collapse accumulation body and the like and the first river of the retaining wall construction are created, the blank of the high fill above the unfavorable geology such as the mountain collapse accumulation body and the retaining wall construction is filled, and the reproducible successful experience is provided.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a construction flow chart of the method;
FIG. 2 is a side view of a side slope with a post and retaining wall;
FIG. 3 is a top view of the side slope with the posts and retaining wall;
FIG. 4 is a side view of the whole after the construction of the method is finished;
FIG. 5 is a schematic view of the back of one panel;
FIG. 6 is a schematic view of a steel mold for mass production of panels;
FIG. 7 is an enlarged top view of the junction of the post and the panel.
Detailed Description
In the description of the invention, the meaning of a plurality of the terms is one or more, the meaning of a plurality of the terms is two or more, and the terms larger, smaller, larger, etc. are understood to include no essential numbers, and the terms larger, smaller, etc. are understood to include essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the invention, unless otherwise explicitly defined, terms such as set, mounted, connected and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 7, the present invention is a construction method of a slope protection structure, which fully utilizes the advantages of the air bubble mixed lightweight concrete, and optimizes the construction method and the matched parts, including the following construction steps.
S1, setting out of a retaining wall foundation pit: and (4) brushing the slope of the loose soil and stones, performing measurement and setting-out according to the requirements on the construction drawing, and determining the mounting position of the retaining wall and the excavation depth of the foundation pit.
S2, foundation pit excavation and low-level bearing capacity detection: a plurality of horizontal step platforms 11 are excavated at different positions of the side slope 10, then the foundation bearing capacity of each step platform 11 is detected, and meanwhile, the foundation bearing capacity of each step platform 11 is not smaller than a design value. Referring to fig. 2 and 3, it can be seen that the slope 10 can be provided with step platforms 11 at different heights and in different directions,
the size and number of the step platforms 11 can be adjusted according to geological conditions.
S3, pour the pillar basis and become concrete and install the pillar 20: excavate the ground on side slope 10, then pour out the post basis concrete on the ground, install post 20 in the post basis concrete when pouring post basis concrete on, treat both solidification stereotypes. Wherein the support pillar 20
Corrosion and rust prevention treatment is required.
Preferably, the concrete of the construction pillar foundation is formed by firstly paving a gravel cushion layer with the thickness of 15cm, compacting and leveling the concrete, and then pouring concrete with the section of 50x90cm, so as to increase the stability of the concrete of the pillar foundation, in the embodiment, the pillar 20 is made of angle steel, the specification of the angle steel is ∠ 70mm x 6mm, and a mounting groove of 6x7cm is reserved when the angle steel is connected with the concrete of the pillar foundation.
Continue to set up a plurality of sprags or cable 21 between pillar 20 and the concrete of pillar basis after installation pillar 20, the different height at pillar 20 is connected to the one end of each sprag or each cable 21, be used for the atress of balanced pillar 20, be used for offsetting the horizontal lateral pressure that the bubble mixes the lightweight concrete produced when backfilling, nevertheless because step platform 11 plays the effect of partial bearing, and the light characteristics of bubble mixing lightweight concrete quality, the pressure that pillar 20 and barricade received is less than traditional construction scheme far away, can reduce the construction degree of difficulty of pillar 20 and barricade naturally, improve the efficiency of construction.
When the stay 21 assists in fixing the stay 20, a part of the stay 21 is also anchored to the step platform 11, so that the stay 20 is in a more stable state.
S4, installing and backfilling the panel 31 in layers: manufacturing a plurality of panels 31 and pull rods 22 with the same size and specification in advance, wherein the panels 31 are made of bubble mixed lightweight concrete, and the back of each panel 31 is provided with a pre-buried rib 32; the pull rod 22 is a steel bar and needs to be subjected to corrosion prevention and rust prevention treatment. The pull rod 22 is installed on the support post 20, and the pull rod 22 and the embedded ribs of the panel 31 are simultaneously installed
32, specifically referring to fig. 7, one tie rod 22 is bent into a U shape, the middle of the tie rod 22 is connected with the pillar 20, two ends of the tie rod 22 are connected with the embedded ribs 32 of the panels 31, at this time, the single panel 31 is fixed, and M15 mortar is coated on the edge of the panel 31, so that the two panels 31 can be spliced tightly. And repeating the steps of installing the pull rods 22, connecting and fixing the pull rods 22 with the panels 31 and coating mortar on the edges of the panels 31 until a plurality of panels 31 build the retaining wall.
The two adjacent panels 31 are spliced in a staggered manner, and it can be understood that the seam between the two panels 31 on the upper layer is located at the central axis position of the panel 31 on the lower layer.
The installation of the panels 31 and the layered backfilling are carried out synchronously, a pit is formed between the side slope 10 and the retaining wall, and when the retaining wall is built by a plurality of panels 31 layer by layer, the pit is filled with the bubble mixed lightweight concrete layer by layer until the pit is filled; when backfilling, the water outlet space of the water seepage blind hole and the groove and the concave joint between the panels 31 can be reserved, and the flat joint can be hooked and the joint can be smooth, smooth and beautiful; after backfilling, the retaining wall naturally becomes a permanent structure.
For example, the three-layer panel 31 is constructed, then the bubble-mixed lightweight concrete is poured to a height slightly equal to that of the three-layer panel 31, then the upper three-layer panel 31 is piled up, and then the bubble-mixed lightweight concrete is poured to a height slightly equal to that of the upper panel 31. A schematic view of the panels 31 just laid on the first course and not backfilled is shown in fig. 2, with tie rods 22 being added to the columns 20 as the panels 31 are stacked. The dotted line in fig. 4 represents five-layer pouring of the bubble-mixed lightweight concrete in the schematic view.
Referring to fig. 6 specifically, a steel plate is used as a bearing surface, a fence is laid on the steel plate to form a steel form 30, and lightweight concrete is poured into a vacant position of the fence to manufacture a panel 31. The fence is made of materials without strict requirements, and can be made of wood strips, aluminum strips or a combination of the wood strips and the aluminum strips. The panels 31 are typically formed as rectangular sheets for ease of stacking. The front surface of the panel 31 is in contact with the steel plate, and the surface of the steel plate is smooth, so that the front surface of the manufactured panel 31 is smooth and attractive.
Referring to the top view of fig. 3, two vertical retaining walls are disposed on the side slope 10, similar to an L-shape, and in other embodiments, the retaining walls may be extended into a U-shape. At the interface between two adjacent walls, the edge panel 31 may be an opposite panel, and the adjusting panel 31 may be cut by a steel saw. The position of the embedded ribs 32 of the panel 31 near the edge can be adjusted at the beginning of the design.
In order to reduce the phenomena of digestion and material separation of bubbles, a correct pouring method is adopted for pouring in the construction process, the pouring thickness is controlled, according to a large amount of experiments and construction experiences, the thickness of the bubble lightweight concrete poured in each layer is 0.3-0.8 m, and the bubble lightweight concrete is kept stand for 1-3 hours after one layer is poured in each time. Meanwhile, construction in rainy days is avoided.
And covering a plastic film and adding geotextile for curing after pouring is finished, wherein the curing time is not less than 7 d. The lightweight concrete has the characteristics of large cement consumption, favorable hydration heat temperature rise and good heat preservation performance, and the internal temperature rise of the lightweight concrete is 10 degrees higher than that of common concrete within 12-18 hours after pouring. The early strength is increased quickly to prevent from being frozen, but the temperature rise is too large to easily generate reticular and tortoise-shaped cracks, so the maintenance work is needed to be done, and the maintenance time is ensured. It should not be watered in winter.
The bubble mixed lightweight concrete belongs to raw materials which can be prepared according to the prior art, and the manufacturing process is roughly introduced here, so that the proportion of additives is not described again. Mixing water, cement and sandy soil in a container, adding water and foaming agent in a foaming device, regulating air pressure to make the foaming device produce bubble group, and mixing the mixture in the container with the bubble group to support the bubble mixed light concrete. Finally pumping the bubble mixed light concrete to the site. In actual construction, the production system of the bubble mixed lightweight concrete is directly arranged near a construction site, so that the maximum pumping distance is not more than 200m, the maximum height is not more than 50m, and the construction is very convenient.
The construction method has the following innovation points:
1. in order to meet the requirement of low bearing capacity of a collapse accumulation body in a mountainous area, a main pier permanent platform is formed by backfilling bubbles in a layered mode and mixing light concrete instead of earthwork. In order to reduce high filling load above a collapse accumulation body in a mountain area and reduce foundation bearing capacity required by filling, layered backfill is adopted to pour bubble mixed lightweight soil to replace earthwork for layered filling and rolling to form a main tower construction platform, the bubble mixed lightweight concrete can be poured in layers synchronously with an outer bubble mixed lightweight soil retaining wall, rolling is not required in the filling process of the bubble mixed lightweight concrete, the filling height can be greatly increased at one time, construction noise is low, the construction period is short, the occupied area of construction is small, convenience and rapidness are realized, the interference on the existing structure is small, the foundation bearing capacity required by filling is low, and the like. When the bubble mixed lightweight concrete is poured, the original mountain is excavated into the step platforms 11 for stubble connection, and each step platform 11 is backfilled in a partitioned and layered mode from bottom to top.
2. The outer side of the slope backfill is made of a retaining wall made of bubble mixed lightweight concrete, vertical formwork pouring can be achieved, and the construction is efficient and convenient. The bubble mixed lightweight concrete is produced by mixing and stirring a foaming agent, cement and water according to a certain mixing proportion, wherein the cement is a curing agent, is fast to solidify and can be vertically cast by a vertical mold, and the template structure hardly has extrusion force after being cured. The construction method has the characteristics of high efficiency, light weight, high pouring layer height, short construction period, small occupied area, convenience, rapidness and the like.
Of course, the design creation is not limited to the above embodiments, and the combination of different features of the above embodiments can also achieve good effects. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. A construction method of a side slope protection structure is characterized by comprising the following steps:
s1, setting out of a retaining wall foundation pit: cleaning loose soil and stones by brushing slopes, measuring and setting out according to the requirements on a construction drawing, and determining the mounting position of a retaining wall and the excavation depth of a foundation pit;
s2, foundation pit excavation and low-level bearing capacity detection: excavating a plurality of horizontal step platforms at different positions of the side slope, then detecting the foundation bearing capacity of each step platform, and simultaneously ensuring that the foundation bearing capacity of each step platform is not less than a design value;
s3, pour the pillar basis and become concrete and install the pillar: excavating a foundation on the side slope, pouring a pillar foundation concrete on the foundation, installing a pillar on the pillar foundation concrete while pouring the pillar foundation concrete, and curing and shaping the pillar foundation and the pillar foundation;
s4, panel installation and layered backfilling: manufacturing a plurality of panels and pull rods with the same size and specification in advance, wherein the panels are made of bubble mixed lightweight concrete, the back of each panel is provided with a pre-embedded rib, the pull rods are installed on the support columns, the pull rods are connected with the pre-embedded ribs of the panels, mortar is coated on the edges of the panels, and the steps of installing the pull rods, connecting the pull rods with the fixed panels and coating the mortar on the edges of the panels are repeated until the panels are built into a retaining wall;
panel mounting and layering are backfilled and are gone on in step, this moment the side slope with form the hole between the barricade, when a plurality of panels build into a layer upon layer barricade, toward the hole in the layering pour the mixed lightweight concrete of bubble to filling up the hole.
2. The construction method of a side slope protective structure according to claim 1, characterized in that: in the step S3, a gravel cushion is laid first, and concrete is poured after compaction and leveling to form the concrete of the pillar foundation.
3. The construction method of a side slope protection structure according to claim 2, characterized in that: in step S3, after the pillar is installed, a plurality of braces or cables are continuously erected between the pillar and the concrete of the pillar.
4. The construction method of a side slope protection structure according to claim 3, characterized in that: when the support is fixed by the aid of the guy cables, part of the guy cables are anchored on the step platforms.
5. The construction method of a side slope protective structure according to claim 1, characterized in that: in the step S4, a steel plate is used as a bearing surface, a fence is laid on the steel plate to form a steel form, and lightweight concrete is poured into the hollow vacant position of the fence to manufacture a panel.
6. The construction method of a side slope protection structure according to claim 5, characterized in that: in the step S4, two adjacent panels are spliced by a staggered joint.
7. The construction method of a side slope protective structure according to claim 1, characterized in that: in the step S5, the thickness of the bubble mixed lightweight concrete poured on each layer is 0.3-0.8 m, and the concrete is kept stand for 1-3 hours after one layer is poured each time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189932.4A CN110924405A (en) | 2019-11-28 | 2019-11-28 | Construction method of slope protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189932.4A CN110924405A (en) | 2019-11-28 | 2019-11-28 | Construction method of slope protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110924405A true CN110924405A (en) | 2020-03-27 |
Family
ID=69847450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911189932.4A Pending CN110924405A (en) | 2019-11-28 | 2019-11-28 | Construction method of slope protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110924405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719571A (en) * | 2020-07-08 | 2020-09-29 | 广州市恒盛建设工程有限公司 | Construction method for foam concrete reinforcement of confined space high-fill roadbed side slope |
| CN112815855A (en) * | 2020-12-31 | 2021-05-18 | 中铁广州工程局集团有限公司 | High slope displacement monitoring auxiliary measuring device and measuring method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140078395A (en) * | 2012-12-17 | 2014-06-25 | 한국철도기술연구원 | Anchored retaining wall of gravity block type, and constructing method for the same |
| CN105993673A (en) * | 2016-07-08 | 2016-10-12 | 三峡大学 | Vertical greening sheet-pile retaining wall and constructing method thereof |
| CN107386317A (en) * | 2017-07-03 | 2017-11-24 | 浙江大学城市学院 | Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil |
| CN206956742U (en) * | 2017-06-22 | 2018-02-02 | 重庆科技学院 | High precipitous rock roadbed side slope repair system |
| CN209040150U (en) * | 2018-09-07 | 2019-06-28 | 中铁第一勘察设计院集团有限公司 | A kind of rigid frame formula peg board retaining wall |
| CN110042716A (en) * | 2019-04-30 | 2019-07-23 | 杭州悦为科技有限公司 | Foam lightweight soil high-fill roadbed Widening Construction method |
-
2019
- 2019-11-28 CN CN201911189932.4A patent/CN110924405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140078395A (en) * | 2012-12-17 | 2014-06-25 | 한국철도기술연구원 | Anchored retaining wall of gravity block type, and constructing method for the same |
| CN105993673A (en) * | 2016-07-08 | 2016-10-12 | 三峡大学 | Vertical greening sheet-pile retaining wall and constructing method thereof |
| CN206956742U (en) * | 2017-06-22 | 2018-02-02 | 重庆科技学院 | High precipitous rock roadbed side slope repair system |
| CN107386317A (en) * | 2017-07-03 | 2017-11-24 | 浙江大学城市学院 | Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil |
| CN209040150U (en) * | 2018-09-07 | 2019-06-28 | 中铁第一勘察设计院集团有限公司 | A kind of rigid frame formula peg board retaining wall |
| CN110042716A (en) * | 2019-04-30 | 2019-07-23 | 杭州悦为科技有限公司 | Foam lightweight soil high-fill roadbed Widening Construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719571A (en) * | 2020-07-08 | 2020-09-29 | 广州市恒盛建设工程有限公司 | Construction method for foam concrete reinforcement of confined space high-fill roadbed side slope |
| CN112815855A (en) * | 2020-12-31 | 2021-05-18 | 中铁广州工程局集团有限公司 | High slope displacement monitoring auxiliary measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105421485B (en) | Construction method of high-fill prefabricated cast-in-situ combined pile slab wall protection structure | |
| CN109736346B (en) | Steel anchor pipe reinforced weathered rock stratum reinforced weighing type retaining wall structure and construction method | |
| US20100325819A1 (en) | Bridge approach and abutment construction and method | |
| CN205116217U (en) | Height is filled and is prefabricated cast -in -place combination formula stake siding wall protective structure | |
| CN107386317A (en) | Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil | |
| CA2842249A1 (en) | Prefabricated reinforced concrete wall panel and installation method | |
| CN112832079A (en) | Construction method of foamed light soil spliced wide-height highway embankment | |
| CN109750571A (en) | A kind of road landslide emergency and permanent supporting and retaining system integral structure and construction method | |
| CN104120736A (en) | Construction method of reinforced concrete retaining wall | |
| CN110924405A (en) | Construction method of slope protection structure | |
| CN108035379B (en) | Comprehensive pipe gallery and construction method thereof | |
| CN114775352A (en) | Widening structure for embankment wall section of existing roadbed in riverside and construction method | |
| CN206752667U (en) | A kind of basement barrier wall structure | |
| CN210216254U (en) | Concrete guardrail structure | |
| CN112813757B (en) | Foam light soil composite roadbed construction method for bridge head transition treatment | |
| CN111962557A (en) | Assembled greening retaining wall and construction method thereof | |
| CN111719571A (en) | Construction method for foam concrete reinforcement of confined space high-fill roadbed side slope | |
| CN109653241A (en) | Composite foundation reinforcement counterfort wall structure and construction method | |
| CN212956576U (en) | Confined space high fill roadbed side slope foam concrete's reinforced structure | |
| WO2008131480A1 (en) | Method of constructing building slabs and pavements and storing water | |
| JP6931876B2 (en) | How to build a permeable wall for slope reinforcement | |
| CN109371901B (en) | Pile bearing type retaining wall of cofferdam in dry period and construction method | |
| CN111809643A (en) | Open caisson construction method and open caisson structure | |
| CN206916773U (en) | Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil | |
| CN112813996A (en) | Construction method of deepwater cast-in-place concrete cofferdam |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200327 |