CN104912085A - Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing - Google Patents
Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing Download PDFInfo
- Publication number
- CN104912085A CN104912085A CN201510296875.5A CN201510296875A CN104912085A CN 104912085 A CN104912085 A CN 104912085A CN 201510296875 A CN201510296875 A CN 201510296875A CN 104912085 A CN104912085 A CN 104912085A
- Authority
- CN
- China
- Prior art keywords
- weight plate
- barricade
- column
- wall
- columnar
- 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
- 210000000474 Heel Anatomy 0.000 claims abstract description 17
- 210000003371 Toes Anatomy 0.000 claims abstract description 9
- 230000000903 blocking Effects 0.000 claims description 31
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005303 weighing Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 18
- 239000002689 soil Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000004567 concrete Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The invention discloses a dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing. The device comprises a plurality of columnar supporting and retaining walls which are arranged on the two sides of a road and extend along the road direction, wherein each columnar supporting and retaining wall comprises a columnar retaining wall, an upper balance-weight plate and a lower balance-weight plate; the upper balance-weight plate and the lower balance-weight plate are arranged on the outer side of the columnar retaining wall and are vertical to the columnar retaining wall; the lower balance-weight plate is arranged at the bottom of the columnar retaining wall; the upper balance-weight plate is positioned above the lower balance-weight plate; a slope type wall heel is arranged at the bottom of the columnar retaining wall and comprises a wall heel which is arranged at the bottom of the columnar retaining wall and a wall toe plate which is arranged on the inner side of the bottom of the columnar retaining wall and is vertical to the columnar retaining wall; diagonal bracing strips are arranged above the wall toe plate. According to the dual-weighing plate column type road cutting supporting and retaining device with diagonal bracing provided by the invention, the labor intensity of field workers can be reduced, the operation condition is improved, the effect of environmental protection is improved, and the project cost is reduced.
Description
Technical field
The present invention relates to cutting field of engineering technology, particularly the two weight plate column type cutting of one band diagonal brace props up blocking means.
Background technology
At present, existing highway, railway slope retaining structure often adopt gravity incline structure, and the chest slope in this structure is generally 1:0.1 ~ 1:0.2, its for execution conditions be artificial slotting excavation.But along with popularizing of big machinery, present side slope has all achieved big machinery excavation, and interim grade of side slope of constructing far delays in 1:0.2, and therefore above-mentioned retaining structure is difficult to support oneself, and causes constructional difficulties; In addition, this structure ground fringe conditions is behind backfill by original state Change in surrounding rocks, and soil pressure obviously increases.Because Gravity Retaining Wall needs by self gravitation opposing soil pressure, therefore need concrete and the stone material of at substantial, and floor space is large, need more excavation operations, the feature of environmental protection is poor; In addition, plain concrete Gravity Retaining Wall poor seismic behavior, owing to being by concrete opposing pulling force, therefore can not give full play to material property, less economical; And retaining wall, then shock resistance is more not good, and the labour intensity of workman is high in construction operation, and construction quality is difficult to be effectively guaranteed.The problems referred to above all show: traditional plain concrete or mortar flag stone gravity structure have lagged far behind real material, design and construction technical condition, therefore must carry out technology innovation.
Summary of the invention
In view of this, the invention provides the two weight plate column type cutting of a kind of band diagonal brace and prop up blocking means, thus effectively can reduce on-the-spot manual labor's intensity, improve operating condition, improve environment protecting, reduce engineering cost.
Technical scheme of the present invention is specifically achieved in that
The two weight plate column type cutting of a kind of band diagonal brace props up blocking means, and this device comprises: be multiplely separately positioned on road both sides and prop up barricade along the column that road direction extends;
Described column is propped up barricade and is comprised: column barricade, be arranged on described column barricade outside and the upper weight plate vertical with described column barricade and lower weight plate;
Described lower weight plate is arranged on the bottom of described column barricade;
Described upper weight plate is positioned at the top of lower weight plate;
The bottom of described column barricade is provided with slope formula wall heel; Shown in the heel of slope formula wall comprise and be arranged on wall heel bottom described column barricade and be arranged on the bottom inside of described column barricade and the toe of wall plate vertical with described column barricade;
The top of described toe of wall plate is provided with diagonal brace bar.
Preferably, described column is propped up barricade and is comprised center pillar and side column; Described center pillar is arranged on road both sides, and described side column is arranged on the predeterminable range place, outside of described center pillar.
Preferably, also comprise in described device: locking anchor pole;
One end of described locking anchor pole is connected with native end of facing of described upper weight plate, and the other end of described locking anchor pole is fixed in side slope.
Preferably, the two weight plate column type cutting of described band diagonal brace props up blocking means is reinforced concrete structure.
As above visible, because the two weight plate column type cutting of the band diagonal brace in the present invention props up blocking means, premised on big machinery excavation construction, avoid slotting to excavate manually to build by laying bricks or stones, and take full advantage of the feature of the high-strength light of reinforced concrete structure, utilize the intensity of structure own instead of weight resistance soil pressure, thus significantly can reduce quantity of masonry, and by using the modes such as precast construction effectively to improve component quality, reduce on-the-spot manual labor's intensity, improve efficiency of construction, quality, improve operating condition, increase safety, improve environment protecting and performance, the cost of effective reduction portal retaining structure.In addition, employ two weight plate because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, therefore can make full use of the ballast effect of backfill, effectively reduce overturning moment, utilize inverted T-shaped cross section resist torque, section of significantly optimizing structure.In addition, owing to have employed locking anchor pole in the device in the present invention, ingenious utilization is constructed the supporting force of interim side slope and draw knot force, greatly strengthens the stability of structure, mechanical characteristic of optimizing structure.In addition, slope formula wall heel is additionally used because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, when therefore making barricade slide, while overcome friction, also must overcome the gravity of the ballast soil body, thus add the resistant slide ability without back timber wall segment significantly.In addition, additionally use column prop up barricade and inclined support structure because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, thus effectively can improve overall stability and the stress performance of structure, overall structure also can be made simultaneously more attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the schematic cross-sectional view that the two weight plate column type cutting of band diagonal brace in the embodiment of the present invention props up blocking means.
Fig. 2 be cross dimensions in the embodiment of the present invention with cross dimensions of the prior art compare schematic diagram.
Fig. 3 is the schematic diagram of the two weight plated constructions in the embodiment of the present invention.
Fig. 4 is the schematic diagram of the locking anchor pole in the embodiment of the present invention.
Fig. 5 is the schematic diagram of the slope formula wall heel structure in the embodiment of the present invention.
Fig. 6 is the schematic diagram of the diagonal brace bar in the embodiment of the present invention.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the present invention is described in more detail.
Present embodiments provide the two weight plate column type cutting of a kind of band diagonal brace and prop up blocking means.
Fig. 1 is the schematic cross-sectional view that the two weight plate column type cutting of band diagonal brace in the embodiment of the present invention props up blocking means.As shown in Fig. 1 ~ Fig. 6, the two weight plate column type cutting of the band diagonal brace in the embodiment of the present invention props up blocking means and mainly comprises: be multiplely separately positioned on road both sides and prop up barricade 11 along the column that road direction extends;
Described column is propped up barricade 11 and is comprised: column barricade 21, be arranged on described column barricade 21 outside and the upper weight plate 22 vertical with described column barricade 21 and lower weight plate 23;
Described lower weight plate 23 is arranged on the bottom of described column barricade 21;
Described upper weight plate 22 is positioned at the top of lower weight plate 23;
The bottom of described column barricade 21 is provided with slope formula wall heel 24; Shown in slope formula wall heel 24 comprise and be arranged on wall heel 241 bottom described column barricade and be arranged on the bottom inside of described column barricade 24 and the toe of wall plate 242 vertical with described column barricade 24;
The top of described toe of wall plate 242 is provided with diagonal brace bar 25.
Preferably, in a particular embodiment of the present invention, described column is propped up barricade 21 and is comprised center pillar 211 and side column 212; Described center pillar 211 is arranged on road both sides, and described side column 212 is arranged on the predeterminable range place, outside of described center pillar 211.Described predeterminable range can pre-set according to practical situations, does not repeat them here.
Preferably, in a particular embodiment of the present invention, the two weight plate column type cutting of described band diagonal brace props up in blocking means and is also provided with locking anchor pole 26; One end of described locking anchor pole 26 is connected with native end of facing of described upper weight plate 22, and the other end of described locking anchor pole 26 is fixed in side slope.
Preferably, in a particular embodiment of the present invention, the two weight plate column type cutting of described band diagonal brace props up the reinforced concrete structure that blocking means is high strength.
Along with building material technology by leaps and bounds develops, in existing specification, the grade of spendable concrete strength reaches C80, and the grade of the conventional concrete strength used reaches C40; Spendable characteristic value of strength of steel bar reaches 500MPa, and the conventional characteristic value of strength of steel bar used also reaches 400Mpa.Therefore, in the inventive solutions, the two weight plate column type cutting of above-mentioned band diagonal brace props up blocking means and will adopt high strength RC structure, thus structure section size can be effectively reduced, reduce earthwork, give full play to material behavior and strength advantage, improve structural seismic performance, environment-friendly advantage is given prominence to.Fig. 2 be cross dimensions in the embodiment of the present invention with cross dimensions of the prior art compare schematic diagram, as shown in Figure 2, the two weight plate column type cutting of band diagonal brace in the embodiment of the present invention props up the cross dimensions of blocking means, is significantly less than the cross dimensions of slope supporting structure of the prior art.
In addition, according to above-mentioned technical scheme, the two weight plate column type cutting of band diagonal brace in the present invention props up in blocking means and additionally uses two weight plated construction.Fig. 3 is the schematic diagram of the two weight plated constructions in the embodiment of the present invention, as shown in Figure 3, the board-like cutting of two weight props up upper weight plate in blocking means and the upper and lower soil body is divided into two parts by lower weight plate, make geostatic shield figure be two little triangles by a large Triangles Optimization, total earth pressure reduces greatly; Further, cover effect due to the soil body on two weight plates, body of wall being toppled to facing native face, substantially increasing the resistance to capsizing of structure; In addition, lower weight plate also can reduce further soil pressure depth of interaction, improve structure resistance to capsizing, and make corner backfill difficulty triangle portion construction more convenient.Adopt above-mentioned pair of weight plated construction effectively can also be combined with construction sequence, utilize backfill face to build as bed die, make weight plate pouring construction more convenient and economical.Therefore, owing to have employed two weight plated construction, body of wall moment of flexure is reduced so not only can effectively balance, but also a barricade can be made to be optimized for biasing member by simple bending component, thus substantially increase the stress performance of structure, effectively can improve two weight plate supporting capacity, make two weight plated construction have more reasonability and economy.
In addition, according to above-mentioned technical scheme, the two weight plate column type cutting of band diagonal brace in the present invention props up in blocking means and additionally uses locking anchor pole.Fig. 4 is the schematic diagram of the locking anchor pole in the embodiment of the present invention, as shown in Figure 4, locking anchor structure is have employed because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, upper weight plate is faced soil end and side slope strong bonded, therefore not only make wall-retaining structure and interim side slope in conjunction with as a whole, substantially increase the overturning or slip resistance analysis of wall-retaining structure, stability against slope, but also make weight plated construction stress form be optimized for Gang Jie one end, one end hinged structure by cantilever construction, thus substantially reduce weight plate root bending moment, reduce the maximal bending moment of soil-baffling structure entirety, structure economics is strengthened further.
In addition, according to above-mentioned technical scheme, the two weight plate column type cutting of band diagonal brace in the present invention props up in blocking means and additionally uses slope formula wall heel structure.Fig. 5 is the schematic diagram of the slope formula wall heel structure in the embodiment of the present invention, as shown in Figure 5, owing to have employed slope formula wall heel in technical scheme of the present invention, force wall-retaining structure must move up while free face planar movement, thus the ballast effect of the top soil body of beam type weight plate can be made full use of, not only increase resistant slide ability, and cause the oriented trend of facing native face and toppling of overall structure, therefore can increase considerably integrally-built stability.
In addition, according to above-mentioned technical scheme, the two weight plate column type cutting of band diagonal brace in the present invention props up in blocking means and additionally uses oblique stay structure.Fig. 6 is the schematic diagram of the diagonal brace bar in the embodiment of the present invention, as shown in Figure 6, owing to have employed inclined support structure in technical scheme of the present invention, the middle and lower part of namely propping up barricade in column is provided with diagonal brace bar, utilize diagonal brace bar, post and bottom girder (i.e. toe of wall plate) to form three-legged structure outside a wall plane, substantially increase the resistance to capsizing of structure; And, make full use of the support top power of diagonal brace and the transverse property of post, optimize structure stressed, make column prop up barricade bottom stress form and be optimized for two fixed ends component by cantilever member, strengthen the globality of structure.
In addition, according to above-mentioned technical scheme, the barricade that the two weight plate column type cutting of band diagonal brace in the present invention props up in blocking means additionally uses pole structure.As shown in Figure 1, owing to have employed pole structure in technical scheme of the present invention, not only make overall structure more attractive in appearance, and the feature that lining cutting, the stability of post and vertical bending resistance are large can be utilized, effectively reduce the thickness of shingle nail, improve whole structural stability and economy.
In summary, because the two weight plate column type cutting of the band diagonal brace in the present invention props up blocking means, premised on big machinery excavation construction, avoid slotting to excavate manually to build by laying bricks or stones, and take full advantage of the feature of the high-strength light of reinforced concrete structure, utilize the intensity of structure own instead of weight resistance soil pressure, thus significantly can reduce quantity of masonry, and by using the modes such as precast construction effectively to improve component quality, reduce on-the-spot manual labor's intensity, improve efficiency of construction, quality, improve operating condition, increase safety, improve environment protecting and performance, the cost of effective reduction portal retaining structure.In addition, employ two weight plate because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, therefore can make full use of the ballast effect of backfill, effectively reduce overturning moment, utilize inverted T-shaped cross section resist torque, section of significantly optimizing structure.In addition, owing to have employed locking anchor pole in the device in the present invention, ingenious utilization is constructed the supporting force of interim side slope and draw knot force, greatly strengthens the stability of structure, mechanical characteristic of optimizing structure.In addition, slope formula wall heel is additionally used because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, when therefore making barricade slide, while overcome friction, also must overcome the gravity of the ballast soil body, thus add the resistant slide ability without back timber wall segment significantly.In addition, additionally use column prop up barricade and inclined support structure because the two weight plate column type cutting of the band diagonal brace in the present invention props up in blocking means, thus effectively can improve overall stability and the stress performance of structure, overall structure also can be made simultaneously more attractive in appearance.
As from the foregoing, the two weight plate column type cutting of the band diagonal brace in the present invention props up blocking means and goes for the side slope such as highway, railway and from steady, cannot need prop up the tunnel portal engineering of gear, can be specifically the artificial structure adopting steel concrete to carry out upward slope in tunnel supporting.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (4)
1. the two weight plate column type cutting of band diagonal brace props up a blocking means, and it is characterized in that, this device comprises: be multiplely separately positioned on road both sides and prop up barricade along the column that road direction extends;
Described column is propped up barricade and is comprised: column barricade, be arranged on described column barricade outside and the upper weight plate vertical with described column barricade and lower weight plate;
Described lower weight plate is arranged on the bottom of described column barricade;
Described upper weight plate is positioned at the top of lower weight plate;
The bottom of described column barricade is provided with slope formula wall heel; Shown in the heel of slope formula wall comprise and be arranged on wall heel bottom described column barricade and be arranged on the bottom inside of described column barricade and the toe of wall plate vertical with described column barricade;
The top of described toe of wall plate is provided with diagonal brace bar.
2. device according to claim 1, is characterized in that,
Described column is propped up barricade and is comprised center pillar and side column;
Described center pillar is arranged on road both sides, and described side column is arranged on the predeterminable range place, outside of described center pillar.
3. device according to claim 2, is characterized in that, also comprises in described device: locking anchor pole;
One end of described locking anchor pole is connected with native end of facing of described upper weight plate, and the other end of described locking anchor pole is fixed in side slope.
4. device according to claim 3, is characterized in that:
It is reinforced concrete structure that the two weight plate column type cutting of described band diagonal brace props up blocking means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296875.5A CN104912085A (en) | 2015-06-03 | 2015-06-03 | Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510296875.5A CN104912085A (en) | 2015-06-03 | 2015-06-03 | Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104912085A true CN104912085A (en) | 2015-09-16 |
Family
ID=54081489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510296875.5A Pending CN104912085A (en) | 2015-06-03 | 2015-06-03 | Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104912085A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073670A (en) * | 2021-03-18 | 2021-07-06 | 上海建工四建集团有限公司 | Side form structure of deep foundation and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100997727B1 (en) * | 2008-04-11 | 2010-12-01 | 최승희 | Construction structure of breast wall in groundcutted area and construction method thereof |
| CN201746843U (en) * | 2010-08-02 | 2011-02-16 | 中国水电顾问集团华东勘测设计研究院 | High slope supporting and road retaining wall integrated structure |
| CN202430742U (en) * | 2011-12-23 | 2012-09-12 | 福建工程学院 | Precast slab assembly soil retaining wall |
| CN203741868U (en) * | 2013-10-11 | 2014-07-30 | 山西宏厦建筑工程有限公司 | Reinforced concrete retaining wall structure with combined anchor wire |
| CN104389320A (en) * | 2014-11-17 | 2015-03-04 | 杭州江润科技有限公司 | Construction method of pile foundation anchor rope prestress high retaining wall |
| CN204728340U (en) * | 2015-06-03 | 2015-10-28 | 中铁工程设计咨询集团有限公司 | The two weight plate column type cutting of a kind of band diagonal brace props up blocking means |
-
2015
- 2015-06-03 CN CN201510296875.5A patent/CN104912085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100997727B1 (en) * | 2008-04-11 | 2010-12-01 | 최승희 | Construction structure of breast wall in groundcutted area and construction method thereof |
| CN201746843U (en) * | 2010-08-02 | 2011-02-16 | 中国水电顾问集团华东勘测设计研究院 | High slope supporting and road retaining wall integrated structure |
| CN202430742U (en) * | 2011-12-23 | 2012-09-12 | 福建工程学院 | Precast slab assembly soil retaining wall |
| CN203741868U (en) * | 2013-10-11 | 2014-07-30 | 山西宏厦建筑工程有限公司 | Reinforced concrete retaining wall structure with combined anchor wire |
| CN104389320A (en) * | 2014-11-17 | 2015-03-04 | 杭州江润科技有限公司 | Construction method of pile foundation anchor rope prestress high retaining wall |
| CN204728340U (en) * | 2015-06-03 | 2015-10-28 | 中铁工程设计咨询集团有限公司 | The two weight plate column type cutting of a kind of band diagonal brace props up blocking means |
Non-Patent Citations (7)
| Title |
|---|
| 彭磊等: "设置卸荷板的扶壁式挡土墙的特殊应用", 《建筑结构》 * |
| 李海光等: "《新型支挡结构设计与工程实例》", 31 December 2004, 人民交通出版社 * |
| 李道荣: "《土木制图》", 30 June 1980 * |
| 王成才等: "卸荷板式挡墙的受力分析与设计", 《黑龙江水专学报》 * |
| 郑防修等: "锚杆扩大基础衡重式挡墙在工程中的应用", 《山西建筑》 * |
| 陈兴长: "《岩土支挡与锚固工程教程》", 31 May 2014, 西安交通大学出版社 * |
| 马立杰等: "《路基路面工程》", 31 August 2014, 清华大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073670A (en) * | 2021-03-18 | 2021-07-06 | 上海建工四建集团有限公司 | Side form structure of deep foundation and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226403B (en) | Construction method of large-span subway station main body by using arched cover method and station main body structure | |
| CN103485363B (en) | Three-dimensional continuous frame formula reinforced concrete structure retaining wall | |
| CN210459228U (en) | Building foundation pit supporting device | |
| CN106088650A (en) | A kind of building with brick-concrete structure underground that is applicable to increases method and the building of layer | |
| CN103061788A (en) | Loose broken tunnel top plate reinforcing and supporting method | |
| CN102691302B (en) | Concrete structure for supporting deep foundation pit | |
| CN103215889B (en) | A kind of arch bridge base for poor geological conditions and construction method thereof | |
| CN110629671A (en) | Suspension bridge anchorage and construction method thereof | |
| CN104805850A (en) | Vertex-aligning buttress balancing plate type cutting supporting block device | |
| CN103527201B (en) | Coal mine shaft lining pit shaft steel pipe concrete bracket and concrete pipe sheet suspension device | |
| CN204662461U (en) | One props up blocking means to the board-like cutting of top counterfort weight | |
| CN204728340U (en) | The two weight plate column type cutting of a kind of band diagonal brace props up blocking means | |
| CN104818724A (en) | Cutting supporting and retaining device with dual balance weight plates | |
| CN201665875U (en) | Light gravity-type anti-earthquake concrete retaining wall | |
| CN204662460U (en) | A kind of two board-like cutting of weight props up blocking means | |
| CN104912085A (en) | Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing | |
| CN205205833U (en) | Soil nail and stock combined type double row pile underground structure | |
| CN205188976U (en) | Drag -line double row pile supporting construction | |
| CN103939115B (en) | A kind of method of half shallow mining method hangar tunnel and structure | |
| CN105178355A (en) | Stratum pre-reinforcement treatment method for underground space construction | |
| CN104695447B (en) | deep basement support | |
| CN206607595U (en) | A kind of T-shaped pattern foundation pit supporting structure | |
| KR101258043B1 (en) | Eco-friendly reinforced retainaing wall and construction method thereof | |
| KR101213589B1 (en) | Prefabricated retaining wall and fabricating method thereof | |
| CN205998106U (en) | A kind of taper pile bearing platform type wing wall structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20150916 |