CN205776273U - Tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure - Google Patents
Tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure Download PDFInfo
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- CN205776273U CN205776273U CN201620565415.8U CN201620565415U CN205776273U CN 205776273 U CN205776273 U CN 205776273U CN 201620565415 U CN201620565415 U CN 201620565415U CN 205776273 U CN205776273 U CN 205776273U
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- retaining wall
- prestress anchorage
- balance weight
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- weight retaining
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Abstract
Tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure, it is made up of balance weight retaining wall (3) and prestress anchorage cable (6) two parts, balance weight retaining wall (3) includes retaining walls body, relieving platform (5) and retaining wall foundation (7), retaining wall foundation (7) is embedded on boulder bed or hard soil layer, retaining walls body is seated on retaining wall foundation (7), relieving platform (5) also and has angle between retaining walls body at mouth 1/3～1/2 with retaining walls, retaining walls body, unload to connect to pour by reinforcing bar and concrete between support plate (7) and retaining wall foundation (7) three and be integrated；Prestress anchorage cable (6) includes bunch ring, isolating frame (20), sleeve pipe, steel strand wires (14) and locating support, prestress anchorage cable (6) is mainly made by a plurality of steel strand wires (14), and prestress anchorage cable (6) is divided into anchoring section (13) and free end (12) two parts.
Description
Technical field
This utility model relates to tall earth fill supporting field, is specifically related to retaining wall and ties with prestress anchorage cable combination supporting
Structure technology.
Background technology
The most common slope retaining structure mainly has friction pile, gravity retaining wall, frame with anchors retaining wall and reinforcement
Soil retaining walls etc., every kind of support pattern has its specific scope of application, and for tall earth fill, all exists certain
Shortcoming.Such as, for friction pile, mainly it is made up of campshed and breast boards, its end lithosphere to be anchored at or stable
Soil layer, this can cause stake long long for tall earth fill, the shortcoming that cost is high；Gravity retaining wall, it is adaptable to highly
Relatively low side slope, it is impossible to for tall earth fill；Reinforced earth retaining wall is to utilize the interaction between tension rib and filler to reach
To slope supported effect, thus higher to tension rib quality of materials and laying thereof and the technological requirement such as connection, filling compaction, this meeting
Cause tall earth fill supporting construction cycle stretch-out, additionally when tension rib inner stuffing water content is more, it will reduce filler
And the frictional force between tension rib, when water containing the salt to tension rib with corrosiveness, also can reduce reinforced earth simultaneously
In the service life of retaining wall, its endurance issues is worthy of consideration.Outside the shortcoming of each supporting construction included on divided by, height is filled out
Near Slope top, side, produced by New Buildings, the bearing capacity of tall earth fill is controlled all to propose by additional load
Higher requirement, and above supporting construction the most all can not meet its safe practice index under conditions of meeting economy.
How to take the most effective, the most inexpensive supporting construction to meet high roadbed limit under certain load action
The requirement that slope bearing capacity controls, becomes the hot issue that Geotechnical Engineering circle is paid close attention to.
In the face of many technical barriers of tall earth fill supporting protection, rely on the single supporting construction of tradition the most without
Method rationally solves, and maximally effective approach is exactly to develop a kind of novel combined height on the supporting construction basis that tradition is single to fill out
Side's slope retaining structure, this structure both should be able to play the bank protection function to slope sticking type tall earth fill, should have again certain resisting
Topple and stability against slope.Meanwhile, this structure not only should meet the higher supporting height of tall earth fill and requires but also should fully protect
Demonstrate,prove the tall earth fill bearing capacity under certain load action and lateral deformation controls target, it is possible to ensure certain safe handling
The time limit, it is important that its economic and technical norms are feasible.
Summary of the invention
This utility model is tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure, load retaining wall keep off
Cob wall 3 and prestress anchorage cable 6 two parts composition, balance weight retaining wall 3 includes retaining walls body, relieving platform 5 and retaining wall foundation 7,
Retaining wall foundation 7 is embedded on boulder bed or hard soil layer, and retaining walls body is seated on retaining wall foundation 7, relieving platform 5 be positioned at away from
With retaining walls, mouth 1/3～1/2 also and has angle, retaining walls body, relieving platform 5 and retaining wall foundation 7 between retaining walls body
Connect to pour by reinforcing bar and concrete between three and be integrated；Prestress anchorage cable 6 includes bunch ring, isolating frame 20, sleeve pipe, steel
Twisted wire 14 and locating support, prestress anchorage cable 6 is mainly made by a plurality of steel strand wires 14, and prestress anchorage cable 6 is divided into anchoring section 13 He
Free segment 12 two parts.
This utility model, by combining balance weight retaining wall 3 and prestress anchorage cable 6 respective structure stress advantage, breaches
The limitation in height of tradition balance weight retaining wall 3 so that it is structure height up to 15～20m, increases balance weight retaining wall 3 simultaneously and resists
Topple and the safety stock of resistant slide, on the premise of certain bearing capacity is provided, reasonably controls the lateral change of tall earth fill
Shape.
Accompanying drawing explanation
Fig. 1 is the profile of tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure, and Fig. 2 is that height is filled out
Fang Bianpo balance weight retaining wall and the elevation of prestress anchorage cable combined support structure, Fig. 3 is prestress anchorage cable structural representation,
Fig. 4 is that prestress anchorage cable end anchorage fixes schematic diagram, reference and corresponding entitled: undisturbed soil 1, backfill soil 2, load retaining wall
Retaining wall 3, subsiding crack 4, relieving platform 5, prestress anchorage cable 6, retaining wall foundation 7, existing landforms line 8, osculum 9, prestressing force anchor head
10, expansion joint 11, free segment 12, anchoring section 13, steel strand wires 14, anchorage 15, stop grouting plug 16, to medium-height trestle 17, billet 18, lead
To cap 19, isolating frame 20.
Detailed description of the invention
As shown in Fig. 1 ~ Fig. 4, this utility model is tall earth fill balance weight retaining wall and prestress anchorage cable combination supporting
Structure, is made up of balance weight retaining wall 3 and prestress anchorage cable 6 two parts, and balance weight retaining wall 3 includes retaining walls body, unloading
Platform 5 and retaining wall foundation 7, retaining wall foundation 7 is embedded on boulder bed or hard soil layer, retaining walls body be seated retaining wall foundation 7 it
On, relieving platform 5 mouth 1/3～1/2 with retaining walls and and retaining walls body between have an angle, retaining walls body, unload
Connect to pour by reinforcing bar and concrete between microscope carrier 5 and retaining wall foundation 7 three and be integrated；Prestress anchorage cable 6 include bunch ring,
Isolating frame 20, vinyon sleeve pipe, steel strand wires 14 and locating support, prestress anchorage cable 6 is mainly made by a plurality of steel strand wires 14,
Prestress anchorage cable 6 is divided into anchoring section 13 and free segment 12 two parts.
As shown in Figure 1, Figure 3, the ripple that the anchoring section 13 of prestress anchorage cable 6 is formed by a series of bunch ring and isolating frame 20
Striated structure；First the free segment (12) of prestress anchorage cable (6) should eliminate rust, brush bituminous ship bottom paint, swathe with Colophonium glass-fiber-fabric again,
Swathing the number of plies and be no less than two layers, carry out anti-corrosion treatment, finally load in vinyon sleeve pipe, the polyethylene of free segment 12 is moulded
Butter filling, outer grafting engineering immobilization with adhesive tape is used in the length range of material sleeve pipe two ends 100～200mm；After anti-corrosion treatment,
More than 50mm in retaining walls body should be imbedded in the outer end of the free segment 12 of prestress anchorage cable 6.
It is evenly arranged as it is shown in figure 1, balance weight retaining wall 3 wall body reinforcing bar uses, relieving platform 5 and balance weight retaining wall 3 times
Carry out reinforcing bar encryption at wall to arrange.
Arrange, according to topographic features, along slope side as in figure 2 it is shown, the subsiding crack 4 of retaining walls body and expansion joint 11 merge
Arrange together to every 12～17m, with Colophonium hemp cut or scribble the plank interior outside along seam of Colophonium, the filling of wall top.
As shown in Figure 1 and Figure 2, arranging osculum 9 on barricade, osculum about 9 is crisscross arranged, and uses pre-buried pvc pipe to stay
If, hole inner tube grating cobble cincture.
As it is shown in figure 1, angle is 10～45 between prestress anchorage cable 6 and balance weight retaining wall 3.
As shown in Figure 1, Figure 3, prestress anchorage cable 6 position in the middle and lower part of balance weight retaining wall wall body 3, particular location according to
The engineering stress characteristic of tall earth fill and soil property hydrologic condition calculate and determine, when the wall body of balance weight retaining wall 3 is constructed in advance
Position height and retaining wall rear fill compaction degree designed by stress anchor cable 6 reach to fill when requiring, by prestress anchorage cable (6)
Holing in constructing soil body in position, and puts in holed position, so by prestress anchorage cable 6 through balance weight retaining wall 3 wall body
After in boring, pour pea gravel concreten to anchoring section 13 place suitable for reading of prestress anchorage cable 6, set up device for prestressing afterwards,
On prestress anchorage cable 6, applying pulling force is to designing prestress value, by anchorage, the reinforcing bar of the free segment 12 of prestress anchorage cable 6 is solid
It is scheduled on balance weight retaining wall wall body 3, and casting concrete in the preformed hole position of balance weight retaining wall wall body 3, so that in advance
Stress anchor cable 6 and balance weight retaining wall 3 firmly connect and pour in one, thus form a complete stress supporting construction,
Angle is had between prestress anchorage cable 6 and balance weight retaining wall 3.
As shown in Figure 1 and Figure 2, balance weight retaining wall 3 wall body reinforcing bar uses and is evenly arranged, relieving platform 5 and balance weight retaining wall
Carry out reinforcing bar encryption at 3 times walls to arrange.The subsiding crack 4 of retaining walls body and expansion joint 11 merge setting, according to topographic features, edge
Direction, slope is arranged together every 12～17m, stitches wide 20～30mm, with Colophonium hemp cut or scribble the plank of Colophonium along inside and outside seam
Side, the filling of wall top, thickness is not preferably less than 200mm.Arranging osculum 9 on barricade, osculum about 9 is crisscross arranged, and spacing is 3
× 3m, uses pre-buried pvc pipe to stay and sets, a diameter of 100mm, hole inner tube grating cobble cincture.Prestress anchorage cable 6 keeps off with load retaining wall
Between cob wall 3, angle is 10～45.
Concrete work progress is: as shown in Fig. 1 ~ Fig. 4, according to prestress anchorage cable 6 number of channels and the position height of correspondence thereof
With the height of relieving platform 5, dividing construction progress, this construction method is existing high to this utility model as a example by twice prestress anchorage cable 6
Embankment side slope balance weight retaining wall does to illustrate, wherein from barricade with the construction method of prestress anchorage cable combined support structure
Basis 7 construction was the Ith stage before constructing to first prestress anchorage cable 6, started construction to second anchor cable from first anchor cable 6
6 construction end were the IIth stage, were the IIIth stage before second anchor cable 6 construction terminates to construct to relieving platform 5, and relieving platform 5 is executed
Work was the IVth stage, and relieving platform 5 construction terminates to complete to be the Vth stage to remaining engineering construction.Existing specific explanations is described as follows:
1, the Ith staged construction:
(1) retaining wall foundation 7 is constructed: 1. balance weight retaining wall basis 7 must be arranged on boulder bed or hard soil layer, and excavation is deep
Degree is not less than 2.0m, after excavate, through measure check, foundation bearing capacity detection, two indexs are satisfied by design requirement, and warp
Supervising engineer checks and accepts can carry out foundation construction；2. clear up substrate, disturbed soil and the junk of substrate are cleaned out also
Focus on；3. installation form, before model sheetinstallat, be by template smearing release agent, in installation process, seam to be ensured is tight
Close, overall firm.
(2) balance weight retaining wall (3) construction: 1. install according to the balance weight retaining wall 3 cross section geometric position dimension of design
Template, during model sheetinstallat, it is ensured that seam is tight, and plate body is straight, overall firm；2. by each reinforcing bar 4 position after formwork completes
Lay fixing reinforcing bar；3. slip casting, during slip casting should prevent the generation of the phenomenons such as swollen mould, spillage, cast concrete, should set special messenger's inspection
Look into the firm situations such as locating support, template, reinforcing bar and built-in fitting, when be found to have loosening, deform, shift time, should process in time, mixed
Solidifying soil is when eminence is directly dumped, and its drop height degree that freely inclines is no more than 2m, and there is not segregation phenomenon, when inclining, drop height degree exceedes
During 2m, the facility such as tumbling barrel, elephant trunk or vibrating spout should be passed through and fall, when the drop height degree that inclines is more than 10m, should arrange deceleration device (
The differing heights of tumbling barrel sets multidirectional baffle plate).(note: strength grade of concrete is C35 can use from mixing mixed according to execution conditions
Solidifying soil.Retaining walls body reinforcing bar uses and is evenly arranged, and relieving platform 5 is arranged with the encryption of lower wall, thickness of protection tier 50mm).
(3) treatment of construction joints: the position of construction joint should determine before concrete is poured into a mould, be preferably retained in structure by shearing and
Moment of flexure is less and is easy to the position constructed, and forbids setting construction joint at weight platform.Will be to concrete surface when construction joint is set
Plucking to be carried out or dabbing process, and are beneficial to the good combination of concrete.
(4) construction at expansion joint 11: the subsiding crack 4 of balance weight retaining wall 3 merges setting with expansion joint 11, needs according to concrete
Topographic features, arranges together every 12～17m along direction, slope, stitches wide 20～30mm, with Colophonium hemp cut or the wood that scribbles Colophonium
Plate is clogged along interior outside, the wall top of seam, and thickness is not preferably less than 200mm.
(5) osculum 9 is constructed: osculum about 9 is crisscross arranged, and spacing is 3x3m, uses pre-buried pvc pipe to stay and sets, diameter
For 100mm, pipe end grating cobble cincture behind hole.
(6) backfill: retaining walls body is through checking and accepting and after strength test satisfied design requirement, after supervising engineer ratifies
Carrying out wall back of the body backfill, compacting is filled in horizontal slice, and lift height is not less than 0.95 no more than 30cm, compacting factor, and strengthens
Edge is tamped, and is both needed to carry out compactness inspection after every layer time fill compaction, until it reaches design requires that carrying out next layer again returns
Fill out, be compacted.
2, the IIth staged construction:
(1) prestress anchorage cable 6 makes: first require to intercept anchor cable body material according to design；Carry out antirust by design requirement
Preservative treatment；It is placed in straight for the anchor cable body material handled well on making support；Prestress anchorage cable 6 anchoring section 13 makes and uses
A series of bunch ring and isolating frame 20 make corrugated, form Semen Jujubae shape after slip casting.The full section of anchor cable 6 needs to remove contamination to remove
Rust, the free segment 12 of prestress anchorage cable 6 also needs to grease, the protection of overcoat φ 22mm vinyon casing off.Prestressing force
Anchor cable 6 uses high strength steel strand 14 to make, and steel strand wires 14 have to comply with existing national standards, and " steel for prestressed concrete twists
Line " regulation.Use the steel strand wires 14 of the φ 15.2mm being made up of 7 steel wires, intensity rank 1860MPa.Locking anchor force needs
Determine no less than the pulling test of 3 anchor cables 6 in conjunction with on-the-spot.
(2) installation of prestress anchorage cable 6: before the installation of prestress anchorage cable 6, boring is re-started inspection, to collapse hole, falls
Blocks etc. are cleared up or are processed；Anchor cable body is carried out detailed inspection, the overcoat damaged, accessory etc. are repaired；Strictly press
Making anchor cable 6 position according to design requirement, it is ensured that anchorage base top surface is vertical with drilling axis, fastener head uses OVM series anchorage.
Kong Zhongqian inserted by anchor cable 6, should first arrange locating support, it is ensured that steel strand wires 14 are in the centre of boring, and locating support is along steel
Muscle length be spaced about 2m.The free segment 12 of prestress anchorage cable 6 uses rust cleaning, brush bituminous ship bottom paint, Colophonium glass-fiber-fabric to swathe it
The number of plies is no less than two layers, loads in sleeve pipe, sleeve pipe the two ends 100～200mm length model of free segment 12 after carrying out anti-corrosion treatment
Enclose interior butter filling, outer grafting engineering immobilization with adhesive tape.After anti-corrosion treatment, free segment 12 outer end of prestress anchorage cable 6
More than 50mm in people's retaining walls body should be buried.
(3) slip casting of prestress anchorage cable 6: prestress anchorage cable 6 slip casting uses secondary high-pressure slip-casting.Injecting paste material uses cement
Slurry (M20), the ratio of mud 0.45.Slurry should be by design preparation, anchor cable 6 slip casting slip casting in two times, during once grouting, and slurry water gray scale
1:0.45～0.50；Secondary high-pressure slip-casting slurry water gray scale about 1:0.50～0.55；Secondary grouting should after once grouting initial set,
Carry out before final set or carry out when the cement consolidating strength formed reaches 5.0MPa, grouting pressure the most preferably less than 1.5MPa.
(4) stretch-draw: carry out stretch-draw when prestress anchorage cable 6 concretion body strength reaches more than the 75% of design.First pre-stretch-draw,
Integral tension again.Pre-tensile load is the 10% of design prestress value, and integral tension load is divided into Pyatyi and applies, and front level Four is respectively
For the 25% of design strength, 50%, 75%, 100%, carry out next stage stretch-draw after stablizing 5min respectively, afterbody is design stress
110%, stabilization time, 10min, was back to 100%.Stretch-draw completed in 48 hours, if loss of prestress is prestressed more than design
10%, stretch-draw should be compensated, compensate stretch-draw and once reach design stress.
(5) pour: after prestress anchorage cable 6 tensioning fixation completes, pour in the inside of balance weight retaining wall 3.
(6) after above-mentioned work completes, repeat the construction of (2) steps-balance weight retaining wall 3 in the Ith stage, the
(3) step-treatment of construction joints, the construction at (4) steps-expansion joint 11, the construction of (5) steps-osculum 9, (6th) step
Suddenly-backfill, when arriving second construction prestressed cable position, carries out the construction of second prestress anchorage cable, i.e. repeats
The making of (1) step-prestress anchorage cable 6 in second stage, the installation of (2) steps-prestress anchorage cable 6, (3rd) step
Suddenly-the slip casting of prestress anchorage cable 6, (4) steps-stretch-draw, (5th) step-pour, complete second construction prestressed cable.
3, the IIIth staged construction:
Constructed by the retaining walls body of second prestress anchorage cable 6 position to relieving platform 5 position and be backfilling and compacted and execute
Work is according to the construction of (2) steps-balance weight retaining wall 3 in the Ith stage, (3) steps-treatment of construction joints, (4th) step
Suddenly construct in-expansion joint 11, the construction of (5) steps-osculum 9, (6th) step backfill construction operation order carry out.
4, the IVth staged construction:
(1) construction of relieving platform 5: 1. according to the cross section geometric position dimension installation form of the relieving platform 5 designed, template is pacified
During dress, it is ensured that seam is tight, and plate body is straight, overall firm；2. after formwork completes, fixing reinforcing bar is laid by each reinforcement location；
3. slip casting, during slip casting should prevent the generation of the phenomenons such as swollen mould, spillage, cast concrete, should set special messenger and check locating support, mould
The firm situations such as plate, reinforcing bar and built-in fitting, when be found to have loosening, deform, shift time, should process in time.Strength grade of concrete
It is C35, can use from mixed concrete according to execution conditions.Retaining walls body reinforcing bar uses and is evenly arranged, relieving platform 5 and Xia Qiang
Encryption is arranged, thickness of protection tier 50mm.
(2) backfill: relieving platform 5 is through checking and accepting and after strength test satisfied design requirement, ratifying through supervising engineer laggard
Soil body backfill below row relieving platform 5.
5, the Vth staged construction:
Constructed by relieving platform 5 and terminate to the engineering construction of remaining retaining walls body and be backfilling and compacted construction according to the Ith stage
In the construction of (2) steps-balance weight retaining wall 3, (3) steps-treatment of construction joints, the executing of (4) steps-expansion joint 11
Work, the construction of (5) steps-osculum 9, (6th) step-backfill construction operation order are carried out.So far high roadbed can be realized
Side slope balance weight retaining wall and prestress anchorage cable combined support structure.
Claims (5)
1. tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure, by balance weight retaining wall (3) and in advance should
Power anchor cable (6) two parts form, it is characterised in that balance weight retaining wall (3) includes retaining walls body, relieving platform (5) and barricade base
Plinth (7), retaining wall foundation (7) is embedded on boulder bed or hard soil layer, and retaining walls body is seated on retaining wall foundation (7), unloads
Microscope carrier (5) also and has angle, retaining walls body, relieving platform between retaining walls body at mouth 1/3～1/2 with retaining walls
(5) and connect to pour between retaining wall foundation (7) three by reinforcing bar and concrete and be integrated；Prestress anchorage cable (6) includes bunch
Ring, isolating frame (20), sleeve pipe, steel strand wires (14) and locating support, prestress anchorage cable (6) is mainly made by a plurality of steel strand wires (14)
Making, prestress anchorage cable (6) is divided into anchoring section (13) and free segment (12) two parts.
Tall earth fill balance weight retaining wall the most according to claim 1 and prestress anchorage cable combined support structure, it is special
Levy and be: balance weight retaining wall (3) wall body reinforcing bar uses and is evenly arranged, and relieving platform (5) enters with balance weight retaining wall (3) Xia Qiangchu
The encryption of row reinforcing bar is arranged.
Tall earth fill balance weight retaining wall the most according to claim 1 and prestress anchorage cable combined support structure, it is special
Levy and be: the subsiding crack (4) of retaining walls body and expansion joint (11) merge and arrange, according to topographic features, along direction, slope every
12～17m are arranged together, with Colophonium hemp cut or scribble the plank interior outside along seam of Colophonium, the filling of wall top.
Tall earth fill balance weight retaining wall the most according to claim 1 and prestress anchorage cable combined support structure, it is special
Levying and be: arrange osculum (9) on barricade, osculum (9) is crisscross arranged up and down, uses pre-buried pvc pipe to stay and sets, hole inner tube
Grating cobble cincture.
Tall earth fill balance weight retaining wall the most according to claim 1 and prestress anchorage cable combined support structure, it is special
Levy and be: between prestress anchorage cable (6) and balance weight retaining wall (3), angle is 10～45.
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| CN201620565415.8U CN205776273U (en) | 2016-06-14 | 2016-06-14 | Tall earth fill balance weight retaining wall and prestress anchorage cable combined support structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724421A (en) * | 2017-09-19 | 2018-02-23 | 无锡市交通工程有限公司 | A kind of retaining wall and its construction method |
| CN108005097A (en) * | 2017-12-15 | 2018-05-08 | 兰州理工大学 | High gradient slope top of the slope construction/build thing anchor raft foundation construction and construction method |
| CN108179725A (en) * | 2017-12-29 | 2018-06-19 | 深圳春沐源控股有限公司 | Ecological revetment structure |
| CN109235490A (en) * | 2018-11-16 | 2019-01-18 | 青岛业高建设工程有限公司李沧分公司 | Retaining wall and its construction method |
| CN109403372A (en) * | 2018-10-29 | 2019-03-01 | 中铁四院集团西南勘察设计有限公司 | Abrupt slope road structure and its construction method |
| CN110258627A (en) * | 2019-07-18 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Combined type anchor draws road shoulder retaining wall and its construction method |
| CN111119232A (en) * | 2020-01-23 | 2020-05-08 | 贵州星隆迪岩土工程有限公司 | Improved pile-support two-layer retaining wall structure and construction method |
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2016
- 2016-06-14 CN CN201620565415.8U patent/CN205776273U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724421A (en) * | 2017-09-19 | 2018-02-23 | 无锡市交通工程有限公司 | A kind of retaining wall and its construction method |
| CN108005097A (en) * | 2017-12-15 | 2018-05-08 | 兰州理工大学 | High gradient slope top of the slope construction/build thing anchor raft foundation construction and construction method |
| CN108005097B (en) * | 2017-12-15 | 2024-02-23 | 兰州理工大学 | High-steep slope top construction/building anchor raft foundation structure and construction method |
| CN108179725A (en) * | 2017-12-29 | 2018-06-19 | 深圳春沐源控股有限公司 | Ecological revetment structure |
| CN109403372A (en) * | 2018-10-29 | 2019-03-01 | 中铁四院集团西南勘察设计有限公司 | Abrupt slope road structure and its construction method |
| CN109235490A (en) * | 2018-11-16 | 2019-01-18 | 青岛业高建设工程有限公司李沧分公司 | Retaining wall and its construction method |
| CN109235490B (en) * | 2018-11-16 | 2024-05-03 | 青岛业高建设工程有限公司 | Retaining wall and construction method thereof |
| CN110258627A (en) * | 2019-07-18 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Combined type anchor draws road shoulder retaining wall and its construction method |
| CN111119232A (en) * | 2020-01-23 | 2020-05-08 | 贵州星隆迪岩土工程有限公司 | Improved pile-support two-layer retaining wall structure and construction method |
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