CN107386317A - Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil - Google Patents

Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil Download PDF

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Publication number
CN107386317A
CN107386317A CN201710531316.7A CN201710531316A CN107386317A CN 107386317 A CN107386317 A CN 107386317A CN 201710531316 A CN201710531316 A CN 201710531316A CN 107386317 A CN107386317 A CN 107386317A
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CN
China
Prior art keywords
concrete
base
guardrail
barricade
protection 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
Application number
CN201710531316.7A
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Chinese (zh)
Inventor
王新泉
黄天元
雷波
童庆
陈金祥
俞红光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University City College ZUCC
Zhejiang Provincial Institute of Communications Planning Design and Research Co Ltd
Original Assignee
Zhejiang University City College ZUCC
Zhejiang Provincial Institute of Communications Planning Design and Research Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang University City College ZUCC, Zhejiang Provincial Institute of Communications Planning Design and Research Co Ltd filed Critical Zhejiang University City College ZUCC
Priority to CN201710531316.7A priority Critical patent/CN107386317A/en
Publication of CN107386317A publication Critical patent/CN107386317A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0275Retaining or protecting walls characterised by constructional features cast in situ

Abstract

The present invention relates to excavation foam concrete lightweight barricade after a kind of first precompressed of deep ultra-soft soil, including:Concrete base, angle steel, foam concrete barricade, pre-buried ring, reinforced concrete guardrail base, column, PVC drain pipe, concrete protection panels;Concrete base, rubble levelling blanket are provided with soil layer, concrete base is provided with concrete protection panels, and concrete protection panels are provided with pre-buried ring, bottom steel fabric sheet and top layer wire mesh sheet are provided with inside foam concrete barricade;Angle steel vertically is provided with inside foam concrete barricade, foam concrete barricade top is provided with reinforced concrete guardrail base, and chassis interior is provided with PVC drain pipe, and chassis interior is provided with guardrail sleeve, and guardrail upper cartridge is provided with guardrail.The beneficial effects of the invention are as follows:In order to save non-renewable land resource, improve conventional high rate highway embankment and mainly constructed in the form of slope, Expressway Embankment carries out scientific design, rationally using soil, reduces cost.

Description

Foam concrete lightweight barricade and construction are excavated after a kind of first precompressed of deep ultra-soft soil Method
Technical field
The present invention relates to a kind of foam concrete lightweight barricade and construction method, more particularly to a kind of deep ultra-soft soil is first pre- Foam concrete lightweight barricade and construction method are excavated after pressure, belongs to subgrade engineering field.
Background technology
Due to the low bearing capacity of soft clay area soil matrix layer, road retaining wall slump phenomenon happens occasionally, and is difficult to reach during construction Requirement of the barricade to the bearing capacity of ground is grouted to conventional articulated gravity formula, according to Reinforced Concrete Retaining Walls, then needs first precompressed to repair again Build, not only can not be synchronous with roadbed filling, problems are also brought, while new expense can be produced, and the duration can also extend.Mesh Preceding widely used foam concrete can greatly reduce the requirement to foundation bearing capacity, and have globality because its unit weight is small Well, construction is quick, need not roll, intensity forms the characteristics of very fast, through mixed economy Technical comparing, has in soft clay area extensive Applicability.
Shortage of land resource at this stage, conventional embankment is constructed in the form of slope will certainly take a large amount of farmlands.Together Shi Bianpo excavation destroys original vegetation cover, causes substantial amounts of secondary barren occur and serious soil erosion shows As.Furthermore the soft clay area network of rivers is gathered, it is possible that because field condition limits do not reach as defined in slope requirement, this is undoubtedly To designing and construction brings huge trouble.
In consideration of it, in order to save non-renewable land resource, sustainable development road is walked, is rationally made using soil, reduction Valency, it would be highly desirable to invent a kind of simple and effective foam concrete lightweight barrier wall structure.Handle well the construction of highway with along line-group Many production and living recent demands and the relation of development at a specified future date, reach the purpose to economize on resources.
The content of the invention
It is an object of the invention to improve conventional high rate highway embankment mainly to construct in the form of slope, to highway Embankment carries out scientific design, rationally using soil, reduces cost, has preferable technical economic benefit.
To realize above-mentioned technical purpose, present invention employs following technical scheme:
The present invention relates to foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil, the deep ultra-soft soil is first pre- Foam concrete lightweight barricade is excavated after pressure mainly by concrete base, angle steel, foam concrete barricade, pre-buried ring, reinforced concrete guardrail Base, column, PVC drain pipe, concrete protection panels etc. form;Concrete base, rubble levelling blanket are provided with soil layer, concrete base is provided with Concrete protection panels, concrete protection panels are provided with pre-buried ring, bottom steel fabric sheet and top layer steel are provided with inside foam concrete barricade Silk netting;Angle steel vertically is provided with inside foam concrete barricade, foam concrete barricade top is provided with reinforced concrete guardrail base, bottom Seat is internal to be provided with PVC drain pipe, and chassis interior is provided with guardrail sleeve, and guardrail upper cartridge is provided with guardrail.
Concrete base is provided with groove, and concrete protection panels are provided with groove, and panel end sets reserved bar dowel concrete protection face Plate can be cast-in-place also prefabricated pre-, and concrete protection panels are fixed with concrete base using screw rod when prefabricated, rear pouring concrete are set in gap, when cast-in-place Both sides install concrete protection panels template, and set template split bolt.
Concrete protection panels are provided with grout hole, and two pre-buried rings are symmetrical arranged on the outside of grout hole.
Two pre-buried ring ends are provided with connection reinforcing bar, and connection reinforcing bar is provided with pull bar or fix bar, the pull bar or fix bar one End is provided with angle steel.
Foam concrete barricade is provided with the inside of concrete protection panels, barricade bottom is provided with rubble levelling blanket, barricade inner transverse Provided with top layer wire mesh sheet and bottom steel fabric sheet, vertically provided with angle steel.
Foam concrete barricade top is provided with reinforced concrete guardrail base.
Guardrail base can be cast-in-place also prefabricated, pre-buried bar in road surface structare layer when cast-in-place, and pre-buried bar top sets shield Column base template, oblique template bottom are fixed in concrete protection panels, and the vertical formwork at oblique template and middle part is used to drawing spiral shell Bar is fixed, and middle part vertical formwork is fixed with end vertical formwork using strut, and rubble french drain is provided with pavement structure, and it is pushed up Portion is provided with and blocks water band, and top is provided with guardrail sleeve.
Guardrail sleeve inner is provided with column, and column is provided with wave beams.
The present invention excavates foam concrete lightweight Retaining wall method after also providing a kind of first precompressed of deep ultra-soft soil, including Following steps:
(1) basement process:Basement process can use plastic draining board, cement mixing pile or pile for prestressed pipe.
(2) side slope of embankment is excavated:Former embankment digs out bubble according to excavating after design requirement slope precompressed to design attitude Foam concrete step trough.
(3) cushion construction:Construction concrete base, pre-buried angle steel when base is constructed, while construction rubble levelling blanket on the inside of base.
(4) construction concrete protection panels:It is if prefabricated:Concrete protection panels are then lifted into the rim of a cup of concrete base, after adjustment position Concrete protection panels are fixed with concrete base using screw rod, and mortar is then poured into rim of a cup;It is if cast-in-place:Then concrete base groove two is collateral If concrete protection panels template, and template split bolt is set, subsequent casting concrete.
(5) angle steel is connected with concrete protection panels:Connection reinforcing bar is inserted in adjacent two pre-buried ring in concrete protection panels, is drawn Bar or fixed boom end bending are hung on connection reinforcing bar, are socketed with angle steel V-type.
(6) bottom steel wire is arranged:Placement layer by layer foam concrete, reach and lay bottom after placing bottom steel wire absolute altitude Steel wire, continue thereafter with and pour foam concrete.
(7) top layer wire net is arranged:Placement layer by layer foam concrete, reach and lay bottom after placing top layer wire network mark height Steel wire, continue thereafter with and pour foam concrete to designed elevation.
(8) concrete protection panels preformed hole grouting:Foam concrete pours completion and poured into the preformed hole of concrete protection panels Cement mortar.
(9) construction guardrail base:If cast-in-place, formwork supporting plate pouring reinforcement concrete guardrail base, angle steel stretching to guardrail base Inside, reserves guardrail sleeve on base, construction rubble french drain on the inside of base;Prefabricated guardrail base is installed if prefabricated.
(10) guardrail is installed:Column is placed in guardrail sleeve inner, and reinforced concrete guardrail base top sets and blocks water band.Stud end Obstruction block is installed in portion, is then installed wave beams with connecting bolt and is fixed.
The present invention has the characteristics of following and beneficial effect:
(1) in order to save non-renewable land resource, conventional high rate highway embankment is improved mainly in the form of slope Construction, scientific design is carried out to Expressway Embankment, rationally using soil, reduce cost.
(2) embankment both sides use foam concrete lightweight barricade, and outside sets concrete protection panels, accelerates construction speed.
(3) concrete protection panels socket structure using V-type with foam concrete barricade and are connected, and construction is simple is quick, protect simultaneously The structural stability of embankment is demonstrate,proved.
Brief description of the drawings
Fig. 1 is excavation foam concrete lightweight barrier wall structure schematic diagram after the first precompressed of the deep ultra-soft soil of the present invention;
Fig. 2 is the cast-in-place formwork schematic diagram of concrete protection panels of the present invention;
Fig. 3 is Prefabricated Concrete protection panels of the present invention and concrete base joint face figure;
Fig. 4 is concrete protection panels of the present invention and Bolted angle connection schematic diagram;
Fig. 5 is concrete protection panels of the present invention and Bolted angle connection profile;
Fig. 6 is the cast-in-place guardrail base formwork schematic diagram of the present invention;
Fig. 7 is guardrail scheme of installation of the present invention;
Fig. 8 is Specific construction flow chart of the present invention.
Wherein:4. barricade of slag roadbed, the 5. former 6. existing angle steel of roadbed side slope 1. the concrete base 3. of rubble levelling blanket 2. is delayed 7. 8. foam concrete of bottom steel fabric sheet, 9. pull bar, 10. cement mortar, 11. pre-buried ring 12. connects the protection of the concrete of reinforcing bar 13. The top layer wire mesh sheet 15. of panel 14. increases the reinforced concrete guardrail base of 17. guardrail sleeve of angle steel 16.PVC drainpipes 18. newly 19. the connecting bolt 26. of 22. road surface of roadbed, 23. column, 24. obstruction block 25. on the road surface structare layer 21. of rubble french drain 20. It is pre-buried that wave beams 27. block water band 28. rear pouring concrete, 29. screw rod, 30. guardrail base template, 31. Screw arbor with nut at both-ends, 32. struts 33. The road surface drainage of 34. 35. template split bolt of concrete protection panels template of bar 36..
Embodiment
Concreting technical requirements, the filling of embankment fill material and construction technical requirement, the construction skill of highway surface layer Art requirement etc., the present invention is not repeated, and emphasis illustrates structure and construction method of the present invention.
Fig. 1 is to excavate foam concrete lightweight barrier wall structure schematic diagram, reference picture 1 after the first precompressed of the present invention deep ultra-soft soil Foam concrete lightweight barricade is excavated after the shown first precompressed of deep ultra-soft soil, by mainly by concrete base 2, angle steel, foam coagulation Native barricade 8, pre-buried ring 11, reinforced concrete guardrail base 18, column 23, PVC drain pipe 16, concrete protection panels 13 etc. form;Soil layer In be provided with concrete base 2, base is strip footing, wide 600mm, the wide 25m rubbles levelling blanket 1 of groove, thickness 300mm, concrete base 2 Concrete protection panels 13, panel thickness 40mm are provided with, concrete protection panels 13 are provided with pre-buried ring 11, and pre-buried ring is diameter 4mm steel Muscle, ring diameter 20mm, the distance of two interannulars is 200mm, and the inside of foam concrete barricade 8 is provided with bottom steel fabric sheet 7 and top layer Steel fabric sheet 14;The inside of foam concrete barricade 8 is vertically provided with L75*75*6 angle steel, and the top of foam concrete barricade 8 is provided with Reinforced concrete guardrail base 18, base bottom stretch into 80mm, upper wide 75mm, and chassis interior is provided with diameter 50mm PVC drain pipe 16, It is 35mm that chassis interior, which is provided with the sleeve center line of guardrail sleeve 17 apart from chassis outer side, and depth 60mm, the top of guardrail sleeve 17 is provided with Guardrail, fence upright hem width 130mm, thickness 6mm.
Fig. 2 is the cast-in-place formwork schematic diagram of concrete protection panels of the present invention, and both sides install concrete protection panels when cast-in-place as shown in Figure 2 Template 34, template are bamboo slab rubber, thickness of slab 4mm, and set template split bolt 35.
Fig. 3 Prefabricated Concrete protection panels of the present invention and concrete base joint face figure, when prefabricated as shown in Figure 3 concrete protection panels 13 with Concrete base is fixed using screw rod 29, and rear pouring concrete 28 is set in gap.
Fig. 4 is concrete protection panels of the present invention and foam concrete lightweight barricade connection diagram, and Fig. 5 is concrete protection of the present invention Panel is connected profile with foam concrete lightweight barricade, as shown in Fig. 4~Fig. 5:The two pre-buried ends of ring 11 are provided with diameter 12mm's Reinforcing bar 12 is connected, connection reinforcing bar 12 is provided with direct 10mm pull bars or fix bar 9, and pull bar or the one end of fix bar 9 are provided with angle steel.
Fig. 6 is the cast-in-place guardrail base formwork schematic diagram of the present invention, pre-buried in road surface structare layer when cast-in-place as shown in Figure 6 Bar 33, the pre-buried top of bar 33 set guardrail base template 30, and oblique template bottom is fixed in concrete protection panels, oblique template with The vertical formwork at middle part is fixed using Screw arbor with nut at both-ends 31, and middle part vertical formwork is fixed with end vertical formwork using strut.
Fig. 7 is guardrail scheme of installation of the present invention, and the inside of guardrail sleeve 17 as shown in Figure 4 is provided with column 23, guardrail sleeve Set every 2000mm, hem width 180mm in guardrail sleeve, fix obstruction block with M18*170 connecting bolts on column, prevent from advising soon Lattice are 300*200*290*4.5, wave beams 26 are connected on obstruction block, using M16*40 connecting bolts.
As shown in figure 8, the present invention comprises the following steps:
(1) side slope of embankment is excavated:Former embankment digs out bubble according to excavating after design requirement slope precompressed to design attitude Foam concrete step trough
(2) cushion construction:Construction concrete base 2, pre-buried angle steel when base is constructed, while construction rubble levelling blanket on the inside of base 1;
(3) concrete protection panels 13 are installed:Concrete protection panels 13 are lifted into the rim of a cup of concrete base 2, in cup after adjustment position Mortar is poured into mouthful.
(4) angle steel is connected with concrete protection panels 13:Connection is inserted in adjacent two pre-buried ring 11 in concrete protection panels 13 Reinforcing bar 12, pull bar or the bending of the end of fix bar 9 are hung on connection reinforcing bar 12, are socketed with angle steel V-type.
(5) bottom steel wire 7 is arranged:Placement layer by layer foam concrete, reach and lay bottom after placing the absolute altitude of bottom steel wire 7 Layer steel wire 7, continues thereafter with and pours foam concrete.
(6) top layer wire net 14 is arranged:Placement layer by layer foam concrete, reach and laid after placing the absolute altitude of top layer wire net 14 Bottom steel wire 14, continue thereafter with and pour foam concrete to designed elevation.
(7) preformed hole grouting of concrete protection panels 13:Foam concrete pours completion and filled in the preformed hole of concrete protection panels Enter cement mortar.
(8) construction guardrail base:Formwork supporting plate pouring reinforcement concrete guardrail base 18, inside angle steel stretching to guardrail base, bottom Guardrail sleeve 17 is reserved on seat, rubble french drain 19 of being constructed on the inside of base.
(9) guardrail is installed:Column 23 is placed in inside guardrail sleeve 17, and the top of reinforced concrete guardrail base 18 sets and blocks water band 27.Wave beams 26 are then installed fixation by 23 installation obstruction blocks 24 of stud end with connecting bolt 25.

Claims (9)

1. excavate foam concrete lightweight barricade after a kind of first precompressed of deep ultra-soft soil, it is characterised in that mainly by concrete base (2), angle steel, foam concrete barricade (8), pre-buried ring (11), reinforced concrete guardrail base (18), column (23), PVC drain pipe (16) formed with concrete protection panels (13);Concrete base (2), rubble levelling blanket (1) are provided with soil layer, concrete base (2) is provided with concrete Protection panels (13), concrete protection panels (13) are provided with pre-buried ring (11), bottom steel wire are provided with inside foam concrete barricade (8) Mesh sheet (7) and top layer wire mesh sheet (14);Vertically angle steel, foam concrete barricade (8) are provided with inside foam concrete barricade (8) Top is provided with reinforced concrete guardrail base (18), and chassis interior is provided with PVC drain pipe (16), and chassis interior is provided with guardrail sleeve (17), guardrail sleeve (17) top is provided with guardrail.
2. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 1, it is characterised in that Concrete base (2) is provided with groove, and concrete protection panels (13) are provided with groove, and panel end sets set aside pre-embedded bar (33) concrete to protect Panel (13) is cast-in-place or prefabricated, and concrete protection panels (13) and concrete base are fixed using screw rod (29) when prefabricated, after being set in gap Concrete (28) is poured, both sides install concrete protection panels template (34) when cast-in-place, and set template split bolt (35).
3. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 1, it is characterised in that Concrete protection panels (13) are provided with grout hole, and two pre-buried rings (11) are symmetrical arranged on the outside of grout hole.
4. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 3, it is characterised in that Two pre-buried ring (11) ends are provided with connection reinforcing bar (12), and connection reinforcing bar (12) is provided with pull bar (9), and described pull bar (9) one end is provided with Angle steel.
5. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 1, it is characterised in that Foam concrete barricade (8) is provided with the inside of described concrete protection panels (13), barricade (8) bottom is provided with rubble levelling blanket (1), gear Wall (8) inner transverse is provided with top layer wire mesh sheet (14) and bottom steel fabric sheet (7), vertically provided with angle steel.
6. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 1, it is characterised in that Foam concrete barricade (8) top is provided with reinforced concrete guardrail base (18).
7. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 6, it is characterised in that Guardrail base (18) is cast-in-place or prefabricated, pre-buried bar (33) in road surface structare layer when cast-in-place, and pre-buried bar (33) top is set Guardrail base template (30), oblique template bottom are fixed in concrete protection panels, and the vertical formwork at oblique template and middle part uses Screw arbor with nut at both-ends (31) is fixed, and middle part vertical formwork is fixed with end vertical formwork using strut, is provided with pavement structure broken Stone french drain (19), its top, which is provided with, blocks water band (27), and top is provided with guardrail sleeve (17).
8. excavate foam concrete lightweight barricade after the first precompressed of deep ultra-soft soil according to claim 7, it is characterised in that Column (23) is provided with inside guardrail sleeve (17), column (23) is provided with wave beams (26).
9. the construction party of foam concrete lightweight barricade is excavated after a kind of first precompressed of deep ultra-soft soil as claimed in claim 1 Method, it is characterised in that comprise the following steps:
1) basement process:Basement process plastic draining board, cement mixing pile or pile for prestressed pipe;
2) side slope of embankment is excavated:Former embankment digs out foam and mixed according to excavating after design requirement slope precompressed to design attitude Coagulate native step trough;
3) cushion construction:Construction concrete base (2), pre-buried angle steel when base is constructed, while construction rubble levelling blanket 1 on the inside of base;
4) construction concrete protection panels (13):It is if prefabricated:Concrete protection panels (13) are then lifted into the rim of a cup of concrete base (2), adjustment Concrete protection panels (13) are fixed using screw rod (29) with concrete base behind position, and mortar is then poured into rim of a cup;It is if cast-in-place:Then concrete Base groove both sides install concrete protection panels template (34), and set template split bolt (35), subsequent casting concrete;
5) angle steel is connected with concrete protection panels (13):Connection is inserted in adjacent two pre-buried ring (11) in concrete protection panels (13) Reinforcing bar (12), the bending of pull bar (9) end are hung on connection reinforcing bar (12), socketed with angle steel V-type;
6) bottom steel wire (7) is arranged:Placement layer by layer foam concrete, reach and lay bottom after placing bottom steel wire (7) absolute altitude Layer steel wire (7), continues thereafter with and pours foam concrete;
7) top layer wire net (14) is arranged:Placement layer by layer foam concrete, reach and laid after placing top layer wire net (14) absolute altitude Bottom steel wire (14), continues thereafter with and pours foam concrete to designed elevation;
8) concrete protection panels (13) preformed hole grouting:Foam concrete pours completion, in the preformed hole of concrete protection panels (13) Pour into cement mortar;
9) construction guardrail base:If cast-in-place, formwork supporting plate pouring reinforcement concrete guardrail base (18), in angle steel stretching to guardrail base Portion, reserves guardrail sleeve (17) on base, construction rubble french drain (19) on the inside of base;Prefabricated guardrail base is installed if prefabricated ;
10) guardrail is installed:Column (23) is placed in guardrail sleeve (17) inside, and reinforced concrete guardrail base (18) top sets and blocks water band (27);Column (23) end installation obstruction block (24), then wave beams (26) are installed with connecting bolt (25) and fixed.
CN201710531316.7A 2017-07-03 2017-07-03 Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil Pending CN107386317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710531316.7A CN107386317A (en) 2017-07-03 2017-07-03 Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710531316.7A CN107386317A (en) 2017-07-03 2017-07-03 Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil

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CN107386317A true CN107386317A (en) 2017-11-24

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CN201710531316.7A Pending CN107386317A (en) 2017-07-03 2017-07-03 Foam concrete lightweight barricade and construction method are excavated after a kind of first precompressed of deep ultra-soft soil

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110924405A (en) * 2019-11-28 2020-03-27 中铁广州工程局集团有限公司 Construction method of slope protection structure
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110924405A (en) * 2019-11-28 2020-03-27 中铁广州工程局集团有限公司 Construction method of slope protection structure
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

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