CN206916773U - Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil - Google Patents
Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil Download PDFInfo
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- CN206916773U CN206916773U CN201720790453.8U CN201720790453U CN206916773U CN 206916773 U CN206916773 U CN 206916773U CN 201720790453 U CN201720790453 U CN 201720790453U CN 206916773 U CN206916773 U CN 206916773U
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Abstract
Foam concrete lightweight barricade is excavated after the utility model is related to the 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 utility model are：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
Technical field
A kind of foam concrete lightweight barricade is the utility model is related to, is more particularly to opened after a kind of first precompressed of deep ultra-soft soil
Foam concrete lightweight barricade is dug, 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
A kind of valency, it would be highly desirable to simple and effective foam concrete lightweight barrier wall structure of utility model.Handle construction and the edge of highway well
The many production and living recent demands of line-group and the relation of development at a specified future date, reach the purpose to economize on resources.
Utility model content
The purpose of this utility model is that improve conventional high rate highway embankment is mainly constructed in the form of slope, at a high speed
Highway embankment carries out scientific design, rationally using soil, reduces cost, has preferable technical economic benefit.
To realize above-mentioned technical purpose, the utility model employs following technical scheme：
Foam concrete lightweight barricade, the deep ultra-soft soil are excavated after the utility model is related to the first precompressed of deep ultra-soft soil
Foam concrete lightweight barricade is excavated after first precompressed 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, on concrete base
Provided with concrete protection panels, concrete protection panels are provided with pre-buried ring, and bottom steel fabric sheet and top are provided with inside foam concrete barricade
Layer steel fabric sheet；Angle steel vertically is provided with inside foam concrete barricade, foam concrete barricade top is provided with reinforced concrete guardrail bottom
Seat, chassis interior are 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 utility model 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 utility model；
Fig. 2 is the cast-in-place formwork schematic diagram of the utility model concrete protection panels；
Fig. 3 is the utility model Prefabricated Concrete protection panels and concrete base joint face figure；
Fig. 4 is the utility model concrete protection panels and Bolted angle connection schematic diagram；
Fig. 5 is the utility model concrete protection panels and Bolted angle connection profile；
Fig. 6 is the cast-in-place guardrail base formwork schematic diagram of the utility model；
Fig. 7 is the utility model guardrail scheme of installation；
Fig. 8 is the utility model Specific construction flow chart.
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 concrete of reinforcing bar 13. and protected
The top layer wire mesh sheet 15. of protection slab 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 utility model is not repeated, and emphasis illustrates the structure and construction method that the utility model is related to.
Fig. 1 is excavation foam concrete lightweight barrier wall structure schematic diagram after the first precompressed of the deep ultra-soft soil of the utility model, is joined
According to foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil shown in Fig. 1, by mainly by concrete base 2, angle steel, foam
Concrete guard wall 8, pre-buried ring 11, reinforced concrete guardrail base 18, column 23, PVC drain pipe 16, concrete protection panels 13 etc. form；
Concrete base 2 is provided with soil layer, base is strip footing, wide 600mm, the wide 25m rubbles levelling blanket 1 of groove, thickness 300mm, concrete
Base 2 is provided with concrete protection panels 13, panel thickness 40mm, and concrete protection panels 13 are provided with pre-buried ring 11, and pre-buried ring is diameter 4mm
Reinforcing bar, ring diameter 20mm, the distances of two interannulars is 200mm, the inside of foam concrete barricade 8 be provided with bottom steel fabric sheet 7 with
Top layer wire mesh sheet 14；The inside of foam concrete barricade 8 is vertically provided with L75*75*6 angle steel, the top of foam concrete barricade 8
Provided with reinforced concrete guardrail base 18, base bottom stretches into 80mm, upper wide 75mm, and chassis interior is provided with diameter 50mm PVC drainings
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, depth 60mm, the top of guardrail sleeve 17
Provided with guardrail, fence upright hem width 130mm, thickness 6mm.
Fig. 2 is the cast-in-place formwork schematic diagram of the utility model concrete protection panels, and both sides install concrete protection when cast-in-place as shown in Figure 2
Panel template 34, template are bamboo slab rubber, thickness of slab 4mm, and set template split bolt 35.
Fig. 3 the utility model Prefabricated Concrete protection panels and concrete base joint face figure, concrete protection panels when prefabricated as shown in Figure 3
13 are fixed with concrete base using screw rod 29, and rear pouring concrete 28 is set in gap.
Fig. 4 is the utility model concrete protection panels and foam concrete lightweight barricade connection diagram, and Fig. 5 is that this practicality is new
Type concrete protection panels are 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 straight
Footpath 12mm connection reinforcing bar 12, connection reinforcing bar 12 are provided with direct 10mm pull bars or fix bar 9, and pull bar or the one end of fix bar 9 are set
There is angle steel.
Fig. 6 is the cast-in-place guardrail base formwork schematic diagram of the utility model, pre-buried in road surface structare layer when cast-in-place as shown in Figure 6
Pre-buried 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 mould
Plate and the vertical formwork at middle part are 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 the utility model guardrail scheme of installation, and the inside of guardrail sleeve 17 as shown in Figure 4 is provided with column 23, guardrail
Sleeve is set every 2000mm, hem width 180mm in guardrail sleeve, is fixed obstruction block with M18*170 connecting bolts on column, is prevented
Fast specification is 300*200*290*4.5, wave beams 26 is connected on obstruction block, using M16*40 connecting bolts.
As shown in figure 8, the utility model 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 (8)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790453.8U CN206916773U (en) | 2017-07-03 | 2017-07-03 | Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720790453.8U CN206916773U (en) | 2017-07-03 | 2017-07-03 | Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil |
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| Publication Number | Publication Date |
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| CN206916773U true CN206916773U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720790453.8U Active CN206916773U (en) | 2017-07-03 | 2017-07-03 | Foam concrete lightweight barricade is excavated after the first precompressed of deep ultra-soft soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134911A (en) * | 2021-11-10 | 2022-03-04 | 大连理工大学 | Construction method of self-monitoring type slope anti-seismic flexible supporting structure |
-
2017
- 2017-07-03 CN CN201720790453.8U patent/CN206916773U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134911A (en) * | 2021-11-10 | 2022-03-04 | 大连理工大学 | Construction method of self-monitoring type slope anti-seismic flexible supporting structure |
| CN114134911B (en) * | 2021-11-10 | 2022-09-02 | 大连理工大学 | Construction method of self-monitoring type side slope anti-seismic flexible supporting structure |
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Address after: 310015 No. 50 Huzhou Street, Hangzhou City, Zhejiang Province Patentee after: Zhejiang University City College Patentee after: Zhejiang shuzhijiaoyuan Technology Co.,Ltd. Address before: 310015 No. 50 Huzhou Street, Hangzhou City, Zhejiang Province Patentee before: Zhejiang University City College Patentee before: ZHEJIANG PROVINCIAL INSTITUTE OF COMMUNICATIONS PLANNING, DESIGN & RESEARCH |