CN207017097U - Deep super embankment on soft soil - Google Patents
Deep super embankment on soft soil Download PDFInfo
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- CN207017097U CN207017097U CN201720936830.4U CN201720936830U CN207017097U CN 207017097 U CN207017097 U CN 207017097U CN 201720936830 U CN201720936830 U CN 201720936830U CN 207017097 U CN207017097 U CN 207017097U
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Abstract
A kind of deep super embankment on soft soil is the utility model is related to, including：Embankment, soil cement divider wall, stabilization zone solidification soil cement, transition region solidification soil cement, drainage blanket, the prefabricated node of cross, isolation geotextiles, reinforced concrete box plate, the prefabricated node of a word, sheet pile with ribbing and quick grouting equipment；The sheet pile with ribbing reaches ultra-soft soil layer through stabilization zone solidification soil cement, and sheet pile with ribbing carries circular hole in prefabricated sheet pile foundation on principal rod of the fixed position using vertical dowel B bendings as rib, its middle rib；It is overall to be respectively used to provided with rectangle anchor plate, circular anchor plate by vertical dowel A, vertical dowel B anchoring.The beneficial effects of the utility model are：Stabilization zone solidification soil cement, transition region solidification soil cement, rigid pile, reinforced concrete sash plate, enhance the overall stress of roadbed, greatly reduce the differential settlement of ground, vertical drainage body, drainage blanket efficiently solve work groundwork drainage problem.
Description
Technical field
Expressway works and foundation treatment technology field are the utility model is related to, refers specifically to deep super embankment on soft soil.
Background technology
Over nearly more than 40 years, deep super soft ground Embankment Subsidence and stable problem are interesting.Due to the complex nature of the problem,
It is to perplex the difficult problems that engineering is smoothly implemented that rational Ground Treatment Schemes how are formulated in process of construction.Corniche road
Dike is mostly deep soft soil foundation, and ground is weak and does not almost have crust layer, and native microstructure and genesis mechanism are complicated and changeable, thing
Reason model and its parameter have heterogencity, anisotropy and uncertainty.Highway is a kind of linear banding engineering, Binhai Highway
Often pass through different geomorphic units.The engineering-environment complicated in face of Coastal Area in Zhejiang Province, for without crust layer, high-moisture
(ω >=60~100%), high void ratio (e >=1.8~2.0), shearing strength are low, high sensitivity, infiltration coefficient very little, thickness
The deformation characteristic of the stream plasticity mud of (H0 >=40~60m) greatly, still has very in terms of technical data and project data accumulation at present
It is more insufficient.Due to the complexity of engineering-environment and the uncertainty of ground character, deep super soft ground embankment construction is faced with
Many technical barriers, wherein most importantly overcoming the differential settlement of highway.
Before the utility model, Chinese invention " sheet pile combined structure " (patent No.：CN101298776A one) is provided
Kind sheet pile combined structure, it is characterised in that by Prefabricated reinforced concrete pile tube, Prefabricated reinforced concrete baffle plate, reinforced concrete longitudinal beam and transverse beam
Composition, the globality and stability of the structure are good, rigidity is big.It is uneven heavy but to still suffer from embankment lateral displacement big for the technology
The problem of drop is still notable, and do not account for draining, embankment periphery mound Load Problems after work.
Utility model content
The purpose of this utility model seeks to the deficiency for solving above-mentioned background technology, there is provided a kind of deep super embankment on soft soil.
In order to realize above-mentioned technical purpose, the utility model employs following technical scheme：
Deep super embankment on soft soil, including embankment, soil cement divider wall, stabilization zone solidification soil cement, transition region solidification cement
The prefabricated node of soil, drainage blanket, cross, isolation geotextiles, reinforced concrete box plate, the prefabricated node of a word, sheet pile with ribbing and
Quick grouting equipment；The sheet pile with ribbing reaches ultra-soft soil layer through stabilization zone solidification soil cement, and sheet pile with ribbing is in prefabricated sheet pile
On the basis of vertical dowel B bent in fixed position principal rod as rib, carry circular hole on its middle rib；Anchored provided with rectangle
Steel plate, circular anchor plate be respectively used to be by vertical dowel A, vertical dowel B anchoring it is overall, circular anchor plate it is straight
The length of side of footpath and rectangle anchor plate is respectively less than anchor slot diameter；The prefabricated intra-node of cross forms transverse direction provided with deformed bar
Dowel A；The prefabricated node of cross leaves bottom embedded groove and top anchor groove in longitudinal and transverse intersection, and top is top anchor
Groove, bottom are bottom embedded groove, and the diameter of groove is wider than the diameter of back cover pile tube with holes, and intersection leaves vertical dowel through hole
A, the diameter in hole are more than the vertical dowel A of stake diameter；The prefabricated node of cross is provided with drainpipe, connection step in end, in advance
The lateral connection muscle A of node processed stretches out certain length at step.
The back cover pile tube with holes uses back cover drainage type pile tube, fills core with sand or rubble, using pervious concrete or sets
Permeable hole, slurry outlet is set in pile body.
The isolation geotextiles are covered in above drainage blanket, for isolating the concrete of top construction.
The length that each 1/4 section of the prefabricated node of cross is 2.2~2.4m top anchor 30~50mm of groove depth, bottom embedded groove
Deep 30~50mm.
The length of each 1/2 section of the prefabricated node of one word is 2.2~2.4m, and inside forms transverse direction provided with deformed bar
Dowel B, vertical dowel through hole B, the diameter in hole are more than the vertical dowel B of stake diameter.
The quick grouting equipment includes：Slip casting pipeline section not with holes, slip casting pipeline section, upper spacer, lower clapboard and foam with holes
Bed course；The upper spacer, lower clapboard and Grouting Pipe weld together.
The beneficial effects of the utility model are：The ground that divider wall solves work rear perimeter edge mound and WATER LEVEL CHANGES is brought
Base destabilization problems, stabilization zone solidification soil cement, transition region solidification soil cement, rigid pile, reinforced concrete sash plate, enhance roadbed
Overall stress, greatly reduces the differential settlement of ground, and vertical drainage body, drainage blanket efficiently solve work groundwork draining
Problem.
Brief description of the drawings
Fig. 1 is the structure section figure of the deep super embankment on soft soil of the utility model and construction method；
Fig. 2 is the prefabricated node schematic diagram of cross；
Fig. 3 is the prefabricated node A-A diagrammatic cross-sections of cross；
Fig. 4 is sheet pile schematic diagram with ribbing；
Fig. 5 is sheet pile B-B diagrammatic cross-sections with ribbing；
Fig. 6 is the prefabricated node schematic diagram of a word；
Fig. 7 is rectangle anchor plate schematic diagram；
Fig. 8 is circular anchor plate schematic diagram；
Fig. 9 is quick grouting equipment schematic diagram；
Figure 10 is construction flow chart.
In figure：1-embankment, 2-ultra-soft soil layer, 3-Soft Soil Layer, 4-stabilization zone solidification soil cement, the solidification of 5-transition region
Soil cement, 9-back cover pile tube with holes, 10-slurry outlet, 11-slip casting around pile area, 12-drainage blanket, the prefabricated section of 13-cross
Point, 14-vertical dowel A, 15-bottom embedded groove, 16-top anchor groove, 17-vertical dowel through hole A, 18-
Fill at the top of anchor slot core, 19-rear fill slightly expanded concrete A, 20-rectangle anchor plate, 21-circular anchor plate, 22-anchor
Gu steel plate through hole, 23-connection step A, 24-lateral connection muscle A, 25-drainpipe, 26-isolation geotextiles, 27-side
Ditch, 28-lateral row water hole, 29-backfill planting soil, 30-reinforced concrete box plate, the prefabricated node of 31-one word, 32-shield
Column, 33-sheet pile with ribbing, 34-vertical dowel B, 35-vertical dowel through hole B, 36-are rear fill slightly expanded concrete B,
37-connection step B, 38-lateral connection muscle B, 39-quick grouting equipment, 40-slip casting pipeline section not with holes, 41-note with holes
Starch pipeline section, 42-upper spacer, 43-lower clapboard, 44-foam carpet, 45-anchor bolt, 46-prefabricated bent cap.
Embodiment
Specific embodiment of the utility model is elaborated below in conjunction with the accompanying drawings.
Fig. 1 is the structure section figure of the deep super embankment on soft soil of the utility model and construction method；Fig. 2 is the prefabricated node of cross
Schematic diagram；Fig. 4 is sheet pile schematic diagram with ribbing；Fig. 6 is the prefabricated node schematic diagram of a word.Shown deep super embankment on soft soil and construction party
Method, the deep super embankment on soft soil and construction method mainly include embankment 1, stabilization zone solidification soil cement 4, transition region solidification water
Soil 5, back cover pile tube 9 with holes, drainage blanket 12, the prefabricated node 13 of cross, isolation geotextiles 26, reinforced concrete box plate
30th, the prefabricated node 31 of a word, sheet pile with ribbing 33, quick grouting equipment 39；The divider wall 6 is prefabricated using prefabricated sheet pile, top
Bent cap 46 is linked as entirety.
The deep super embankment on soft soil of the present embodiment, including embankment 1, soil cement divider wall 6, stabilization zone solidification soil cement 4, mistake
Cross area's solidification soil cement 5, drainage blanket 12, the prefabricated node 13 of cross, isolation geotextiles 26, reinforced concrete box plate 30, one
The prefabricated node 31 of word, sheet pile with ribbing 33 and quick grouting equipment 39；The sheet pile with ribbing 33 solidifies soil cement 4 through stabilization zone
Ultra-soft soil layer 2 is reached, sheet pile 33 with ribbing is bent vertical dowel B34 as rib in fixed position in prefabricated sheet pile foundation
Principal rod, circular hole is carried on its middle rib；It is respectively used to provided with rectangle anchor plate 20, circular anchor plate 21 by vertical dowel
To be overall, the diameter of circular anchor plate 21 and the length of side of rectangle anchor plate 20 are respectively less than for A14, vertical dowel B34 anchoring
Anchor slot diameter；The prefabricated inside of node 13 of cross is provided with deformed bar and forms lateral connection muscle A24；The prefabricated node 13 of cross exists
Longitudinal and transverse intersection leaves bottom embedded groove 15 and top anchor groove 16, and top is top anchor groove, and bottom is bottom embedded groove,
The diameter of groove is wider than the diameter of back cover pile tube 9 with holes, and intersection leaves vertical dowel through hole A17, and the diameter in hole is more than stake
Vertical dowel A14 diameter；The prefabricated node of cross is provided with drainpipe 25, connection step 23, the horizontal stroke of prefabricated node in end
Certain length is stretched out at step to dowel A24.
The back cover pile tube 9 with holes uses back cover drainage type pile tube, fills core with sand or rubble, using pervious concrete or sets
Permeable hole, slurry outlet 10 is set in pile body.
The isolation geotextiles 26 are covered in above drainage blanket, for isolating the concrete of top construction.
The length of 13 each 1/4 sections of the prefabricated node of cross is 2.2~2.4m top anchor 30~50mm of groove depth, and bottom is embedded in
30~50mm of groove depth.
The length of prefabricated 31 each 1/2 sections of the node of one word is 2.2~2.4m, and inside forms horizontal stroke provided with deformed bar
To dowel B38, vertical dowel through hole B35, the diameter in hole is more than the vertical dowel B34 of stake diameter.
The quick grouting equipment 39 includes：Slip casting pipeline section 40 not with holes, slip casting pipeline section 41 with holes, upper spacer 42, under every
Plate 43 and foam carpet 44；The upper spacer 42, lower clapboard 43 weld together with Grouting Pipe.
Above-mentioned deep super embankment on soft soil and construction method work progress mainly include the following steps that：
1st, site clearing, in the range of the width that should satisfy the need, ground top layer fertile soil, table soil, turf etc. cleared up；
2nd, partition wall construction：Sheet pile 33 with ribbing is squeezed into ultra-soft soil layer 2, Soft Soil Layer 3, the prefabricated node 31 of a word is installed, adopted
The anchoring of vertical dowel B34 anchor bolts 45 is linked as entirety with rectangle anchor plate 20.Slightly expanded concrete B36 is filled after
Sealing of hole.Groove is excavated according to the prefabricated size of bent cap 46 lateral connection muscle B colligations are linked to be formed with some strength and overall knot
The prefabricated bent cap 46 of structure forms entirety, to resist soil lateral pressure caused by the mound of periphery；
3rd, solidification soil cement in stabilization zone is constructed and pushed ahead, and utilizes a series of caused things between curing agent and ultra-soft soil
Physicochemical reacts, and makes weak soil scleroma into the high-quality ground with globality, water stability and some strength；
4th, transition region solidification soil cement 5, stabilization zone solidification soil cement 4 are constructed and pushed ahead, and utilize curing agent and ultra-soft
Caused a series of physical chemical reaction makes weak soil scleroma into the high-quality of globality, water stability and some strength between soil
Ground；
5th, foundation pile construction：Back cover pile tube 9 with holes is squeezed into before cement solidification, after 48 hours, with quick grouting equipment
Slip casting.The quick slip casting of grouting equipment 39 is inserted into back cover pile tube 9 with holes using machinery, slowly push belt arrival is specified inwards
Stop insertion during 10 position of slurry outlet, cement mortar is injected slip casting pipeline section 40 not with holes and injected, due to upper spacer 42, lower clapboard
43rd, foam carpet 44 is bonded with the inwall of back cover pile tube 9 with holes, and cement mortar forms slip casting around pile from the pulp of slip casting pipeline section 41 with holes
Area.Then above carry successively, stop above carrying when reaching next 10 position of slurry outlet, slip casting, operate successively.
6th, groove is excavated according to the size of reinforced concrete box plate 30；
7th, lay drainage blanket 12 and be compacted；
8th, it is native for isolating top in the top of drainage blanket 12 laying isolation geotextiles 26；
9th, the prefabricated node 13 of cross is filled, using circular anchor plate 20 by the vertical company of anchoring of dowel A14 anchor bolts 45
For entirety.Slightly expanded concrete A19 sealing of holes are filled after.Vertical dowel A14 anchorings are linked as entirety；
10th, with reinforcing bar colligation or lateral connection muscle A24 is welded to connect, pouring reinforcement concrete sash plate 30；
11st, after reinforced concrete box plate reaches the 70%~80% of design strength, progress embankment 1 fills and follow-up side
Ditch 27, lateral row water hole 28, backfill planting soil 29, guardrail 32 are constructed.
Claims (6)
1. a kind of deep super embankment on soft soil, it is characterised in that including embankment (1), soil cement divider wall (6), stabilization zone solidification water
Soil (4), transition region solidification soil cement (5), drainage blanket (12), the prefabricated node of cross (13), isolation geotextiles (26), reinforcing bar
Concrete frame panel (30), the prefabricated node of a word (31), sheet pile with ribbing (33) and quick grouting equipment (39)；The sheet pile with ribbing
(33) ultra-soft soil layer (2) is reached through stabilization zone solidification soil cement (4), sheet pile (33) with ribbing is in prefabricated sheet pile foundation in fixation
Position bends vertical dowel B (34) principal rod as rib, and circular hole is carried on its middle rib；Provided with rectangle anchor plate
(20), circular anchor plate (21) is respectively used to vertical dowel A (14), vertical dowel B (34) anchorings to be overall, circular
The diameter of anchor plate (21) and the length of side of rectangle anchor plate (20) are respectively less than anchor slot diameter；In the prefabricated node of cross (13)
Portion is provided with deformed bar and forms lateral connection muscle A (24)；The prefabricated node of cross (13) leaves bottom insertion in longitudinal and transverse intersection
Groove (15) and top anchor groove (16), top are top anchor groove, and bottom is bottom embedded groove, and the diameter of groove is wider than back cover with holes
The diameter of pile tube (9), intersection leave vertical dowel through hole A (17), and the diameter in hole is more than the vertical dowel A (14) of stake
Diameter；The prefabricated node of cross is provided with drainpipe (25), connection step (23), the lateral connection muscle A of prefabricated node in end
(24) certain length is stretched out at step.
2. deep super embankment on soft soil according to claim 1, it is characterised in that the back cover pile tube (9) with holes is using envelope
Bottom drainage type pile tube, fills core with sand or rubble, using pervious concrete or sets permeable hole, and slurry outlet (10) is set in pile body.
3. deep super embankment on soft soil according to claim 1, it is characterised in that described isolation geotextiles (26) row of being covered in
Above water subfill, for isolating the concrete of top construction.
4. deep super embankment on soft soil according to claim 1, it is characterised in that each 1/4 section of the prefabricated node of cross (13)
Length be 2.2~2.4m top anchor 30~50mm of groove depth, bottom 30~50mm of insertion groove depth.
5. deep super embankment on soft soil according to claim 1, it is characterised in that the prefabricated node of a word (31) each 1/
2 sections of length is 2.2~2.4m, and inside is provided with deformed bar and forms lateral connection muscle B (38), vertical dowel through hole B
(35), the diameter in hole is more than the diameter of the vertical dowel B (34) of stake.
6. deep super embankment on soft soil according to claim 1, it is characterised in that the quick grouting equipment (39) includes：
Slip casting pipeline section (40), slip casting pipeline section with holes (41), upper spacer (42), lower clapboard (43) and foam carpet (44) not with holes；It is described
Upper spacer (42), lower clapboard (43) weld together with Grouting Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936830.4U CN207017097U (en) | 2017-07-31 | 2017-07-31 | Deep super embankment on soft soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936830.4U CN207017097U (en) | 2017-07-31 | 2017-07-31 | Deep super embankment on soft soil |
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| Publication Number | Publication Date |
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| CN207017097U true CN207017097U (en) | 2018-02-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447613A (en) * | 2017-07-31 | 2017-12-08 | 浙江大学城市学院 | A kind of deep super embankment on soft soil and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447613A (en) * | 2017-07-31 | 2017-12-08 | 浙江大学城市学院 | A kind of deep super embankment on soft soil and construction method |
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