CN209652954U - GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope - Google Patents
GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope Download PDFInfo
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- CN209652954U CN209652954U CN201920118368.6U CN201920118368U CN209652954U CN 209652954 U CN209652954 U CN 209652954U CN 201920118368 U CN201920118368 U CN 201920118368U CN 209652954 U CN209652954 U CN 209652954U
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- Prior art keywords
- stake
- tgxg
- waterproof pad
- bentonite waterproof
- slot
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- 239000000440 bentonite Substances 0.000 title claims abstract description 40
- 229910000278 bentonite Inorganic materials 0.000 title claims abstract description 40
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000002689 soil Substances 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000001802 infusion Methods 0.000 claims abstract description 22
- 230000035699 permeability Effects 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 13
- 244000005700 microbiome Species 0.000 claims description 7
- 238000007569 slipcasting Methods 0.000 claims description 7
- 241000193395 Sporosarcina pasteurii Species 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000001110 calcium chloride Substances 0.000 claims description 4
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The utility model discloses a kind of GCL bentonite waterproof pad joint TGXG grouting water-tights to reinforce powdery soil slope, GCL bentonite waterproof pad is laid in the side slope of the silty soil body, TGXG is laid in GCL bentonite waterproof pad, several spud piles sequentially pass through TGXG and GCL bentonite waterproof pad and are pressed into the side slope of the silty soil body, the axis direction of the spud pile is equipped with injected hole, the radial direction of spud pile is equipped with the permeability hole being mutually communicated with injected hole, the injection fluid infusion in injected hole, fluid infusion is infiltrated into the slity soil body of side slope by permeability hole, burr side is formed at the permeability hole after the solidification of fluid infusion.The utility model is simple and easy, environmentally protective, being capable of effectively joint antiseepage, reinforcing using effect.
Description
Technical field:
The utility model relates to a kind of GCL bentonite waterproof pad joint TGXG grouting water-tights to reinforce powdery soil slope.
Background technique:
With the fast development of infrastructure construction in china, more and more requirement of engineering carry out protective reinforcing, such as side
Slope engineering, base pit engineering, treatment of soft foundation, refuse landfill protection works.But for different engineering and natural conditions,
The method and effect of protective reinforcing are also different.There are much construction methods to soil stabilization at present, but reinforcement means
Function and form are relatively single, there is also certain limitations for treatment effect.Previous reinforcement means is often noticed to the soil body
Reinforcing, but in view of the natural environmental conditions such as rainfall, draining are lauched the influence to construction stability.
Existing patent (application number: 201710248792.8) discloses a kind of side slope of native surface layer of geosynthetics enhancing
Protection system and construction method；By multiple spud piles, connection structure compatible with spud pile and it is installed in side slope surface
Geosynthetics enhances compacted soil surface layer.Patent (application number: 201810383631.4) discloses a kind of hollow TGXG
With the united grouting method of microbial technique；Hollow TGXG is laid before neighbouring argillaceous soft rock filler, then
External microbial grouting system is being connected with the inside grout lines of hollow TGXG, formation adds backfill roadbed
Gu.
Above-mentioned patent when the powdery soil slope of level of ground water upper zone, cannot play well to be applied to rainy season longer
Antiseepage, consolidation effect, since powdery soil slope is made of a large amount of powders and fine sand and a small amount of clay, the Atterberg Limit index of silt
It is relatively low, it is not easily molded when doing, it is easy to appear imbricate passage and lamination, is easy to be immersed quickly after being infiltrated by rainfall
Thoroughly, erosion resistibility is poor.Condition of raining Caused by Sloping Surfaces runoff, which can generate powdery soil slope, to be washed away, or even will affect powdery soil slope
Long-time stability.Therefore, it is highly desirable to carry out comprehensive grind for the antiseepage of powdery soil slope, protective reinforcing technology under condition of raining
Study carefully, research and development have both the anti-construction method for blending and reinforcing multi-functional.
Summary of the invention:
The utility model is to provide a kind of GCL bentonite waterproof pad connection to solve the above-mentioned problems of the prior art
It closes TGXG grouting water-tight and reinforces powdery soil slope.
Technical solution used by the utility model has: GCL bentonite waterproof pad is combined TGXG grouting water-tight and is reinforced
Powdery soil slope, it is described including GCL bentonite waterproof pad, TGXG, spud pile and the fluid infusion of curable forming
GCL bentonite waterproof pad is laid in the side slope of the silty soil body, and TGXG is laid in GCL bentonite waterproof pad, if solid
Determine stake to sequentially pass through TGXG and GCL bentonite waterproof pad and be pressed into the side slope of the silty soil body, the axis of the spud pile
Heart direction is equipped with injected hole, and the radial direction of spud pile is equipped with the permeability hole being mutually communicated with injected hole, injects institute in injected hole
Fluid infusion is stated, fluid infusion is infiltrated into the slity soil body of side slope by permeability hole, in institute after the solidification of fluid infusion
State formation burr side at permeability hole.
Further, the spud pile is retractable structure, including female stake, sub- stake and pile crown, the sub- stake are coaxially clamped
In in female stake, pile crown is coaxially connected in sub- stake, and the injected hole on the spud pile is through female stake and sub- stake and extends in stake
On head, several permeability holes are evenly distributed on female stake, sub- stake and pile crown；The bottom end of the pile crown is equipped with pile top.
Further, the bottom end of female stake and sub- stake is equipped with card slot, is equipped with bayonet lock on the top of sub- stake and pile crown,
Bayonet lock in sub- stake is arranged in the card slot that the bayonet lock in the card slot in female stake, on pile crown is arranged in sub- stake.
Further, the card slot includes socket, rotation slot and limiting slot, and the socket is symmetrical arranged, and along
The axial direction of spud pile is arranged, and a rotation slot is arranged on the top of each socket, and rotation slot is connected with socket, and
Rotation slot along spud pile circumferencial direction be arranged, each rotation slot end be arranged a limiting slot, and limiting slot along
The axial direction of spud pile is arranged, and the bayonet lock enters rotation slot by socket, rotates bayonet lock position and bayonet lock is made to be placed in limit
In the slot of position.
Further, the width of the limiting slot is less than the diameter of bayonet lock, is equipped with locating slot, positioning in the end of rotation slot
Slot is connected with rotation slot, and locating slot is located at the top of limiting slot, and the width of locating slot is greater than the diameter of bayonet lock.
Further, the fluid infusion is cement slurry.
Further, the fluid infusion is microorganism slip casting, and the microorganism slip casting is by Bacillus pasteurii solution
With CaCl2Solution mixes.
The utility model has the following beneficial effects:
The utility model is simple and easy, environmentally protective, being capable of effectively joint antiseepage, reinforcing using effect.
Detailed description of the invention:
Fig. 1 is the utility model structure chart.
Fig. 2 is the structure chart of spud pile in the utility model.
Fig. 3 is the partial enlarged view of spud pile in the utility model.
Specific embodiment:
The utility model will be further described below with reference to the accompanying drawings.
Such as Fig. 1, a kind of GCL bentonite waterproof pad joint TGXG grouting water-tight of the utility model reinforces powdery soil slope,
Including GCL bentonite waterproof pad 2, TGXG 3, spud pile 4 and the fluid infusion of curable forming, GCL bentonite is anti-
Water cushion 2 is laid in the side slope 1 of the silty soil body, and TGXG 3 is laid in GCL bentonite waterproof pad 2, and several spud piles 4 are
It sequentially passes through TGXG 3 and GCL bentonite waterproof pad 2 and is pressed into the side slope 1 of the silty soil body, the axis direction of spud pile 4
Equipped with injected hole 41, the radial direction of spud pile 4 is equipped with the permeability hole 42 being mutually communicated with injected hole 41, injection in injected hole 41
Fluid infusion, fluid infusion are infiltrated into the slity soil body of side slope 1 by permeability hole 42, are being seeped after the solidification of fluid infusion
Burr side 43 is formed at open-work 42.
Such as Fig. 2 and Fig. 3, the spud pile 4 in the utility model is retractable structure, including female stake 45, sub- stake 46 and pile crown
47, sub- stake 46 is coaxially connected in female stake 45, and pile crown 47 is coaxially connected in sub- stake 46, and the injected hole 41 on spud pile 4 runs through
In female stake 45 and sub- stake 46 and extend on pile crown 47,3-5 infiltration is arranged in female stake 45, in sub- stake 46 and on pile crown 47
Hole 42.
To be preferably pressed into side slope 1 convenient for spud pile 4, it is equipped with pile top 48 in the bottom end of pile crown 47, pile top 48 is by pile crown
41 bottom end closure of injected hole on 47.
For the mutual clamping convenient for each component in spud pile 4, card slot 5, In is equipped in the bottom end of female stake 45 and sub- stake 46
Sub- stake 46 and the top of pile crown 47 are equipped with bayonet lock 6, and the bayonet lock 6 in sub- stake 46 is arranged in the card slot 5 in female stake 45, pile crown 47
On bayonet lock 6 be arranged in the card slot 5 in sub- stake 46.
Card slot 5 include socket 51, rotation slot 52 and limiting slot 53, socket 51 be symmetrical arranged, and socket 51 along
The axial direction of spud pile 4 is arranged, and a rotation slot 52, rotation slot 52 and socket 51 is arranged on the top of each socket 51
It is connected, and rotation slot 52 is arranged along the circumferencial direction of spud pile 4, one limiting slot is set in the end of each rotation slot 52
53, and limiting slot 53 is arranged along the axial direction of spud pile 4, bayonet lock 6 enters rotation slot 52 by socket 51, rotates bayonet lock 6
Position is simultaneously placed in bayonet lock 6 in limiting slot 53.
The width of limiting slot 53 is less than the diameter of bayonet lock 6, when bayonet lock 6 is caught in limiting slot 53, between bayonet lock 6 and limiting slot 53
For interference fit, guarantee locating effect.
When being pressed into spud pile 4, a bar is inserted into the injected hole 41 of spud pile 4, then extraneous impact stake bar, then
Spud pile 4 is pressed into side slope 1.
It is equipped with locating slot 54 in the end of rotation slot 52, locating slot 54 is connected with rotation slot 52, and locating slot 54 is located at
The top of limiting slot 53, the width of locating slot 54 are greater than the diameter of bayonet lock 6.
During striking spud pile 4, now locating slot 54 can be contradicted on bayonet lock 6, then avoid 4 motion process of spud pile
In, bayonet lock 6 issues the mobile phenomenon of dislocation in rotation slot 52, and locating effect is more preferable.
GCL bentonite waterproof pad 2 in the utility model is that the sodium base bentonite of high-expansion is filled in composite earthwork cloth
It is formed between non-woven fabrics, finally plays antiseep effect.GCL bentonite waterproof pad 2 has excellent waterproof, barrier performance,
Impervious hydrostatic pressing can reach 1.0MPa or more (the present embodiment 1.2MPa), and unit area bentonite quality is 4-5kg/m2(this
Embodiment is 5kg/m2).
TGXG 3 is two-way plastic grid, and 3 grid spacing of TGXG is that 300-400mm(the present embodiment is
400mm), it is 50kN/m that vertical (cross), which is 50kN/m(the present embodiment to tensile yield power), width 1-6m(the present embodiment is 3m).
TGXG 3 and spud pile 4 are joined together to form entirety, and spud pile 4 is perpendicular to 3 place plane of TGXG.
Fluid infusion in the utility model uses cement slurry or microorganism slip casting.(water when being injected using cement slurry
Mud grouting pressure 2-8Mpa), the length that cement slurry forms burr side 43 at permeability hole 42 is 0. 1- 0.5cm.
Microorganism slip casting is by Bacillus pasteurii solution and CaCl2Solution mixes, Bacillus pasteurii solution it is dense
Degree is 10^8-10^9cell/ml, CaCl2The concentration of solution is 0.05-0.2mol/L.When using microorganism slip casting, first injection bar
Family name's bacillus solution, in injection CaCl after 12 hours2Solution, the mass ratio of injection is depending on the actual conditions of side slope 1.
Bacillus pasteurii solution and the existing patent (patent No.: bar in 201810383631.4) in the utility model
Family name's bacillus solution is consistent.
The utility model GCL bentonite waterproof pad combines the construction method that TGXG grouting water-tight reinforces powdery soil slope,
The following steps are included:
1) it flattens: 1 place of side slope of the silty soil body of antiseepage, reinforcing will be needed to carry out surface evening processing；
2) it is laid with GCL bentonite waterproof pad: being laid with GCL bentonite waterproof pad 2: being laid in the side slope 1 flattened impervious
Hydrostatic pressing can reach the GCL bentonite waterproof pad of 1.0MPa or more, and being laid with width can be according to live actual size；GCL bentonite
The edge of collision mat 2 is cut or is overlapped, and when using overlap joint, overlap joint, which is overlapped, is not less than 300mm, and imbricate overlaps；
3) it is laid with TGXG 3: being laid with several TGXG 3 in GCL bentonite waterproof pad 2, TGXG is close to GCL
Bentonite waterproof pad is laid with, and lap-joint binds with plastic tape, vertical (cross) of TGXG 3 to tensile yield power be 50kN/m；
4) it is pressed into spud pile: spud pile 4 is passed through into TGXG 3 and GCL bentonite waterproof pad 2 and the powder for being pressed into side slope 1
In the matter soil body；
5) into the injected hole 41 of 4 axis direction of spud pile, injection can be with the fluid infusion of solidified forming, fluid injection
Object is infiltrated into the slity soil body of side slope 1 by the permeability hole 42 of radial direction on spud pile 4, is being seeped after the solidification of fluid infusion
Burr side 43 is formed at open-work 42；
6) vegetation is planted: banketing or plants the vegetation for greening in TGXG 3, complete construction.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as
The protection scope of the utility model.
Claims (7)
1.GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope, it is characterised in that: including GCL swelling
Native collision mat (2), TGXG (3), spud pile (4) and curable forming fluid infusion, the GCL bentonite waterproof
Pad (2) is laid in the side slope (1) of the silty soil body, and TGXG (3) is laid on GCL bentonite waterproof pad (2), several fixations
Stake (4) sequentially passes through TGXG (3) and GCL bentonite waterproof pad (2) and is pressed into the side slope (1) of the silty soil body, described
The axis direction of spud pile (4) is equipped with injected hole (41), and the radial direction of spud pile (4) is equipped with to be mutually communicated with injected hole (41)
Permeability hole (42), the injection fluid infusion in injected hole (41), fluid infusion infiltrates into side by permeability hole (42)
In the slity soil body on slope (1), burr side (43) are formed at the permeability hole (42) after the solidification of fluid infusion.
2. GCL bentonite waterproof pad joint TGXG grouting water-tight as described in claim 1 reinforces powdery soil slope, feature
Be: the spud pile (4) is retractable structure, including female stake (45), sub- stake (46) and pile crown (47), and the sub- stake (46) is same
Axis is connected in female stake (45), and pile crown (47) is coaxially connected in sub- stake (46), and the injected hole (41) on the spud pile (4) passes through
Be through at female stake (45) and sub- stake (46) and extend on pile crown (47), several permeability holes (42) be evenly distributed on female stake (45),
On sub- stake (46) and pile crown (47)；The bottom end of the pile crown (47) is equipped with pile top (48).
3. GCL bentonite waterproof pad joint TGXG grouting water-tight as claimed in claim 2 reinforces powdery soil slope, feature
Be: the bottom end of mother's stake (45) and sub- stake (46) is equipped with card slot (5), is all provided in sub- stake (46) and the top of pile crown (47)
Have bayonet lock (6), the bayonet lock (6) on sub- stake (46) is arranged in the card slot (5) on female stake (45) Nei, the bayonet lock (6) on pile crown (47)
It is arranged in the card slot (5) on sub- stake (46) Nei.
4. GCL bentonite waterproof pad joint TGXG grouting water-tight as claimed in claim 3 reinforces powdery soil slope, feature
Be: the card slot (5) includes socket (51), rotation slot (52) and limiting slot (53), and the socket (51) is symmetrical arranged,
And be arranged along the axial direction of spud pile (4), on the top of each socket (51), one rotation slot (52), rotation slot are set
(52) it is connected with socket (51), and rotation slot (52) is arranged along the circumferencial direction of spud pile (4), in each rotation slot
(52) limiting slot (53) is arranged in end, and limiting slot (53) is arranged along the axial direction of spud pile (4), the bayonet lock
(6) enter rotation slot (52) by socket (51), rotate bayonet lock (6) position and bayonet lock (6) is placed in limiting slot (53).
5. GCL bentonite waterproof pad joint TGXG grouting water-tight as claimed in claim 4 reinforces powdery soil slope, feature
Be: the width of the limiting slot (53) is less than the diameter of bayonet lock (6), is equipped with locating slot (54) in the end of rotation slot (52),
Locating slot (54) is connected with rotation slot (52), and locating slot (54) is located at the top of limiting slot (53), the width of locating slot (54)
Degree is greater than the diameter of bayonet lock (6).
6. GCL bentonite waterproof pad joint TGXG grouting water-tight as described in claim 1 reinforces powdery soil slope, feature
Be: the fluid infusion is cement slurry.
7. GCL bentonite waterproof pad joint TGXG grouting water-tight as described in claim 1 reinforces powdery soil slope, feature
Be: the fluid infusion is microorganism slip casting, and the microorganism slip casting is by Bacillus pasteurii solution and CaCl2Solution is mixed
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118368.6U CN209652954U (en) | 2019-01-24 | 2019-01-24 | GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118368.6U CN209652954U (en) | 2019-01-24 | 2019-01-24 | GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209652954U true CN209652954U (en) | 2019-11-19 |
Family
ID=68522405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118368.6U Expired - Fee Related CN209652954U (en) | 2019-01-24 | 2019-01-24 | GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209652954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629583A (en) * | 2019-01-24 | 2019-04-16 | 苏交科集团股份有限公司 | GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope and construction method |
| WO2022237082A1 (en) * | 2021-05-11 | 2022-11-17 | 中国科学院武汉岩土力学研究所 | Method for treating longitudinal crack disease of soft rock roadbed |
-
2019
- 2019-01-24 CN CN201920118368.6U patent/CN209652954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629583A (en) * | 2019-01-24 | 2019-04-16 | 苏交科集团股份有限公司 | GCL bentonite waterproof pad combines TGXG grouting water-tight and reinforces powdery soil slope and construction method |
| WO2022237082A1 (en) * | 2021-05-11 | 2022-11-17 | 中国科学院武汉岩土力学研究所 | Method for treating longitudinal crack disease of soft rock roadbed |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |