CN117513304A - Construction equipment and construction method for reinforcing soft soil foundation by three-dimensional grid - Google Patents
Construction equipment and construction method for reinforcing soft soil foundation by three-dimensional grid Download PDFInfo
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- CN117513304A CN117513304A CN202311503063.4A CN202311503063A CN117513304A CN 117513304 A CN117513304 A CN 117513304A CN 202311503063 A CN202311503063 A CN 202311503063A CN 117513304 A CN117513304 A CN 117513304A
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- 238000010276 construction Methods 0.000 title claims abstract description 58
- 239000002689 soil Substances 0.000 title claims abstract description 55
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 53
- 239000007921 spray Substances 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 47
- 239000000843 powder Substances 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- 239000004568 cement Substances 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 230000007123 defense Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000012876 topography Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
Abstract
The invention discloses construction equipment and a construction method for reinforcing a soft soil foundation by a three-dimensional grid, wherein the construction equipment comprises a saw plate, a transmission gear and a guide gear are respectively arranged at the head end and the tail end of the saw plate, saw chains are sleeved outside the transmission gear and the guide gear, the transmission gear is driven to rotate through a transmission box fixed on the saw plate, a guide groove for limiting the saw chains is arranged on the saw plate, a guide wheel is arranged in the guide groove, the guide wheel is used for rolling and supporting the saw chains, a plurality of groups of saw teeth and stirring blades are uniformly arranged on the outer side of the saw chains, a hydraulic rod and a connecting rod are hinged to the head part of the saw plate, a plurality of spray pipes are uniformly arranged on the saw plate, a flow control valve is arranged at the front end of each spray pipe, spray holes are arranged at the tail end of each spray pipe, all the spray pipes are connected to a storage tank in a gathering mode, and feeding of the storage tank is controlled through a background device.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering, in particular to construction equipment and a construction method for reinforcing a soft soil foundation by a three-dimensional grid.
Background
Common methods for soft soil foundation treatment include vacuum preloading method, gravel pile method, cement stirring pile method, etc. The vacuum preloading and the preloading are suitable for large-area soft soil foundation treatment, the construction period is long, the foundation bearing capacity is improved limited due to the principle limitation of the process, and the application range is narrow. The gravel pile method and the cement stirring pile method can flexibly arrange pile distance and pile length according to geological conditions, the treated foundation has high bearing capacity, small sedimentation and wider application, but the gravel pile is suitable for areas where gravel raw materials are easy to obtain and has larger regional limitation, meanwhile, as the gravel pile is a discrete pile, the bearing capacity of a single pile has a great relationship with the constraint capacity of surrounding soil of the pile, and as the constraint capacity of mucky soil is small, the gravel pile is not suitable for treating the mucky soft soil foundation; the cement stirring pile method is characterized in that cement is used as a curing agent, the cement is divided into a wet method and a dry method according to the water content of a construction stratum, during construction, cement slurry or cement powder is directly sprayed into the soil body while a rotary blade of a stirring pile machine cuts the soil body, reinforced cement pile bodies are formed by forced stirring, generally, the common stratum is always changed downwards from the ground surface, for example, one or more soil layers such as mixed filling soil, silt cohesive soil, silt soil and the like can exist in sequence from top to bottom, the physical mechanical properties of each soil layer are greatly different, but the pile machine for stirring pile construction only has rotary blades distributed at the tail end of a drill rod, only has slurry spraying or powder spraying openings at the blade, in the process of forming the pile bodies by vertical stirring, the stirring speed is fixed, the slurry spraying or the powder spraying openings are single, the slurry spraying pressure or the powder spraying amount is fixed, the pile bodies are difficult to adapt to vertical change, the pile bodies in the range, for guaranteeing the overall quality of the pile bodies from top to bottom is difficult, in order to guarantee the quality, the most unfavorable condition is always taken, the cement doping amount is increased, the cement doping amount is caused, the large material spraying loss is greatly increased, the slurry spraying or the slurry spraying pressure is not well influenced by the uniform material spraying or the material spraying pressure is not well-controlled in the long-distance, and the material spraying effect is well-down has a small effect is influenced when the slurry spraying effect is well or the material is well-distributed. Whether the gravel pile or the stirring pile is adopted for foundation treatment, after construction is completed, pile bodies are mutually dispersed and independent, no support is connected, the foundation integrity is poor, the pile bodies are reinforcing bodies, soil bodies among the pile bodies are still undisturbed soft soil or soft soil which is slightly extruded and reinforced, under the action of long-term load, the soil settlement among the pile bodies is large, the pile bodies are small, the pile bodies can penetrate into mattress layers, and the composite stress effect of the composite foundation is reduced.
Disclosure of Invention
Aiming at the technical problems, the invention provides a construction device and a construction method for reinforcing a soft soil foundation by a three-dimensional grid type, wherein the construction device adopts a mode of inclined cutting to form grid type reinforcing bodies, can adjust and regulate the concentration of a curing material according to the humidity of a soil layer, fully ensures the reinforcing effect, simultaneously scientifically and finely controls the material consumption, and saves the construction cost.
The utility model provides a construction equipment of three-dimensional grid type reinforcement weak soil foundation, includes the saw board, drive gear and guide gear are installed respectively at saw board head and tail both ends, drive gear and guide gear overcoat are equipped with the saw chain, drive gear is through being fixed in drive case drive rotation on the saw board, be equipped with on the saw board and be used for right the guide way that the saw chain plays limiting displacement, install the leading wheel in the guide way, the leading wheel is used for rolling support saw chain, multiunit sawtooth and stirring blade are evenly installed in the saw chain outside, the head of saw board articulates there are hydraulic stem and connecting rod, hydraulic stem, connecting rod reaches the external power equipment of transmission shaft of drive case, still evenly install many spray tubes on the saw board, every flow control valve is installed to the front end of spray tube, and the last section is equipped with the jet orifice, all the spray tube is summarized and is connected to the storage tank, the storage tank passes through backstage equipment control feed.
As the optimization of the technical scheme, the saw plate is composed of a power section, an extension section and a guide section, wherein the extension section is provided with one or more sections, the power section is a head section, the transmission gear is arranged on the power section, the guide section is a tail section, and the guide wheel is arranged on the guide section.
As the optimization of the technical scheme, the butt joint parts of the power joint, the lengthening joint and the guide joint are reserved with mounting holes and fixedly connected through bolts.
Preferably, the end section of the spray pipe provided with the spray hole is arranged close to the edge of the saw plate.
Preferably, the spray pipe adopts a slurry spraying pipe or a powder spraying pipe.
Preferably, the saw teeth and the stirring blades are uniformly staggered on the saw chain.
The construction method adopting any one of the construction equipment comprises the following concrete construction processes:
step one, construction equipment is assembled, and the length of a saw plate, the form of a spray pipe, the feeding form of a storage tank and the feeding pressure are determined according to the drilling result of an earlier soil layer;
step two, determining the shape of the reinforcing body, determining the proper shape of the reinforcing body according to the topography of the area to be reinforced, and determining the position of the reinforcing body grid after measuring the defense line;
and thirdly, forming the reinforcing body, wherein the power equipment adjusts the angle of the saw plate cutting into the soil body by driving the hydraulic rod, the power equipment drives the saw chain to rotate by driving the transmission shaft, the storage tank controls the feeding of the spray pipes through the background, the flow control valve is used for controlling the feeding pressure of each spray pipe, and forming the reinforcing body according to the determined grid shape of the reinforcing body.
As the preferable choice of the technical proposal, the raw materials stored in the storage tank adopt cement dry powder or slurry with a certain water-cement ratio by adding water into the solidified materials and stirring.
As a preferable mode of the above-described aspect, the reinforcing body may be any one of a rectangular mesh reinforcing body, a prismatic mesh reinforcing body, and a regular triangle mesh reinforcing body.
The invention has the beneficial effects that:
1. and (3) cutting the cement or other composite curing materials into the soil body along the vertical direction by using a special stirring saw, and continuously cutting and stirring the cement or other composite curing materials in the soil body along the specific direction and at a certain interval to form a three-dimensional grid reinforcing body with a specific grid shape and size, wherein the reinforcing body and the soil body among the grids form a composite foundation together.
2. Different reinforcement depths can be realized by adjusting the length of the stirring saw and the angle maintained in the soil body, and different requirements of foundation treatment depths are met.
3. The saw plate is provided with a plurality of sections of slurry spraying and powder spraying pipes from top to bottom, each section of pipe is separately controlled by a pipeline dividing valve, when in construction, different slurry spraying and powder spraying amounts can be designed for each pipe according to the difference of stratum from top to bottom, according to the water content of the stratum from top to bottom, dry spraying and wet spraying can be simultaneously carried out on different layers, the pertinence is high, the material consumption is scientifically and finely controlled on the premise of ensuring the reinforcing effect, and the construction cost is saved.
4. The solidification material is subjected to pressure compensation through the storage tank before being sprayed into the soil body, so that the solidification material can be sprayed into the soil body at high pressure, the reinforcement influence range can be enlarged, the stirring uniformity is improved, and the reinforcement effect is enhanced by spraying the solidification material at low pressure relative to the cement stirring pile.
5. The width of the reinforcing body and the size of the three-dimensional grid formed by cutting and stirring can be flexibly designed and adjusted, the bearing capacity of the foundation after final treatment can meet different requirements, and the maximum bearing capacity after treatment can exceed 300KPa.
6. The three-dimensional grid type reinforcement body is finally formed through the construction method, the reinforcement bodies are mutually bonded and supported to form a whole body, the pile bodies are dispersed independently and are opposite to the gravel pile and the cement stirring pile, the composite reinforcement has obvious advantages, the whole settlement and differential settlement of the treated foundation are small, the influence of natural weather is small during construction, the construction speed is high, and the construction period can be greatly saved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a plan view of a rectangular grid type reinforcing body.
Fig. 3 is a plan view of a regular triangle mesh reinforcement.
The reference numerals are as follows: 1-saw plate, 101-power section, 102-extension section, 103-guide section, 2-transmission gear, 3-guide gear, 4-saw chain, 5-transmission case, 6-guide groove, 7-guide wheel, 8-saw tooth, 9-stirring blade, 10-hydraulic rod, 11-connecting rod, 12-transmission shaft, 13-spray pipe, 14-flow control valve and 15-storage tank.
Detailed Description
The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The utility model provides a construction equipment of three-dimensional net formula reinforcement weak soil foundation, includes saw board 1, drive gear 2 and guide gear 3 are installed respectively at saw board 1 head and tail both ends, drive gear 2 and guide gear 3 overcoat are equipped with saw chain 4, drive gear 2 is through being fixed in the transmission case 5 drive rotation on saw board 1, be equipped with on the saw board 1 and be used for right saw chain 4 play spacing effect's guide slot 6, install leading wheel 7 in the guide slot 6, leading wheel 7 is used for rolling support saw chain 4, multiunit sawtooth 8 and stirring blade 9 are evenly installed in saw chain 4 outside, saw board 1's head articulates has hydraulic rod 10 and connecting rod 11, hydraulic rod 10, connecting rod 11 and the external power equipment of transmission shaft 12 of transmission case 5, saw board 1 is last still evenly to install many spray tubes 13, and every the flow control valve 14 is installed to the front end, and the end is equipped with the jet orifice, and all the spray tubes 13 are connected to storage tank 15, the storage tank is passed through to the back control platform feed stock 15.
In this embodiment, the saw plate 1 includes a power section 101, an extension section 102, and a guide section 103, where the extension section 102 is provided with one or more sections, the power section 101 is a head section, the transmission gear 2 is mounted on the power section 101, the guide section 103 is a tail section, and the guide wheel 7 is mounted on the guide section 103.
In this embodiment, the butt joint portions of the power section 101, the extension section 102 and the guide section 103 are reserved with mounting holes, and are fixedly connected by bolts.
In this embodiment, the end of the nozzle 13 provided with the injection opening is arranged close to the edge of the saw plate 1.
In this embodiment, the nozzle 13 is a slurry or powder spraying pipe.
In this embodiment, the saw teeth 8 and the stirring blades 9 are uniformly staggered on the saw chain 4.
In the embodiment, the power equipment can adopt a high-horsepower rotary cultivator to provide power for walking, cutting and stirring of the equipment. The inner angle of the saw plate 1 in the soil body is adjusted by the extension and retraction of the hydraulic rod 10, so that the reinforcement depth is adjusted; the extension joint 102 can be provided with a plurality of sections, each section is provided with a connected bolt hole, and the extension joint is convenient to lengthen and shorten during construction so as to meet the requirements of different reinforcement depths; the saw chain 4 is formed by connecting multiple sections of chain links in series through chain pins, the saw chain 4 is annularly and closely arranged in a guide groove 6 of the saw plate 1, the saw chain 4 is supported and guided by a guide wheel 7 and a guide gear 3 together, a transmission gear 2 on a power section 101 toggles the saw chain 4 to rotate, a saw tooth 8 and a stirring blade 9 are arranged on the saw chain 4, and the rotating saw chain 4 realizes soil body cutting and stirring; the guniting or powder spraying pipe is a group of pipes which are fixed on the saw plate 1 side by side and consists of a plurality of pipes with different lengths, the tail end of each pipe is provided with a section of a curved guniting section or a powder spraying section which is drilled with a jet hole, the other end of each pipe is respectively and independently connected with a flow control valve 14, then the flow control valves are connected to a storage tank 15, the curved guniting section or the powder spraying section at the tail end of each pipe is curved and points to the edge of the saw plate 1, the lengths of the pipes distributed on the saw plate 1 are different, the saw plate 1 can spray solidified materials into different depths in the soil after cutting into the soil, and the scientific and accurate control of the guniting or powder spraying amount according to the difference of the stratum from top to bottom can be realized by adjusting the flow control valves 14 of each pipe, so that the construction cost is saved. The storage tank 15 is a pressure vessel for temporarily storing the solidified material, and is connected with a background part of the guniting or powder spraying through a conveying pipe, receives and stores the solidified material conveyed by pressure from the background part, and then is sprayed into the soil body through each guniting or powder spraying pipe after pressure compensation, and the storage tank has a pressure compensation function, so that the pressure loss of the solidified material in the conveying process of the conveying pipe can be compensated, the solidified material can be sprayed into the soil body under high pressure, and the solidifying effect can be ensured.
The background part of the spraying slurry or powder spraying is different according to the spraying slurry or powder spraying during construction, the spraying slurry or powder spraying is generally determined according to the water content of a foundation soil layer, like a wet method and a dry method of a cement mixing pile, the background part comprises a slurry injection pump and a mixing drum during spraying, the mixing drum is used for adding water into a curing material and mixing the curing material into slurry with a certain water-cement ratio, and the slurry injection pump is used for conveying the slurry to a storage tank 15 through a conveying pipe; the background part refers to a powder spraying machine during powder spraying, and the powder spraying machine directly conveys the solidified material to the storage tank 15 through a conveying pipe. Under the general condition, stratum from the top down water content is different, and physical mechanical properties also can be different, and perhaps upper strata soil layer water content is little, and lower floor soil layer water content is big, according to stratum condition, also can connect two storage tanks on the saw board, and 15 adopt two backstads, carry out dry spraying and wet spraying simultaneously, and a part pipe spouts thick liquid, and a part pipe spouts powder, accomplishes the scientific and exquisite construction according to stratum water content, guarantees the reinforcement effect.
The construction method adopting any one of the construction equipment comprises the following concrete construction processes:
step one, construction equipment is assembled, and the length of the saw plate 1, the form of the spray pipe 13, the feeding form and the feeding pressure of the storage tank 15 are determined according to the drilling result of the earlier soil layer;
step two, determining the shape of the reinforcing body, determining the proper shape of the reinforcing body according to the topography of the area to be reinforced, and determining the position of the reinforcing body grid after measuring the defense line;
and thirdly, forming the reinforcement body, wherein the power equipment adjusts the angle of the saw plate 1 cutting into the soil body by driving the hydraulic rod 10, the power equipment drives the saw chain 4 to rotate by driving the transmission shaft 12 to cut into, the storage tank 15 controls the feeding of the spray pipes 13 through the background, the flow control valve 14 is used for controlling the feeding pressure of each spray pipe 13, and forming the reinforcement body according to the determined mesh shape of the reinforcement body.
In this embodiment, the raw materials stored in the storage tank 15 are cement dry powder or slurry with a certain water-cement ratio obtained by adding water into the solidified materials and stirring.
In this embodiment, the reinforcing body may be any one of a rectangular mesh reinforcing body, a prismatic mesh reinforcing body, and a regular triangle mesh reinforcing body.
The preparation flow before construction is as follows:
1. site cleaning is carried out before construction, all construction barriers on the ground and underground in the construction range are removed, the construction barriers comprise large stones, tree roots, household garbage and the like, leveling is carried out on uneven sites, compaction is carried out, clay is backfilled at low-lying positions, and miscellaneous soil cannot be backfilled.
2. And measuring and paying off according to the direction and the size of the designed reinforced grid, marking by scattering white lines, and determining the grid position.
3. Leveling a background field, electrifying through water during wet construction, adjusting a slurry pump and a stirring barrel, and preparing solidified slurry according to a designed water-cement ratio; and in the dry construction, electrifying and debugging the powder spraying pump.
4. Assembling the saw plate 1 and the saw chain 4 according to the designed reinforcement depth requirement, and installing the saw chain 4 on the saw plate 1; according to the designed width of the three-dimensional reinforcement grid, corresponding saw teeth 8 and stirring blades 9 are arranged on the saw chain 4; and the nozzle 13 is connected.
The molding process of the reinforcing body is as follows:
1. planning construction sequence, moving host to counterpoint, transmission shaft 5 output power drive gear 2, and then drive saw chain 4 rotation, top stretch hydraulic stem 10, make saw board 1 slowly rotate around the axle from the horizontality, draw the pitch arc to cut into the soil in, along with saw board 1 cut into the soil constantly, start the thick liquid pump or the powder pump of backstage, open each thick liquid pipe or the flow control valve 14 of powder pipe in proper order from dark to shallow in proper order, spray into the solidification material to soil under high pressure, stop top stretch hydraulic stem 10 after saw board 1 rotates to the established angle, keep backstage, storage tank 15, saw chain 4 continuous operating condition, power equipment advances according to established reinforcement direction, begin formal reinforcement operation.
2. After the power equipment moves to the boundary of the reinforcement range, the background slurry pump or the powder spraying pump is stopped, the flow control valve 14 of each slurry spraying pipe or powder spraying pipe is closed, the hydraulic rod 10 is contracted, the saw plate 1 reversely rotates out of the ground, then the position of the power equipment is moved, and the reinforcement operation of the next area is repeated.
3. The advancing direction of the power equipment is a straight line, a three-dimensional parallel reinforcing body is formed in a foundation soil body after a plurality of reinforcing operations are performed in one direction, in order to form a grid-shaped reinforcing body in the foundation soil body, the power equipment needs to perform reinforcing operations in a plurality of directions, for example, if square three-dimensional grid reinforcing bodies are required to be formed in the soil body, the reinforcing operation of the foundation needs to be performed in two stages, the power equipment advances in the vertical direction for reinforcing, the power equipment advances in the transverse direction for reinforcing in the second stage, and square grid-shaped reinforcing bodies can be formed in the foundation soil body after the two-stage reinforcing operations are completed; if diamond or regular triangle solid grid reinforcing bodies are formed in the soil body, the main machine can be realized by only adjusting the advancing direction of the main machine and adding necessary reinforcing stages according to the situation.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a construction equipment of three-dimensional net formula reinforcement weak soil foundation which characterized in that: the saw plate comprises a saw plate, a transmission gear and a guide gear are respectively arranged at the head end and the tail end of the saw plate, a saw chain is sleeved outside the transmission gear and the guide gear, the transmission gear drives to rotate through a transmission box fixed on the saw plate, a guide groove used for limiting the saw chain is formed in the saw plate, a guide wheel is arranged in the guide groove, the guide wheel is used for rolling and supporting the saw chain, a plurality of groups of saw teeth and stirring blades are uniformly arranged on the outer side of the saw chain, a hydraulic rod and a connecting rod are hinged to the head of the saw plate, the hydraulic rod, the connecting rod and a transmission shaft of the transmission box are externally connected with power equipment, a plurality of spray pipes are uniformly arranged on the saw plate, a flow control valve is arranged at the front end of each spray pipe, an injection hole is arranged at the tail end of each spray pipe, all the spray pipes are connected to a storage tank in a gathering mode, and the storage tank is used for controlling feeding through background equipment.
2. Construction equipment according to claim 1, characterized in that: the saw plate is composed of a power section, an extension section and a guide section, wherein the extension section is provided with one section or a plurality of sections, the power section is a head section, the transmission gear is arranged on the power section, the guide section is a tail section, and the guide wheel is arranged on the guide section.
3. Construction equipment according to claim 1, characterized in that: and the butt joint parts of the power joint, the lengthening joint and the guide joint are reserved with mounting holes and fixedly connected through bolts.
4. Construction equipment according to claim 1, characterized in that: the tail section of the spray pipe provided with the spray hole is close to the edge of the saw plate.
5. Construction equipment according to claim 1, characterized in that: the spray pipe adopts a slurry spraying pipe or a powder spraying pipe.
6. Construction equipment according to claim 1, characterized in that: the saw teeth and the stirring blades are uniformly staggered on the saw chain.
7. A construction method using the construction equipment according to any one of claims 1 to 6, characterized in that: the concrete construction flow is as follows:
step one, construction equipment is assembled, and the length of a saw plate, the form of a spray pipe, the feeding form of a storage tank and the feeding pressure are determined according to the drilling result of an earlier soil layer;
step two, determining the shape of the reinforcing body, determining the proper shape of the reinforcing body according to the topography of the area to be reinforced, and determining the position of the reinforcing body grid after measuring the defense line;
and thirdly, forming the reinforcing body, wherein the power equipment adjusts the angle of the saw plate cutting into the soil body by driving the hydraulic rod, the power equipment drives the saw chain to rotate by driving the transmission shaft, the storage tank controls the feeding of the spray pipes through the background, the flow control valve is used for controlling the feeding pressure of each spray pipe, and forming the reinforcing body according to the determined grid shape of the reinforcing body.
8. The construction method according to claim 7, wherein the specific diagnosis is: the raw materials stored in the storage tank adopt cement dry powder or slurry with a certain water-cement ratio by adding water into the solidified materials and stirring.
9. The construction method according to claim 7, wherein: the reinforcing body can be any one of rectangular grid reinforcing bodies, prismatic grid reinforcing bodies and regular triangle grid reinforcing bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311503063.4A CN117513304A (en) | 2023-11-13 | 2023-11-13 | Construction equipment and construction method for reinforcing soft soil foundation by three-dimensional grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311503063.4A CN117513304A (en) | 2023-11-13 | 2023-11-13 | Construction equipment and construction method for reinforcing soft soil foundation by three-dimensional grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117513304A true CN117513304A (en) | 2024-02-06 |
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ID=89765794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311503063.4A Pending CN117513304A (en) | 2023-11-13 | 2023-11-13 | Construction equipment and construction method for reinforcing soft soil foundation by three-dimensional grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117513304A (en) |
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2023
- 2023-11-13 CN CN202311503063.4A patent/CN117513304A/en active Pending
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