CN114657967B - Temporary concrete road reinforcing device for soft soil layer construction - Google Patents
Temporary concrete road reinforcing device for soft soil layer construction Download PDFInfo
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- CN114657967B CN114657967B CN202210233619.1A CN202210233619A CN114657967B CN 114657967 B CN114657967 B CN 114657967B CN 202210233619 A CN202210233619 A CN 202210233619A CN 114657967 B CN114657967 B CN 114657967B
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- 239000002689 soil Substances 0.000 title claims abstract description 95
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 44
- 239000004744 fabric Substances 0.000 claims description 23
- 239000002002 slurry Substances 0.000 claims description 15
- 239000011440 grout Substances 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
-
- 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
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- 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
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Soil Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a temporary concrete road reinforcing device for soft soil layer construction. The soft soil layer construction temporary concrete road reinforcing device comprises a soft soil layer; the grouting mechanism is used for rotationally connecting the inner wall of the soft soil layer with three drill rods, the side wall of each drill rod is provided with a spiral blade, and the bottom end of the drill rod positioned at the lowest part is provided with the drill bit and the spray head; a limiting mechanism; a support mechanism; a drainage mechanism; the reinforcing mechanism comprises a fixed pad, a second steel wire, a connecting sleeve and an inclined rod, wherein the top ends of the connector and the supporting mechanism are connected with the fixed pad in a sliding manner, the connecting sleeve is arranged on the side wall of the fixed pad, and the second steel wire is sleeved on the side wall of the connecting sleeve; the inside of the fixed pad is obliquely provided with a plurality of inclined rods, and the inclined rods are clamped with the steel wire mesh; a fixing mechanism; the temporary concrete road reinforcing device for soft soil layer construction provided by the invention has the advantages of rapid foundation reinforcement and low cost.
Description
Technical Field
The invention relates to the technical field of weak soil layer reinforcement, in particular to a temporary concrete road reinforcement device for weak soil layer construction.
Background
Weak soil generally refers to loose, highly compressible, low shear strength soft soil and untreated filled soil. The foundation in which the bearing layer is mainly composed of soft soil is called a soft foundation. With the rapid development of national economy in China, basic construction in China is vigorous, building lands are increasingly tense, many projects have to be built on the lands which are considered unsuitable for building needs in the past, when building (constructed) buildings on soft soil layers, the strength of the natural foundations often cannot meet the design requirements, and a series of problems such as soil stabilization, deformation and the like are encountered.
In the early stage of building construction, some construction sites need to construct temporary roads in order to conveniently transport building materials; but constructing a highway on the surface of the soft foundation, and reinforcing the soft foundation; in the process of reinforcing a deep soft foundation, workers often use a sand cushion layer method and a plastic drainage plate method to ensure that the foundation is drained and consolidated, but the sand cushion layer method and the plastic drainage plate method have longer time, but the construction period of paving a temporary road is short, so the method is not suitable for reinforcing the foundation; the pile compaction reinforcement method is adopted to reinforce the foundation, so that the cost is too high, and the road construction cost is increased.
Therefore, it is necessary to provide a new temporary concrete road reinforcing apparatus for soft soil layer construction to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing a temporary concrete road reinforcing device for soft soil layer construction, which can quickly reinforce a foundation and has low cost.
In order to solve the technical problems, the temporary concrete road reinforcing device for soft soil layer construction provided by the invention comprises: a soft soil layer; the grouting device comprises a grouting mechanism, a grouting device and a grouting device, wherein the grouting mechanism comprises a drill bit, a spray head, drill rods, blades, grouting plugs, a chute and connectors, the inner wall of a soft soil layer is rotationally connected with three drill rods, the spiral blades are arranged on the side wall of each drill rod, and the drill bit and the spray head are arranged at the bottom end of the drill rod which is positioned at the lowest part; the slurry stopping plugs are fixedly connected between the adjacent drill rods, the side walls of the slurry stopping plugs are provided with the sliding grooves, and the top surface of the uppermost slurry stopping plug is fixedly connected with the joint; the diameters of the three drill rods and the slurry stop plugs are sequentially increased from bottom to top, and the widths of the blades distributed on the side walls of the three drill rods are sequentially increased from bottom to top; the limiting mechanism is rotationally connected with the chute; the pavement layer comprises a gravel layer, a roadbed, a fine sand layer and a steel wire mesh, wherein the fine sand layer is paved on the surface of the soft soil layer, the steel wire mesh is directly installed on the fine sand layer and the gravel layer, and the roadbed is paved on the surface of the gravel layer; the supporting mechanism is abutted against the uppermost one of the slurry stopping plugs; a drainage mechanism mounted inside the fine sand layer, the drainage mechanism being fixed inside the support mechanism; the reinforcing mechanism comprises a fixed pad, a second steel wire, a connecting sleeve and an inclined rod, wherein the top ends of the connector and the supporting mechanism are connected with the fixed pad in a sliding manner, the connecting sleeve is arranged on the side wall of the fixed pad, and the second steel wire is sleeved on the side wall of the connecting sleeve; the inside of the fixed pad is obliquely provided with a plurality of inclined rods, and the inclined rods are clamped with the steel wire mesh; the fixing mechanism is arranged in the fixing pad and is clamped with the top end side wall of the head and the supporting mechanism; the side wall of the fixed pad is of a funnel-shaped structure, the fixed pad is positioned in the crushed stone layer, and the second steel wire wound on the side wall of the connecting sleeve is of a triangular structure.
Preferably, the drainage mechanism comprises a drainage pipe, a geotechnical cloth layer, a filter cartridge and a connecting plate, wherein the drainage pipe and the geotechnical cloth layer are arranged in the fine sand layer; the side wall of the drain pipe is fixedly connected with the filter cylinder, the side wall of the filter cylinder is provided with the connecting plates which are distributed in an annular mode, and the side wall of each connecting plate is sleeved with the geotechnical cloth layer.
Preferably, the supporting mechanism comprises a fixed plate, an inserting plate, a fixed sleeve, supporting rods, connecting rods, a mounting ring, fixed rods and first steel wires, the side walls of the drain pipes are abutted against the fixed plate, the inserting plate is symmetrically arranged on the bottom surface of the fixed plate, and a plurality of supporting rods are symmetrically arranged on the top surface of the fixed plate; the support rod is fixed with the fixing sleeve through a bolt, the fixing sleeve is abutted against the drain pipe, and the top end of the fixing sleeve is fixedly connected with the fixing rod; one end of the connecting rod is clamped with the supporting rod, the mounting ring is mounted on the side wall of the connecting rod, and the first steel wire is wound on the side wall of the mounting ring; the connecting rod is connected with the inside of the chute in a sliding mode, and the connecting rod with elasticity abuts against the side wall of the grout stop plug.
Preferably, the plugboard is obliquely arranged on the bottom surface of the fixed plate, and the oblique direction of the plugboard at one end of the fixed plate is opposite to the oblique direction of the plugboard at the other end of the fixed plate.
Preferably, the diameter of the filter cartridge is smaller than the inner diameter of the drain pipe, and the diameter of the geotechnical cloth layer is smaller than the diameter of the drain pipe.
Preferably, the fixing mechanism comprises a sliding rod, a convex block and a groove, the inner side wall of the fixing pad is provided with a plurality of convex blocks with arc side walls, the groove is formed in the side walls of the fixing rod and the joint at equal intervals, and the convex blocks with elasticity are connected with the groove, the fixing rod and the side walls of the joint in a sliding mode; the fixed pad and the inside of the connecting sleeve are obliquely and slidingly connected with the sliding rod, and the side wall of the sliding rod is abutted against the second steel wire; the side wall of the sliding rod is of a U-shaped structure, and the sliding rod is abutted against the protruding block, the fixing rod and the side wall of the connector.
Preferably, the limiting mechanism comprises a fixed seat, balls and a screw, the fixed seat is installed on the surface of the soft soil layer, the fixed seat is in threaded connection with the screw, one end of the screw is in rolling connection with the balls, and the balls are in sliding connection with the inside of the sliding groove.
Compared with the related art, the temporary concrete road reinforcing device for soft soil layer construction has the following beneficial effects:
the invention provides a temporary concrete road reinforcing device for soft soil layer construction, which is characterized in that when a soft soil layer is reinforced, a drill is used for drilling a drill bit, a drill rod, a spray head and a section of blade into the soft soil layer, after a lowermost slurry stop plug enters the soft soil layer to seal a drilling hole, the slurry stop plug is fixed by using a limiting mechanism, a grouting machine is connected with the joint, mortar is injected into the joint and the drill rod by the grouting machine, the mortar is sprayed into the soft soil layer by the spray head, the spray head is tangent to the drill rod, so that the mortar sprayed from the spray head is tangent to the drill rod, the drill rod and the blade are pushed to rotate, part of mortar sprayed from the spray head continuously enters the soft soil layer, the blade is rotated clockwise through the upward movement of the drilling hole, and the blade is enabled to move downwards, so that most of mortar is prevented from being pressed into the soft soil layer by pushing the mortar; when grouting is completed, a second section of the drill rod is driven into the soft soil layer by using a drilling machine, the stop plug is fixed by using the limiting mechanism in the same way, a grouting machine is connected with the joint again, so that mortar is injected into the soft soil layer again, at the moment, the spiral blade on the side wall of the second section of the drill rod is contacted with the mortar at the first grouting position, the blade rotates to drive the mortar to move downwards, the mortar at the first grouting position enters the second grouting position, the last drill rod is driven into the soft soil layer according to the above, and therefore the pressure of the mortar in the soft soil layer is gradually increased from top to bottom, but when the grouting is performed for the second time and the third time, the mortar at the upper grouting position is pushed by the blade to move downwards to squeeze the mortar sprayed out of the spray nozzle, the pressure of the mortar is increased, the mixing area with the mortar in the soft soil layer is increased, so that more mortar is mixed into the soft soil layer, the stability of the soft soil layer is increased, the pressure of the drill rod is increased to the soft soil layer is increased, and the soft soil layer is firmly solidified after the soft soil layer is fixed; the fine sand layer, the steel wire mesh, the crushed stone layer and the foundation are paved on the surface of the soft soil layer in sequence, and the fine sand layer and the drainage mechanism effectively remove water in the soft soil layer and can effectively prevent the foundation from unevenly settling; when laying the wire net, the fixed bolster will supporting mechanism the joint with the firm fixing of wire net is in the same place, will the firm fixing of wire net is in the surface of thin sand bed increases simultaneously the bearing capacity of wire net prevents the inhomogeneous subsidence and the deformation of ground, and the workman of being convenient for is under construction fast, does not need simultaneously squeeze into the pile body in the soft soil layer, reduces construction cost.
Drawings
Fig. 1 is a schematic structural view of a temporary concrete road reinforcing device for soft soil layer construction, which is provided by the invention;
FIG. 2 is an enlarged schematic view of the structure at A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B shown in FIG. 2;
FIG. 4 is a top view of the wire mesh structure shown in FIG. 3;
FIG. 5 is a schematic view illustrating an internal structure of the fixing pad shown in FIG. 3;
FIG. 6 is a top view of the mounting plate structure shown in FIG. 3;
FIG. 7 is a side view of the interior structure of the drain pipe shown in FIG. 6;
FIG. 8 is a schematic view of the grouting mechanism shown in FIG. 1;
fig. 9 is an enlarged schematic view of the structure at C shown in fig. 8.
Reference numerals in the drawings: 1. soft soil layer, 2, paving layer, 21, gravel layer, 22, roadbed, 23, fine sand layer, 24, steel wire mesh, 3, grouting mechanism, 31, drill bit, 32, spray head, 33, drill rod, 34, blade, 35, grout stop, 36, chute, 37, joint, 4, supporting mechanism, 41, fixing plate, 42, plugboard, 43, fixing sleeve, 44, supporting rod, 45, connecting rod, 46, mounting ring, 47, fixing rod, 48, first steel wire, 5, drainage mechanism, 51, drain pipe, 52, geotechnical cloth layer, 53, filter cartridge, 54, connecting plate, 6, reinforcing mechanism, 61, fixing pad, 62, second steel wire, 63, connecting sleeve, 64, diagonal rod, 7, fixing mechanism, 71, slide rod, 72, bump, 73, groove, 8, limit mechanism, 81, fixing seat, 82, ball, 83, screw.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9 in combination, fig. 1 is a schematic structural diagram of a temporary concrete road reinforcement device for weak soil layer construction according to the present invention; FIG. 2 is an enlarged schematic view of the structure at A shown in FIG. 1; FIG. 3 is an enlarged schematic view of the structure at B shown in FIG. 2; FIG. 4 is a top view of the wire mesh structure shown in FIG. 3; FIG. 5 is a schematic view illustrating an internal structure of the fixing pad shown in FIG. 3; FIG. 6 is a top view of the mounting plate structure shown in FIG. 3; FIG. 7 is a side view of the interior structure of the drain pipe shown in FIG. 6; FIG. 8 is a schematic view of the grouting mechanism shown in FIG. 1; fig. 9 is an enlarged schematic view of the structure at C shown in fig. 8. The utility model provides a weak soil layer construction temporary concrete road reinforcing apparatus which characterized in that includes: a soft soil layer 1; the grouting mechanism 3 comprises a drill bit 31, a spray head 32, a drill rod 33, a blade 34, a grouting plug 35, a chute 36 and a joint 37, wherein the inner wall of the soft soil layer 1 is rotationally connected with three drill rods 33, the side wall of the drill rod 33 is provided with a spiral blade 34, and the bottom end of the drill rod 33 positioned at the lowest part is provided with the drill bit 31 and the spray head 32; the adjacent drill rods 33 are fixedly connected with the grout stop plugs 35, the side walls of the grout stop plugs 35 are provided with the sliding grooves 36, and the top surface of the uppermost grout stop plug 35 is fixedly connected with the connector 37; the limiting mechanism 8 is rotationally connected with the sliding groove 36; a paving layer 2, wherein the paving layer 2 comprises a gravel layer 21, a roadbed 22, a fine sand layer 23 and a steel wire mesh 24, the fine sand layer 23 is paved on the surface of the soft soil layer 1, the fine sand layer 23 and the gravel layer 21 are directly provided with the steel wire mesh 24, and the roadbed 22 is paved on the surface of the gravel layer 21; a support mechanism 4, wherein the support mechanism 4 is abutted against the uppermost one of the slurry stop plugs 35; a drainage mechanism 5, wherein the drainage mechanism 5 is installed inside the fine sand layer 23, and the drainage mechanism 5 is fixed inside the supporting mechanism 4; the reinforcing mechanism 6 comprises a fixed pad 61, a second steel wire 62, a connecting sleeve 63 and an inclined rod 64, the top ends of the connector 37 and the supporting mechanism 4 are connected with the fixed pad 61 in a sliding mode, the connecting sleeve 63 is arranged on the side wall of the fixed pad 61, and the second steel wire 62 is sleeved on the side wall of the connecting sleeve 63; the inside of the fixing pad 61 is obliquely provided with a plurality of inclined rods 64, and the inclined rods 64 are clamped with the steel wire mesh 24; and a fixing mechanism 7, wherein the fixing mechanism 7 is arranged inside the fixing pad 61, and the fixing mechanism 7 is engaged with the top end side wall of the head 37 and the supporting mechanism 4.
The drainage mechanism 5 comprises a drainage pipe 51, a geotechnical cloth layer 52, a filter cartridge 53 and a connecting plate 54, wherein the drainage pipe 51 and the geotechnical cloth layer 52 are arranged in the fine sand layer 23; the side wall of the drain pipe 51 is fixedly connected with the filter drum 53, the side wall of the filter drum 53 is provided with the annular connecting plates 54, the side wall of the connecting plates 54 is sleeved with the geotechnical cloth layers 52, the supporting mechanism 4 comprises a fixing plate 41, an inserting plate 42, a fixing sleeve 43, supporting rods 44, connecting rods 45, a mounting ring 46, fixing rods 47 and first steel wires 48, the side wall of the drain pipe 51 is abutted against the fixing plate 41, the inserting plate 42 is symmetrically arranged on the bottom surface of the fixing plate 41, and a plurality of supporting rods 44 are symmetrically arranged on the top surface of the fixing plate 41; the supporting rod 44 is fixed with the fixing sleeve 43 through bolts, the fixing sleeve 43 is abutted against the drain pipe 51, and the top end of the fixing sleeve 43 is fixedly connected with the fixing rod 47; one end of the connecting rod 45 is clamped with the supporting rod 44, the mounting ring 46 is mounted on the side wall of the connecting rod 45, and the first steel wire 48 is wound on the side wall of the mounting ring 46; the connecting rod 45 is slidably connected with the inside of the chute 36, and the elastic connecting rod 45 abuts against the side wall of the grout stop 35; in order to facilitate the spreading of the fine sand layer 23 on the surface of the soft soil layer 1, the fixing plate 41 is placed on the fine sand, the insertion plate 42 on the bottom surface of the fixing plate 41 is inclined into the fine sand, the insertion plate 42 is obliquely arranged on the bottom surface of the fixing plate 41, the inclination direction of the insertion plate 42 at one end of the fixing plate 41 is opposite to the inclination direction of the insertion plate 42 at the other end of the fixing plate 41, the insertion plate 42 increases the friction force of the fixing plate 41 on the surface of the fine sand, the insertion plate 42 prevents the fixing plate 41 from sliding randomly on the surface of the fine sand, the drain pipe 51 is placed on the fixing plate 41, the fixing plate 41 is fixed on the surface of the fixing plate 41 by using bolts and the fixing sleeve 43, hooks are respectively arranged at two ends of the side wall of the connecting rod 45, the hooks are respectively arranged on the side walls of the two support rods 44, the connecting rod 45 are moved on the side walls of the support rod 44, the connecting rod 45 is aligned with the bending groove 36, the connecting rod 45 is bent with the side wall of the connecting rod 45, the first side wall 45 is fixed on the side wall 45, the connecting rod 45 is fixed on the side wall 45 by the side wall 45, and the connecting rod 45 is fixed by the side wall 45 by the side of the connecting rod 45, and the first wall 45 is fixed by the connecting rod 45, and the first side 45 is fixed by the connecting rod 45; the fine sand layer 23 has good water permeability, the pressure of the water in soft soil on the paving layer 2 is small, the water in soft soil enters the interior of the fine sand layer 23, the soil around the drill rods 33 is mixed with mortar, the water content of the soil around the drill rods 33 is small, the water content of the soft soil between the two drill rods 33 is large, so that the water entering the interior of the fine sand layer 23 moves towards the direction of the drill rods 33, the soft soil between the two drill rods 33 is prevented from sinking due to too fast drainage and consolidation, and the uneven sedimentation of the soft soil layer 1 is prevented; the water with geotechnique's cloth layer 52 contact, geotechnique's cloth layer 52 prevents impurity entering, simultaneously the connecting plate 54 will geotechnique's cloth layer 52 props up, geotechnique's cloth layer 52 not directly with strain a section of thick bamboo 53 contact, avoid strain a section of thick bamboo 53 to block up, be convenient for the inside water of fine sand layer 23 runs through geotechnique's cloth layer 52 with strain a section of thick bamboo 53 and get into the inside of drain pipe 51.
The diameter of the filter cartridge 53 is smaller than the inner diameter of the drain pipe 51, and the diameter of the geotechnical cloth layer 52 is smaller than the diameter of the drain pipe 51, so that water entering the inside of the filter cartridge 53 is moved downward into the inside of the drain pipe 51 for convenience.
The fixing mechanism 7 comprises a slide bar 71, a protruding block 72 and a groove 73, wherein a plurality of protruding blocks 72 with arc-shaped side walls are arranged on the inner side walls of the fixing pad 61, the groove 73 is formed in the side walls of the fixing rod 47 and the joint 37 at equal intervals, and the protruding blocks 72 with elasticity are connected with the side walls of the groove 73, the fixing rod 47 and the joint 37 in a sliding mode; the fixing pad 61 and the inside of the connecting sleeve 63 are connected with the sliding rod 71 in an inclined sliding manner, and the side wall of the sliding rod 71 is abutted against the second steel wire 62; the side walls of the slide bar 71 are of a 'U' -shaped structure, and the slide bar 71 abuts against the protruding block 72, the fixing bar 47 and the side walls of the joint 37, when the fixing pad 61 moves downwards along the side walls of the joint 37 and the fixing bar 47, the protruding block 72 inside the fixing pad 61 moves downwards along the side walls of the joint 37 and the fixing bar 47, the side walls of the protruding block 72 are mutually and downwards bent, so that the protruding block 72 moves downwards along the side walls of the joint 37 and the fixing bar 47, when the fixing pad 61 has an upward movement trend, the bending direction of the protruding block 72 is opposite to the bending direction of the fixing pad 61, the protruding block 72 is tightly attached to the side walls of the joint 37 and the fixing bar 47, and meanwhile the grooves 73 are formed in the side walls of the joint 37 and the fixing bar 47, so that friction force between the protruding block 72 and the side walls of the joint 37 and the fixing bar 47 is further increased, the second steel wire mesh is prevented from moving upwards, and the second steel wire mesh is prevented from being tightly pressed against the side walls of the fixing pad 72, and the second steel wire mesh is prevented from moving upwards, and the wire mesh is prevented from being tightly pressed against the side walls of the fixing pad 72, and the fixing pad 72 is further pressed against the side walls of the wire mesh 72.
The side wall of the fixing pad 61 is of a funnel-shaped structure, the fixing pad 61 is positioned in the crushed stone layer 21, and the second steel wire 62 wound on the side wall of the connecting sleeve 63 is of a triangular structure; to facilitate the second wire 62 to fix the joint 37 and the fixing rod 41 together, stability of the joint 37 and the fixing rod 41 is increased.
The diameters of the three drill rods 33 and the slurry stop plugs 35 are sequentially increased from bottom to top, and the widths of the blades 34 distributed on the side walls of the three drill rods 33 are sequentially increased from bottom to top, so that the blades 34 can rotate to press the mortar downwards, and the mortar is prevented from flowing backwards upwards.
The limiting mechanism 8 comprises a fixed seat 81, balls 82 and a screw 83, the fixed seat 81 is installed on the surface of the soft soil layer 1, the fixed seat 81 is in threaded connection with the screw 83, one end of the screw 83 is in rolling connection with the balls 82, and the balls 82 are in sliding connection with the inside of the chute 36; when the drill rod 33 is fixed, the fixing seat 81 is placed on the surface of the soft soil layer 1, the fixing seat 81 is moved to align the screw 83 with the chute 36, the screw 83 is rotated on the side wall of the fixing seat 81, and the screw 83 drives the balls 82 to enter the chute 36, so that the grout stop 35 is fixed, and the drill rod 33 is prevented from moving downwards in the grouting process.
The working principle of the temporary concrete road reinforcing device for soft soil layer construction provided by the invention is as follows: when the soft soil layer 1 is reinforced, the drill bit 31, one drill rod 33, the spray head 32 and one section of the blade 34 are drilled into the soft soil layer 1 by using a drilling machine, after the lowermost one of the grout stop plugs 35 enters the soft soil layer 1 to seal the drilled holes, the fixing seat 81 is placed on the surface of the soft soil layer 1, the fixing seat 81 is moved, the screw 83 is aligned with the sliding groove 36, the screw 83 is rotated on the side wall of the fixing seat 81, and the screw 83 drives the balls 82 to enter the sliding groove 36, so that the grout stop plugs 35 are fixed. Connecting a grouting machine with the joint 37, injecting mortar into the joint 37 and the drill rod 33 by the grouting machine, injecting the mortar into the soft soil layer 1 through the nozzle 32, wherein the nozzle 32 is tangential to the drill rod 33, so that the mortar injected from the nozzle 32 is tangential to the drill rod 33, thereby pushing the drill rod 33 and the blade 34 to rotate, the mortar injected from the nozzle 34 continuously enters the soft soil layer 1, part of the mortar moves upwards through a drilling hole, and the spiral blade 34 rotates clockwise, so that the blade 34 pushes the mortar to move downwards, the mortar is prevented from leaking out of the drilling hole, and most of the mortar is pressed into the soft soil layer 1; when grouting is completed, a second section of drill rod 33 is driven into the soft soil layer 1 by using a drilling machine, the grouting plug 35 is fixed by using the screw 83 in the same way, a grouting machine is connected with the joint 37 again, so that mortar is injected into the soft soil layer 1 again, at the moment, the spiral blade 34 on the side wall of the second section of drill rod 33 is contacted with mortar at the first grouting position, the blade 34 rotates to drive the mortar to move downwards, so that the mortar at the first grouting position enters the second grouting position, the last section of drill rod 33 is driven into the soft soil layer 1 according to the above, thereby the grouting is performed on the soft soil layer 1 for three times from top to bottom, and as the pressure of the mortar inside the soft soil layer 1 is gradually increased from top to bottom, but when in secondary grouting and three times grouting, the mortar at the upper grouting position is pushed by the blade 34 to move downwards to squeeze the mortar sprayed out of the nozzle 32, the pressure of four-scattering is increased, the mortar mixed with the soft soil layer 1 is increased, so that the mortar at the first grouting position is dispersed in the soft soil layer 1, the pressure of the drill rod 33 is gradually increased, and the soft soil layer 1 is firmly fixed, and the stability of the soft soil layer 1 is increased.
When the mortar in the soft soil layer 1 is solidified, the fine sand layer 23 is paved on the surface of the soft soil layer 1, the fixing plate 41 is placed on the fine sand, the inserting plate 42 on the bottom surface of the fixing plate 41 is inclined into the fine sand, the inserting plate 42 is obliquely arranged on the bottom surface of the fixing plate 41, the inclination direction of the inserting plate 42 on one end of the fixing plate 41 is opposite to the inclination direction of the inserting plate 42 on the other end of the fixing plate 41, the inserting plate 42 increases the friction force of the fixing plate 41 on the fine sand surface, the inserting plate 42 prevents the fixing plate 41 from sliding randomly on the fine sand surface, the drain pipe 51 is placed on the fixing plate 41, the drain pipe 51 is fixed on the surface of the fixing plate 41 by using bolts and the fixing sleeve 43, the fixing plate 41 is moved, hooks are respectively installed on the two ends of the connecting rod 45 against the side wall of the slurry stop 35 by the fixing plate 41, the hooks are hooked on the side walls of the two supporting rods 44, the connecting rods 45 are moved on the side walls of the supporting rods 44, the connecting rods 45 are aligned with the sliding grooves 36, the first steel wires 48 are wound on the side walls of the two connecting rods 45 and the mounting rings 46, the first steel wires 48 are tightened, the first steel wires 48 drive the connecting rods 45 to bend, the connecting rods 45 bend into the inside of the sliding grooves 36 to abut against the side walls of the slurry stopping plugs 35, the mounting rings 46 prevent the first steel wires 48 from shaking randomly, the connecting rods 45 are fixed in the sliding grooves 36, thereby fixing the fixing plates 41 and the drain pipes 51 on the side walls of the slurry stopping plugs 35 and the drill rods 33, fine sand is continuously paved, the drain pipes 51 are covered by the fine sand, and after the fine sand layer 23 is covered, the steel wire mesh 24 is paved on the surface of the fine sand layer 23, the joint 37 and the fixing rod 47 penetrate through the steel wire mesh 24, the fixing pad 61 moves downwards along the side walls of the joint 37 and the fixing rod 47, the protruding blocks 72 inside the fixing pad 61 move downwards along the side walls of the joint 37 and the fixing rod 47, the side walls of the protruding blocks 72 are mutually and downwards bent, so that the protruding blocks 72 move downwards along the side walls of the joint 37 and the fixing rod 47, when the fixing pad 61 has an upward movement trend, the bending direction of the protruding blocks 72 is opposite to the bending direction of the fixing pad 61, the protruding blocks 72 are clung to the side walls of the joint 37 and the fixing rod 47, meanwhile, the grooves 73 are formed in the side walls of the joint 37 and the fixing rod 47, the side walls of the joint 37 and the fixing rod 47 are uneven, and further friction force between the protruding blocks 72 and the side walls of the joint 37 and the fixing rod 47 prevents the fixing pad 61 from moving upwards; as the fixing pad 61 moves downward, the fixing pad 61 moves downward to collide with the steel wire mesh 24, the diagonal rod 64 inside the fixing pad 61 moves downward to press the steel wire mesh 24 and the fine sand layer 23, the second steel wire 62 is wound around the connecting sleeve 62, and when the second steel wire 62 is wound around the side wall of the connecting sleeve 63, the second steel wire 62 presses the slide rod 71, the slide rod 71 moves downward to collide with the bump 72, the fixing rod 47 and the side wall of the joint 37, preventing the bump 72 from moving upward, and at the same time further increasing the resistance of the fixing pad 61 to move upward, so that the fixing pad 61 tightly presses the steel wire mesh 24; the second steel wires 62 wound on the side wall of the connecting sleeve 63 are in a triangular structure, the second steel wires 62 fix the joint 37 and the fixing rod 41 together, stability of the joint 37 and the fixing rod 41 is increased, meanwhile, the supporting mechanism 4, the drainage mechanism 5, the joint 37 and the steel wire mesh 24 are connected together, stability and firmness are increased, and then the gravel layer 21 and the foundation 22 are paved in sequence. The fine sand layer 23 has good water permeability, the pressure of the water in soft soil on the paving layer 2 is small, the water in soft soil enters the interior of the fine sand layer 23, the soil around the drill rods 33 is mixed with mortar, the water content of the soil around the drill rods 33 is small, the water content of the soft soil between the two drill rods 33 is large, so that the water entering the interior of the fine sand layer 23 moves towards the direction of the drill rods 33, the soft soil between the two drill rods 33 is prevented from sinking due to too fast drainage and consolidation, and the uneven sedimentation of the soft soil layer 1 is prevented; the water with geotechnique's cloth layer 52 contact, geotechnique's cloth layer 52 prevents impurity entering, simultaneously the connecting plate 54 will geotechnique's cloth layer 52 props up, geotechnique's cloth layer 52 not directly with strain a section of thick bamboo 53 contact, avoid strain a section of thick bamboo 53 to block up, be convenient for the inside water of fine sand layer 23 runs through geotechnique's cloth layer 52 with strain a section of thick bamboo 53 and get into the inside of drain pipe 51. The steel wire mesh 24 and the crushed stone layer 21 increase the stability and bearing capacity of the foundation 22, and the fixing pad 61 firmly fixes the supporting mechanism 4, the joint 34, the drill rod 33 and the steel wire mesh 24 together, so that the bearing capacity and stability of the steel wire mesh 24 are increased, the foundation 22 is prevented from sinking and deforming unevenly, and the quick construction of workers is facilitated.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The utility model provides a weak soil layer construction temporary concrete road reinforcing apparatus which characterized in that includes:
A soft soil layer (1);
The grouting device comprises a grouting mechanism (3), wherein the grouting mechanism (3) comprises a drill bit (31), a spray head (32), a drill rod (33), blades (34), a grouting stop plug (35), a chute (36) and a joint (37), the inner wall of a soft soil layer (1) is rotationally connected with three drill rods (33), the spiral blades (34) are arranged on the side wall of each drill rod (33), and the drill bit (31) and the spray head (32) are arranged at the bottom end of the lowest drill rod (33); the slurry stopping plugs (35) are fixedly connected between the adjacent drill rods (33), the side walls of the slurry stopping plugs (35) are provided with the sliding grooves (36), and the top surface of the uppermost slurry stopping plug (35) is fixedly connected with the joint (37);
The limiting mechanism (8) is rotationally connected with the sliding groove (36);
the pavement system comprises a pavement layer (2), wherein the pavement layer (2) comprises a gravel layer (21), a roadbed (22), a fine sand layer (23) and a steel wire mesh (24), the fine sand layer (23) is paved on the surface of the soft soil layer (1), the steel wire mesh (24) is directly installed on the fine sand layer (23) and the gravel layer (21), and the roadbed (22) is paved on the surface of the gravel layer (21);
-a support mechanism (4), said support mechanism (4) abutting against the uppermost one of said stopper (35); the supporting mechanism (4) comprises a fixed plate (41), an inserting plate (42), a fixed sleeve (43), supporting rods (44), connecting rods (45), a mounting ring (46), fixed rods (47) and first steel wires (48), the side wall of a drain pipe (51) is abutted against the fixed plate (41), the inserting plate (42) is symmetrically arranged on the bottom surface of the fixed plate (41), and a plurality of supporting rods (44) are symmetrically arranged on the top surface of the fixed plate (41); the support rod (44) is fixed with the fixing sleeve (43) through bolts, the fixing sleeve (43) is abutted against the drain pipe (51), and the top end of the fixing sleeve (43) is fixedly connected with the fixing rod (47); one end of the connecting rod (45) is clamped with the supporting rod (44), the mounting ring (46) is mounted on the side wall of the connecting rod (45), and the first steel wire (48) is wound on the side wall of the mounting ring (46); the connecting rod (45) is connected with the inside of the chute (36) in a sliding way, and the connecting rod (45) with elasticity is abutted against the side wall of the grout stop plug (35); the plugboard (42) is obliquely arranged on the bottom surface of the fixed plate (41), and the oblique direction of the plugboard (42) at one end of the fixed plate (41) is opposite to the oblique direction of the plugboard (42) at the other end of the fixed plate (41);
a drainage mechanism (5), wherein the drainage mechanism (5) is arranged inside the fine sand layer (23), and the drainage mechanism (5) is fixed inside the supporting mechanism (4);
the reinforcing mechanism (6), the reinforcing mechanism (6) comprises a fixed pad (61), a second steel wire (62), a connecting sleeve (63) and an inclined rod (64), the top ends of the connector (37) and the supporting mechanism (4) are connected with the fixed pad (61) in a sliding mode, the connecting sleeve (63) is installed on the side wall of the fixed pad (61), and the second steel wire (62) is sleeved on the side wall of the connecting sleeve (63); the inside of the fixed pad (61) is obliquely provided with a plurality of inclined rods (64), and the inclined rods (64) are clamped with the steel wire mesh (24); the side wall of the fixed pad (61) is of a funnel-shaped structure, the fixed pad (61) is positioned in the crushed stone layer (21), and the second steel wire (62) wound on the side wall of the connecting sleeve (63) is of a triangular structure;
A fixing mechanism (7), wherein the fixing mechanism (7) is arranged in the fixing pad (61), and the fixing mechanism (7) is clamped with the joint (37) and the top end side wall of the supporting mechanism (4); the fixing mechanism (7) comprises a sliding rod (71), a convex block (72) and a groove (73), wherein a plurality of convex blocks (72) with arc-shaped side walls are arranged on the inner side walls of the fixing pad (61), the groove (73) is formed in the side walls of the fixing rod (47) and the joint (37) at equal intervals, and the convex blocks (72) with elasticity are connected with the groove (73), the fixing rod (47) and the side walls of the joint (37) in a sliding mode; the fixed pad (61) and the inside of the connecting sleeve (63) are obliquely and slidingly connected with the sliding rod (71), and the side wall of the sliding rod (71) is abutted against the second steel wire (62); the side wall of the sliding rod (71) is of a U-shaped structure, and the sliding rod (71) is abutted against the side walls of the protruding block (72), the fixing rod (47) and the connector (37).
2. The temporary concrete road reinforcing apparatus for soft soil layer construction according to claim 1, wherein the drainage mechanism (5) comprises a drain pipe (51), a geotechnical cloth layer (52), a filter cartridge (53) and a connection plate (54), the drain pipe (51) and the geotechnical cloth layer (52) being installed inside the fine sand layer (23); the side wall of the drain pipe (51) is fixedly connected with the filter cylinder (53), the side wall of the filter cylinder (53) is provided with the connecting plates (54) which are distributed in an annular mode, and the side wall of each connecting plate (54) is sleeved with the geotechnical cloth layer (52).
3. The temporary concrete road reinforcing apparatus for soft soil layer construction according to claim 2, wherein the diameter of the filter cartridge (53) is smaller than the inner diameter of the drain pipe (51), and the diameter of the geotechnical cloth layer (52) is smaller than the diameter of the drain pipe (51).
4. The temporary concrete road reinforcement device for soft soil layer construction according to claim 1, wherein the diameters of the three drill rods (33) and the grout stop plugs (35) are sequentially increased from bottom to top, and the widths of the blades (34) distributed on the side walls of the three drill rods (33) are sequentially increased from bottom to top.
5. The temporary concrete road reinforcement device for soft soil layer construction according to claim 1, wherein the limit mechanism (8) comprises a fixed seat (81), balls (82) and a screw (83), the fixed seat (81) is installed on the surface of the soft soil layer (1), the fixed seat (81) is in threaded connection with the screw (83), one end of the screw (83) is in rolling connection with the balls (82), and the balls (82) are in sliding connection with the inside of the chute (36).
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