CN114164723A - Muck type construction waste filled highway subgrade and construction method thereof - Google Patents
Muck type construction waste filled highway subgrade and construction method thereof Download PDFInfo
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- CN114164723A CN114164723A CN202111373252.5A CN202111373252A CN114164723A CN 114164723 A CN114164723 A CN 114164723A CN 202111373252 A CN202111373252 A CN 202111373252A CN 114164723 A CN114164723 A CN 114164723A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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Abstract
The utility model relates to a dregs class building waste fills up highway subgrade and construction method thereof belongs to the technical field of civil engineering construction, including the foundation ditch, the foundation ditch interpolation is equipped with a plurality of spud piles, is equipped with between spud pile and foundation ditch to be used for fixing the lower fixed subassembly of spud pile in the foundation ditch, water in the foundation ditch and be equipped with concrete layer, concrete layer's top is filled up and is equipped with dregs layer, and dregs layer's top is equipped with the grid, and the grid passes the spud pile setting, be equipped with between spud pile and the grid and be used for fixing the butt piece between spud pile and dregs layer with the grid, the top of grid is watered and is equipped with the pitch layer. The method has the effect of reducing the settlement phenomenon easily caused after the dregs building waste is used for filling the highway subgrade for a long time.
Description
Technical Field
The application relates to the technical field of civil construction, in particular to a slag-soil type construction waste filled highway subgrade and a construction method thereof.
Background
At present, the highway adapts to the development of industrialization and urbanization, the highway subgrade is the foundation of the road surface and is a geotechnical structure formed by excavation or filling, and necessary conditions are provided for road surface laying and driving operation; with the urbanization development of China, billions of tons of construction wastes are produced every year, so that the filling of the construction wastes such as dregs on the expressway becomes an important measure for recycling energy.
The existing method for filling the expressway subgrade by using the slag soil type building wastes is only to compact the soil in a foundation pit, pour a slag soil layer and a concrete layer in the foundation pit and pour and fill an asphalt layer at the same time.
In view of the above-mentioned related technologies, the inventors consider that there is a defect that the sediment-type construction waste is likely to settle after being used for a long time after being filled.
Disclosure of Invention
In order to overcome the defect that the settlement phenomenon is easy to occur after the highway subgrade is used for a long time, the application provides the highway subgrade filled with the muck type construction waste and the construction method thereof.
In a first aspect, the application provides a dregs class building waste fills highway subgrade, adopts following technical scheme:
the utility model provides a dregs class building waste fills up highway subgrade, includes the foundation ditch, the foundation ditch interpolation is equipped with a plurality of spud piles, is equipped with between spud pile and foundation ditch to be used for fixing the lower fixed subassembly in the foundation ditch with the spud pile, water in the foundation ditch and be equipped with concrete layer, the top on concrete layer is filled up and is equipped with the dregs layer, and the top on dregs layer is equipped with the grid, and the grid passes the spud pile setting, be equipped with between spud pile and the grid and be used for fixing the butt piece between spud pile and dregs layer with the grid, the top of grid is watered and is equipped with the pitch layer.
By adopting the technical scheme, the lower fixing component is arranged below the foundation pit, the fixing pile is inserted into the foundation pit and fixed by the lower fixing component, concrete is poured into the foundation pit and forms a concrete layer, the building waste is stirred into slag and filled into the slag layer above the concrete layer, the grid is laid on the slag layer, the fixing pile sequentially penetrates through the concrete layer, the slag layer and the grid from top to bottom, the grid is fixed between the fixing pile and the slag layer by the abutting piece, the fixing pile prevents the structure in the foundation pit from settling, the asphalt layer is poured above the grid and protects the structure in the foundation pit, the anti-settling function of the structure in the foundation pit is realized, and the defect that the settlement phenomenon easily occurs after the slag-soil building waste is filled into the highway subgrade for a long time is overcome.
Optionally, a slot into which the fixing pile is inserted is formed in the inner bottom wall of the foundation pit, sliding grooves are symmetrically formed in the circumferential side walls of the slot, the lower fixing assembly comprises two clamping half rings, two clamping springs and a reset spring, the two clamping half rings, the two clamping springs and the reset spring are arranged in the sliding grooves in a sliding mode and are arranged oppositely, the two clamping springs are fixedly arranged at two ends of each clamping half ring respectively, two ends of each clamping spring are fixedly arranged on the side walls, close to each other, of the two clamping half rings respectively, the two reset springs are located in the sliding grooves, each reset spring is fixedly arranged in the corresponding sliding groove, one end of each reset spring is fixedly arranged in the corresponding sliding groove, and the other end of each reset spring is fixedly connected with the corresponding clamping half ring; the diameter of the fixing pile is larger than the circumferential inner diameter of the two clamping semi-rings, the bottom end of the fixing pile is closed, and fixing grooves for the clamping semi-rings to be inserted are formed in the circumferential side wall of the fixing pile.
Through adopting above-mentioned technical scheme, the spud pile is inserted and is established to the slot in, and the spud pile when two joint semi-rings looks butt, the spud pile promotes two joint semi-rings and moves towards the direction of keeping away from each other in the spout, and the joint spring is tensile, and reset spring compresses, and when the spud pile moves to joint semi-ring joint to the fixed slot in, the bottom and the slot looks butt and the rigidity of spud pile, lower fixed subassembly is fixed the spud pile in the slot, has improved the installation stability of spud pile.
Optionally, a fixing rod is inserted into the foundation pit, limiting grooves are formed in the two sliding grooves, a limiting rod is slidably arranged in the limiting grooves, one end of the limiting rod is fixedly arranged on the clamping semi-ring, an insertion hole is formed in the upper surface of the limiting rod, a plurality of through holes are formed in the inner bottom wall of the foundation pit, and an upper fixing assembly for fixing the top end of the fixing rod is arranged on the lower fixing assembly; when the clamping spring and the return spring are both in a natural state, the jack is communicated with the through hole and the fixing rod is inserted.
Through adopting above-mentioned technical scheme, when the joint semi-ring removed, the gag lever post slided along the length direction of spacing groove, and when two joint semi-rings joint to fixed slot in, the dead lever passed the jack by the perforation, and the rigidity of dead lever carries on spacingly through the gag lever post to the joint semi-ring, has strengthened the fixed effect of joint semi-ring to the spud pile.
Optionally, go up fixed subassembly including solid fixed ring and a plurality of nut, gu fixed ring sets up the upper surface at the grid, the dead lever passes the grid and gu fixed ring sets up, nut screw-thread fit is at the dead lever top and with solid fixed ring looks butt.
Through adopting above-mentioned technical scheme, the dead lever passes concrete layer, sediment layer and grid from top to bottom in proper order, twists on the dead lever and when with solid fixed ring looks butt when the nut, the rigidity of grid has improved the installation stability of grid.
Optionally, the cross section of the fixing rod is arranged in a polygonal shape.
Through adopting above-mentioned technical scheme, the cross section is the dead lever that the polygon set up and inserts and establish to the jack in the back, and the horizontal position of dead lever is fixed, when the nut was screwed up with the dead lever mutually, has reduced the possibility that the dead lever probably passes by oneself, and then has improved the fixed efficiency of last fixed subassembly.
Optionally, the abutting part comprises a spiral ring, the spiral ring is in threaded fit with the top end of the fixing pile, and the bottom end of the spiral ring is abutted to the grid.
Through adopting above-mentioned technical scheme, after the grid was laid, the spiro was screwed up to the circumference outer wall of spud pile and is supported tightly with the grid, has further realized the rigidity of grid.
Optionally, the top of grid has set firmly the protecting against shock layer, the protecting against shock layer includes protecting against shock layer and last protecting against shock layer down, and the two relative one side is wave and looks butt setting.
Through adopting above-mentioned technical scheme, the vehicle is when going at high speed on pitch layer top, goes up the wave lateral wall between protecting against shock layer and the lower protecting against shock layer and makes the effort that has the horizontal direction between the two for the two position is relatively fixed, has reduced the injury of the vehicle in going at high speed to the ground, and then has improved the stability of ground.
Optionally, an elastic layer is fixedly arranged between the upper impact-proof layer and the lower impact-proof layer.
Through adopting above-mentioned technical scheme, when going up the interact force that has the horizontal direction between protecting against shock layer and the lower protecting against shock layer, the elastic layer cushions the effort between the two, and then has improved the relatively stable between last protecting against shock layer and the lower impact layer.
Optionally, one side of going up protecting against shock layer towards protecting against shock layer down has set firmly a plurality of fixture blocks, protecting against shock layer one side of going up protecting against shock layer has seted up a plurality of confessions inserted block and has inserted the draw-in groove of establishing down.
Through adopting above-mentioned technical scheme, when going up the protecting against shock layer and fixing on protecting against shock layer down, the fixture block is inserted and is established to the draw-in groove in, and the fixture block leads to last protecting against shock layer, has improved the convenience when going up protecting against shock layer installation, has improved the relative stability between last protecting against shock layer and the protecting against shock layer down simultaneously.
In a second aspect, the application provides a construction method for filling a highway subgrade with muck type construction waste, which adopts the following technical scheme:
a construction method for filling a highway subgrade with muck type construction wastes comprises the following steps:
s1, measuring and setting out, digging a foundation pit on the ground, impacting and compacting the inner bottom wall of the foundation pit, then forming a slot for inserting a fixing pile into the inner bottom wall of the foundation pit, and arranging a lower fixing component at the slot;
s2, inserting the fixing piles into the slots, and fixing the bottom ends of the fixing piles at the slots by the lower fixing assemblies;
s3, pouring concrete into the foundation pit to form a concrete layer;
s4, paving a slag layer on the upper surface of the concrete layer, and compacting the slag layer;
s5, paving a grid on the upper surface of the muck layer, and fixing the grid at the top end of the fixing pile by the abutting piece;
and S6, fixing the impact-resistant layer on the upper surface of the grid, and pouring the asphalt layer on the upper surface of the impact-resistant layer.
By adopting the technical scheme, measurement and paying-off are carried out before the foundation pit is excavated, so that the soil below the excavated foundation pit is compact, after the foundation pit is excavated, the soil below the bottom wall in the foundation pit is compacted, the soil below the foundation pit is preliminarily compacted, the lower fixing component is arranged at the slot, the fixing pile is inserted into the slot, the lower fixing component fixes the bottom end of the fixing pile, the inserting stability of the fixing pile is improved, concrete is arranged in the foundation pit to form a concrete layer, slag is filled in the foundation pit to form a slag layer, the fixing pile penetrates through the concrete layer and the slag layer to improve the anti-settling effect of the foundation, the grid is placed on the upper surface of the slag layer, the grid is reinforced at the top end of the fixing pile by the abutting component, the anti-settling stability of the foundation is greatly improved, and finally the asphalt layer is poured above the grid, if the foundation has the settlement trend, the spud pile wholly plays ascending pulling force to the foundation, has promoted the anti-settling effect of foundation greatly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the lower fixing component improves the installation stability of the fixing pile, the concrete layer enables the interior of the foundation pit to be more stable, the slag layer further improves the stability degree of the interior of the foundation pit, the grating and the abutting part improve the anti-settling performance of the foundation pit, the asphalt layer is poured above the grating and protects the structure in the foundation pit, and the defect that the settlement phenomenon is easy to occur after the slag-soil building waste is used for filling the highway subgrade for a long time is overcome;
2. when the fixing pile moves to the state that the clamping semi-ring is clamped into the fixing groove, the bottom end of the fixing pile is abutted to the inserting groove and is fixed in position, and the lower fixing assembly fixes the fixing pile in the inserting groove, so that the mounting stability of the fixing pile is improved;
3. the protecting against shock layer makes the two positions relatively fixed, has reduced the injury of the vehicle in high-speed driving to the ground, and then has improved the stability of ground.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is a cross-sectional view showing the click spring;
fig. 4 is a schematic view showing the structure of the upper and lower fixing members.
In the figure, 1, a foundation pit; 11. a slot; 111. a chute; 112. a limiting groove; 113. perforating; 12. a concrete layer; 13. a slag soil layer; 14. a grid; 15. an impact-resistant layer; 151. a lower impact-resistant layer; 1511. a card slot; 152. an elastic layer; 153. an impact-proof layer is arranged; 1531. a clamping block; 16. an asphalt layer; 2. fixing the pile; 21. fixing grooves; 3. a lower fixing component; 31. clamping the semi-rings; 32. clamping a spring; 33. a return spring; 34. a limiting rod; 341. a jack; 4. fixing the rod; 5. an upper fixing assembly; 51. a fixing ring; 52. a nut; 6. an abutting member; 61. and (4) a spiro ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a muck type construction waste fills highway subgrade.
Referring to fig. 1 and 2, the roadbed for a highway filled with dregs building wastes comprises a foundation pit 1 dug on the ground, wherein the inner bottom wall of the foundation pit 1 is compacted, a fixing pile 2 is inserted into the foundation pit 1, a plurality of slots 11 for inserting the fixing pile 2 are formed in the inner bottom wall of the foundation pit 1, a lower fixing component 3 for fixing the bottom end of the fixing pile 2 into the slots 11 is arranged in the slots 11, a square fixing rod 4 is inserted into the foundation pit 1, a through hole 113 for inserting the fixing rod 4 is formed in the inner bottom wall of the foundation pit 1, the bottom end of the fixing rod 4 is fixed by the lower fixing component 3, a concrete layer 12 is poured in the foundation pit 1 by concrete, a grid 14 is laid on the upper surface of the concrete layer 12, a dregs layer 13 is laid on the upper surface of the grid 14 by dregs, the grid 14 is also laid on the upper surface of the dregs layer 13, a butt joint part 6 for fixing the grid 14 on the upper surface of the dregs layer 13 is arranged at the top end of the fixing pile 2, the top ends of the fixing rods 4 are provided with upper fixing assemblies 5 for fixing the top ends of the fixing rods 4 on the upper surface of the grating 14, and an asphalt layer 16 is poured above the grating 14.
Firstly digging a foundation pit 1 on the ground, compacting soil at the bottom of the foundation pit 1, inserting a fixed pile 2 into an insertion slot 11, inserting a fixed rod 4 into a through hole 113, pouring concrete into the foundation pit 1 to form a concrete layer 12, paving a grid 14 on the upper surface of the concrete layer 12 after penetrating the fixed pile 2 and the fixed rod 4, paving muck into the foundation pit 1 to form a muck layer 13, paving a grid 14 on the upper surface of the muck layer 13 after penetrating the fixed pile 2 and the fixed rod 4, sequentially penetrating the concrete layer 12 and the grid 14 from bottom to top after penetrating the fixed pile 2 and the fixed rod 4, the slag soil layer 13 and the grid 14 are arranged, the abutting part 6 and the upper fixing component 5 tightly press the grid 14, the slag soil layer 13 and the concrete layer 12 in the foundation pit 1, the asphalt layer 16 is poured on the upper surface of the foundation in the foundation pit 1, the anti-settling function of the structure in the foundation pit 1 is realized, and the defect that the settlement phenomenon easily occurs after the slag soil type building waste is used for filling the highway subgrade for a long time is overcome.
Referring to fig. 2 and 3, the slot 11 is symmetrically provided with two sliding grooves 111 on the circumferential side wall, the lower fixing assembly 3 includes a snap-fit half ring 31 slidably disposed in the sliding grooves 111, two snap-fit springs 32 respectively fixed at two ends of the snap-fit half ring 31, a return spring 33 fixed in the sliding grooves 111, the snap-fit half ring 31, the clamping spring 32 and the reset spring 33 are both provided with two clamping semi-rings 31, the two clamping semi-rings 31 are arranged oppositely, two ends of the clamping spring 32 are respectively and fixedly arranged on the end surfaces, close to each other, of the two clamping semi-rings 31, the two reset springs 33 are respectively arranged on the side walls, away from each other, of the two clamping semi-rings 31, one end of each reset spring 33 is fixedly arranged on each clamping semi-ring 31, the other end of each reset spring 33 is fixedly arranged on the inner wall of the corresponding sliding groove 111, the cross sectional area of the bottom end of the fixing pile 2 is enlarged from bottom to top, and the circumferential outer wall of the fixing pile 2 is provided with a fixing groove 21 for the clamping semi-rings 31 to be inserted into; when the clamping spring 32 and the return spring 33 are both in a natural state, the two clamping half rings 31 are abutted against each other.
When inserting the bottom of spud pile 2 and establishing to slot 11 in, spud pile 2 inserts and establishes between two joint semi-rings 31 and in joint semi-ring 31 looks butt, the direction motion that two joint board semi-rings deviate from each other, joint spring 32 is tensile, reset spring 33 compresses, when spud pile 2 removes to joint semi-ring 31 and gets into in the fixed slot 21, the bottom of spud pile 2 and the bottom looks butt of slot 11, the position of spud pile 2 is fixed, joint spring 32 and reset spring 33 all resume natural state, the position fixation of spud pile 2 has been realized, the soil of inserting messenger foundation ditch 1 below of spud pile 2 is compacter, and then the anti-settlement effect of ground has further been improved.
Referring to fig. 2 and 4, the inner walls of the two sliding grooves 111, which are away from each other, are both provided with a limiting groove 112, a limiting rod 34 is slidably arranged in the limiting groove 112, one end of the limiting rod 34 is fixedly arranged on the circumferential outer wall of the clamping half ring 31, and the upper surface of the limiting rod 34 is provided with a jack 341 for inserting the fixing rod 4; when the clamping spring 32 and the return spring 33 are both in a natural state, the insertion hole 341 is communicated with the through hole 113; after the position of the fixing pile 2 is fixed, the fixing rod 4 is inserted into the insertion hole 341 through the through hole 113, so that the anti-settling effect of the foundation is better while the soil can be further compacted.
Referring to fig. 2 and 4, the abutting member 6 includes a screw ring 61 screwed to the top end of the spud pile 2, and after the grid 14 is laid on the upper surface of the slag layer 13, the screw ring 61 is screwed to the top end of the spud pile 2 until the screw ring 61 abuts against the grid 14; the upper fixing component 5 comprises a fixing ring 51 laid on the upper surface of the grating 14 and a nut 52 in threaded connection with the top end of the fixing rod 4, the fixing ring 51 is laid on the upper surface of the grating 14 after the two fixing rods 4 penetrate through the fixing ring, and the nut 52 is screwed to the top end of the fixing rod 4 until the nut 52 is abutted against the fixing ring 51; the abutments 6 and the upper fixing assemblies 5 compact the structure below themselves, so that the grid 14 and the muck layer 13 are more tightly fastened, and the possibility of foundation settlement is effectively prevented.
Referring to fig. 2, an impact-resistant layer 15 is arranged above the grid 14 above the slag layer 13, the impact-resistant layer 15 includes a lower impact-resistant layer 151, an elastic layer 152 and an upper impact-resistant layer 153, opposite side walls of the lower impact-resistant layer 151 and the upper impact-resistant layer 153 are arranged in a wave shape and mutually abutted, the elastic layer 152 is adhered between the lower impact-resistant layer 151 and the lower impact-resistant layer 151, when horizontal acting force is applied to a roadbed by vehicles on a highway, the upper impact-resistant layer 153 applies acting force to the lower impact-resistant layer 151 through the elastic layer 152, and impact damage to the roadbed when the vehicles run at high speed is reduced; a plurality of draw-in grooves 1511 have been seted up towards one side of the upper impact layer on lower protecting against shock layer 151, and one side of protecting against shock layer 153 towards lower protecting against shock layer 151 has set firmly a plurality of fixture blocks 1531, and fixture block 1531 inserts and sets up in draw-in groove 1511, has improved the installation stability between last protecting against shock layer 153 and lower protecting against shock layer 151.
The implementation principle of filling the highway subgrade with the dregs building wastes in the embodiment of the application is as follows: firstly digging a foundation pit 1 on the ground, compacting soil at the bottom of the foundation pit 1, inserting a fixed pile 2 into a slot 11, inserting a fixed rod 4 into a through hole 113, pouring concrete into the foundation pit 1 to form a concrete layer 12, penetrating a grid 14 through the fixed pile 2 and the fixed rod 4 and paving on the upper surface of the concrete layer 12 to tamp the concrete layer, pouring slag into the foundation pit 1 to form a slag layer 13, penetrating the grid 14 through the fixed pile 2 and the fixed rod 4 and paving on the upper surface of the slag layer 13 to tamp the slag layer, arranging the fixed pile 2 and the fixed rod 4 sequentially through the concrete layer 12, the grid 14, the slag layer 13 and the grid 14 from bottom to top, compacting the grid 14, the slag layer 13 and the concrete layer 12 in the foundation pit 1 by an abutting piece 6 and an upper fixing component 5, enabling the grid 14 and the slag layer 13 to be more tightly fastened, and fixing an impact-proof layer 15 on the upper surface of the grid 14, the impact damage to the roadbed caused by high-speed running of vehicles is reduced, the asphalt layer 16 is poured and arranged in the foundation pit 1 to serve as the upper surface of the foundation, the anti-sedimentation function of the structure in the foundation pit 1 is achieved, and the defect that sedimentation is easy to occur after the dregs building waste is used for filling the highway roadbed for a long time is overcome.
The embodiment of the application also discloses a construction method for filling the highway subgrade by the muck type construction waste, which comprises the following steps:
s1, measuring and setting out, digging a foundation pit 1 on the ground, impacting and compacting the inner bottom wall of the foundation pit 1, then arranging a slot 11 for inserting the fixing pile 2 in the inner bottom wall of the foundation pit 1, enabling the soil under the foundation pit 1 to be more compact, and arranging the lower fixing component 3 at the slot 11;
s2, inserting the fixing pile 2 into the slot 11, and fixing the bottom end of the fixing pile 2 at the slot 11 by the lower fixing component 3;
s3, pouring concrete into the foundation pit 1 to form a concrete layer 12, so that the bottom of the foundation pit 1 is more fastened and stable, and the grating 14 is laid on the upper surface of the concrete layer 12 to prevent settlement;
s4, paving a slag layer 13 on the upper surface of the concrete layer 12, compacting the slag layer 13, and paving a grid 14 on the upper surface of the slag layer 13 to prevent sedimentation;
s5, the grid 14 is fixed at the top end of the fixing pile 2 by the abutting piece 6, and the abutting piece 6 and the upper fixing component 5 compact the grid 14 above the muck layer 13;
and S6, fixing the impact-resistant layer 15 on the upper surface of the grid 14 to reduce the impact of the vehicle on the roadbed, and pouring the asphalt layer 16 on the upper surface of the impact-resistant layer 15 to serve as the surface layer of the foundation.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a dregs class building waste fills up highway subgrade, includes foundation ditch (1), its characterized in that: foundation ditch (1) interpolation is equipped with a plurality of spud piles (2), is equipped with between spud pile (2) and foundation ditch (1) and is used for fixing lower fixed subassembly (3) in foundation ditch (1) with spud pile (2), it is equipped with concrete layer (12) to water in foundation ditch (1), and the top of concrete layer (12) is filled out and is equipped with dregs layer (13), and the top on dregs layer (13) is equipped with grid (14), and grid (14) pass spud pile (2) and set up, be equipped with between spud pile (2) and grid (14) and be used for fixing grid (14) butt piece (6) between spud pile (2) and dregs layer (13), the top of grid (14) is poured and is equipped with asphalt layer (16).
2. The muck-type construction waste filled highway subgrade according to claim 1, which is characterized in that: the inner bottom wall of the foundation pit (1) is provided with a slot (11) for inserting the fixing pile (2), the circumferential side wall of the slot (11) is symmetrically provided with sliding grooves (111), the lower fixing component (3) comprises two clamping semi-rings (31), two clamping springs (32) and two return springs (33), the two clamping semi-rings (31), the two clamping springs (32) and the two return springs (33) are arranged in the sliding grooves (111) in a sliding mode and are arranged oppositely, the two clamping springs (32) are respectively fixedly arranged at two ends of each clamping semi-ring (31), two ends of each clamping spring (32) are respectively fixedly arranged on the side wall, close to each other, of the two clamping semi-rings (31), the two return springs (33) are respectively arranged in the sliding grooves (111) where each clamping semi-ring (31) is located, one end of each return spring (33) is fixedly arranged in the sliding groove (111), the other end of the reset spring (33) is fixedly connected with the clamping semi-ring (31); the diameter of spud pile (2) is greater than the circumference internal diameter setting of two joint semi-rings (31), the bottom binding off setting of spud pile (2) offers on the circumference lateral wall of spud pile (2) and supplies joint semi-ring (31) to insert fixed slot (21) of establishing.
3. The muck-type construction waste filled highway subgrade according to claim 2, wherein: a fixing rod (4) is inserted into the foundation pit (1), limiting grooves (112) are formed in the two sliding grooves (111), a limiting rod (34) is arranged in each limiting groove (112) in a sliding mode, one end of each limiting rod (34) is fixedly arranged on the corresponding clamping semi-ring (31), a jack (341) is formed in the upper surface of each limiting rod (34), a plurality of through holes (113) are formed in the inner bottom wall of the foundation pit (1), and an upper fixing assembly (5) used for fixing the top end of the fixing rod (4) is arranged on the lower fixing assembly (3); when the clamping spring (32) and the return spring (33) are both in a natural state, the insertion hole (341) is communicated with the through hole (113) and the fixing rod (4) is inserted.
4. The muck-type construction waste filled highway subgrade according to claim 3, wherein: go up fixed subassembly (5) including solid fixed ring (51) and a plurality of nut (52), gu fixed ring (51) sets up the upper surface at grid (14), dead lever (4) pass grid (14) and gu fixed ring (51) set up, nut (52) screw-thread fit is at dead lever (4) top and with gu fixed ring (51) looks butt.
5. The muck-type construction waste filled highway subgrade according to claim 3, wherein: the cross section of the fixing rod (4) is arranged in a polygon shape.
6. The muck-type construction waste filled highway subgrade according to claim 1, which is characterized in that: the abutting part (6) comprises a spiral ring (61), the spiral ring (61) is in threaded fit with the top end of the fixing pile (2), and the bottom end of the spiral ring (61) abuts against the grid (14).
7. The muck-type construction waste filled highway subgrade according to claim 1, which is characterized in that: the top of grid (14) has set firmly protecting against shock layer (15), protecting against shock layer (15) are including protecting against shock layer (151) and last protecting against shock layer (153) down, and one side that protecting against shock layer (151) and last protecting against shock layer (153) are relative down is wave and looks butt setting.
8. The muck-type construction waste filled highway subgrade according to claim 7, wherein: an elastic layer (152) is fixedly arranged between the upper impact-proof layer (153) and the lower impact-proof layer (151).
9. The muck-type construction waste filled highway subgrade according to claim 7, wherein: go up protecting against shock layer (153) and set firmly a plurality of fixture blocks (1531) towards one side on protecting against shock layer (151) down, protecting against shock layer (151) is down seted up a plurality of confession inserts card groove (1511) of establishing towards one side on protecting against shock layer (153).
10. A construction method for filling a highway subgrade by using muck type construction wastes is characterized by comprising the following steps: the method comprises the following steps:
s1, measuring and setting out, digging a foundation pit (1) on the ground, impacting and compacting the inner bottom wall of the foundation pit (1), then arranging a slot (11) for inserting the fixing pile (2) in the inner bottom wall of the foundation pit (1), and arranging the lower fixing component (3) at the slot (11);
s2, inserting the fixing pile (2) into the slot (11), and fixing the bottom end of the fixing pile (2) at the slot (11) by the lower fixing component (3);
s3, pouring concrete into the foundation pit (1) to form a concrete layer (12);
s4, paving a slag layer (13) on the upper surface of the concrete layer (12), and compacting the slag layer (13);
s5, paving a grid (14) on the upper surface of the slag layer (13), and fixing the grid (14) at the top end of the fixed pile (2) by the abutting piece (6);
s6, fixing the impact-resistant layer (15) on the upper surface of the grid (14), and pouring the asphalt layer (16) on the upper surface of the impact-resistant layer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373252.5A CN114164723B (en) | 2021-11-19 | 2021-11-19 | Muck type building waste filled highway subgrade and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373252.5A CN114164723B (en) | 2021-11-19 | 2021-11-19 | Muck type building waste filled highway subgrade and construction method thereof |
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| CN115110363A (en) * | 2022-05-20 | 2022-09-27 | 安徽路达公路工程有限责任公司 | Muck type building waste filled highway subgrade and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115110363A (en) * | 2022-05-20 | 2022-09-27 | 安徽路达公路工程有限责任公司 | Muck type building waste filled highway subgrade and construction method thereof |
| CN115110363B (en) * | 2022-05-20 | 2023-09-15 | 安徽路达公路工程有限责任公司 | Residue soil type construction waste filled highway subgrade and construction method thereof |
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