CN213267820U - Rammed broken stone pier reinforcement structure supported by close-packed three-dimensional grid - Google Patents
Rammed broken stone pier reinforcement structure supported by close-packed three-dimensional grid Download PDFInfo
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- CN213267820U CN213267820U CN202020778412.9U CN202020778412U CN213267820U CN 213267820 U CN213267820 U CN 213267820U CN 202020778412 U CN202020778412 U CN 202020778412U CN 213267820 U CN213267820 U CN 213267820U
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- reinforcement structure
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Abstract
The utility model discloses a tamped broken stone pier reinforcement structure that solid net supported closely arranged, include: the gravel pier bodies are arranged in the soft foundation of the tidal current channel; the gravel covering layer is laid above the soft foundation, and the bottom of the gravel covering layer is connected with the upper end of the gravel pier body. An object of the utility model is to provide a tamped broken stone mound reinforcement structure that solid grid supported closely, through the soft ground of handling the trend passageway, form a whole with the broken stone mound body and rubble overburden jointly, make the interior stable structure that forms of trend passageway soft ground, avoid the deep sliding of soft ground soil layer and collapse, increase stability and anti uplift nature, reduce trend passageway and block up.
Description
Technical Field
The utility model relates to a trend passageway ground treatment technical field, concretely relates to tamp garrulous stone mound reinforcement structure that solid grid supported closely arranged.
Background
Along with the social and economic development, the land resources are increasingly tense, the situation of land resource tension is relieved by the sea reclamation project, and along with the increasing sea reclamation project, the artificial backfill land is closer to the nearby non-resident islands.
In the process of artificial land making on soft foundations in coastal regions, engineering requirements for increasing the stability and resisting uplift of the soft foundations often appear. If a tidal current channel which is reserved between an artificial land and an adjacent non-residential island is needed, it is needed to ensure that the artificial land engineering is not connected with the non-residential island, and the tidal current channel between the artificial backfill land and the non-residential island is not blocked according to the requirement of sea area management. However, at present, the stratum under the tidal current channel is soft, the filled soil side slope between the artificial land and the tidal current channel is easy to be unstable, the backfilled artificial land extrudes the tidal current channel to generate deep soil body slippage and side slope collapse, and the soil body of the tidal current channel is easy to bulge and block.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tamped broken stone pier reinforcement structure that solid grid supported closely arranged for solve under the current trend passageway stratum soft uplift and artifical land slide and collapse and cause the problem that trend passageway blockked up to the trend passageway.
In order to achieve the above object, the utility model provides a following technical scheme, the tamped broken stone mound reinforcement structure that solid grid supported closely includes:
the gravel pier bodies are arranged in the soft foundation of the tidal current channel;
the gravel covering layer is laid above the soft foundation, and the bottom of the gravel covering layer is connected with the upper end of the gravel pier body.
Preferably, the rubble mound body includes first rubble mound, second rubble mound and third rubble mound, first rubble mound interval sets up, the second rubble mound sets up two adjacent the center of first rubble mound line, the third rubble mound sets up two adjacent the center of second rubble mound line.
The utility model provides a construction equipment of tamped broken stone pier reinforcement structure that solid grid supported closely, includes the dynamic compactor, the dynamic compactor sets up on the soft foundation, be provided with the ram on the dynamic compactor.
Preferably, the ram comprises:
a hammer body;
the lifting lug is arranged at the upper end of the hammer body.
Preferably, a plurality of vent holes penetrating through the upper end surface and the lower end surface of the hammer body are formed in the hammer body, the bottoms of the vent holes are provided with taper holes, and the diameter of the cross section of the lower end of each taper hole is larger than that of the cross section of the upper end of each taper hole.
Preferably, the upper end of the hammer body is provided with a hole cleaning device, and the hole cleaning device comprises:
the two guide rods are symmetrically arranged on two sides of the exhaust hole, and one end of each guide rod is fixedly connected with the upper end of the hammer body;
the spring is sleeved on the guide rod, and one end of the spring is fixedly connected with the upper end of the hammer body;
the guide rods are connected with the through holes in a sliding manner, and the bottom of the baffle is fixedly connected with the other end of the spring;
the vertical rod is arranged in the exhaust hole, one end of the vertical rod is fixedly connected with the baffle, the vertical rod is cylindrical, the diameter of the cross section of the vertical rod is smaller than that of the cross section of the exhaust hole, and one end of the vertical rod, which is far away from the baffle, is set to be in a sharp cone shape.
Preferably, the dynamic compaction machine further comprises a dynamic compaction machine, wherein the dynamic compaction machine comprises:
a body;
the arm support is arranged at one end of the machine body in a forward inclining mode, and a reinforcing structure is arranged between the arm support and the machine body.
Preferably, the device further comprises a traction device, wherein the traction device comprises:
the winch is arranged at the upper end of the machine body;
the first rotating shaft is arranged at the upper end of the arm support and is in rotating connection with the arm support;
the second rotating shaft is arranged in the middle of the arm support and is in rotating connection with the arm support, and a first pulley is mounted on the second rotating shaft;
the second pulley is arranged on the first rotating shaft, one end of a first steel wire rope is wound on the second pulley, and the other end of the first steel wire rope is wound on a winding drum of the winch after passing around the first pulley;
the third pulley is arranged on the first rotating shaft, one end of a second steel wire rope is wound on the third pulley, and the other end of the second steel wire rope is provided with a lifting hook;
the method for calculating the shortest length of the first steel wire rope comprises the following steps:
N＝D1/D2
S＝N*h
F＝W/N
where D1 denotes a radius of the second pulley, D2 denotes a radius of the third pulley, N denotes a ratio of the radii of the second pulley and the third pulley, S denotes a displacement of the first wire rope, h denotes a displacement of the second wire rope, F denotes a tension of the first wire rope, and W denotes a tension to which the second wire rope is subjected, and the shortest length of the first wire rope can be calculated from the ratio of the radii of the second pulley and the third pulley and the displacement of the second wire rope.
The technical scheme of the utility model has following advantage: the utility model discloses a tamped broken stone pier reinforcement structure that solid net supported closely arranged, include: the gravel pier bodies are arranged in the soft foundation of the tidal current channel; the gravel covering layer is laid above the soft foundation, and the bottom of the gravel covering layer is connected with the upper end of the gravel pier body. An object of the utility model is to provide a tamped broken stone mound reinforcement structure that solid grid supported closely, through the soft ground of handling the trend passageway, form a whole with the broken stone mound body and rubble overburden jointly, make the interior stable structure that forms of trend passageway soft ground, avoid the deep sliding of soft ground soil layer and collapse, increase stability and anti uplift nature, reduce trend passageway and block up.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the whole structure of a rammed crushed stone pier reinforcement body supported by a close-packed three-dimensional grid provided by the utility model;
FIG. 2 is a perspective view of a structure of a tamped broken stone pier reinforcement supported by a close-packed three-dimensional grid according to the present invention;
FIG. 3 is a broken stone pier body distribution diagram of a rammed broken stone pier reinforcement structure supported by a close-packed three-dimensional grid according to the present invention;
FIG. 4 is a construction diagram of a rammed crushed stone pier reinforcement structure supported by a close-packed three-dimensional grid according to the present invention;
FIG. 5 is a schematic diagram of a ram provided by the present invention;
FIG. 6 is a schematic view of the dynamic compactor provided by the present invention;
fig. 7 is a structural view of a traction device provided by the present invention;
fig. 8 is a side view of the traction device provided by the present invention.
The following were used: 1-broken stone pier body, 2-soft foundation, 3-broken stone covering layer, 4-first broken stone pier, 5-second broken stone pier, 6-third broken stone pier, 7-dynamic compactor, 8-rammer, 9-hammer body, 10-lifting lug, 11-exhaust hole, 12-taper hole, 13-guide rod, 14-spring, 15-baffle, 16-through hole, 17-vertical rod, 18-machine body, 19-arm support, 20-winch, 21-first rotating shaft, 22-second rotating shaft, 23-first pulley, 24-second pulley, 25-first steel wire rope, 26-third pulley, 27-second steel wire rope and 28-lifting hook.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The embodiment of the utility model provides a tamped broken stone pier reinforcement structure that solid grid of close packing supported, as shown in fig. 1, fig. 2, include:
the device comprises a gravel pier body 1, wherein a plurality of gravel pier bodies 1 are arranged in a soft foundation 2 of a tidal current channel;
and the gravel covering layer 3 is laid above the soft foundation 2, and the bottom of the gravel covering layer 3 is connected with the upper end of the gravel pier body 1.
The working principle and the beneficial effects of the technical scheme are as follows: the method comprises the steps that a macadam pier body 1 is arranged in a soft foundation 2 of a tidal current channel, then a macadam covering layer 3 is laid above the soft foundation 2, the macadam covering layer 3 and the macadam pier body 1 are connected into a whole to form a special integrally stable structure body, the macadam pier body 1 is replaced by high-energy-level tamped macadams, replacement materials are graded macadams or large-particle-size mountain leather stone dregs, the macadam pier body 1 is arranged to be olive-shaped, the depth range of the macadam pier body 1 is 5-18 m, the macadam pier body can penetrate below a deep sliding surface, the effects of stabilizing, draining and compacting the whole body are achieved, the horizontal anti-reduction capacity is improved, and the self weight and the internal friction angle of a soil body are; rubble mound body 1 top is laid rubble overburden 3, rubble overburden 3 particle diameter range is several centimetres ~ dozen centimetres, rubble overburden 3 thickness range is dozens of centimetres ~ several meters, the closely knit degree of rubble overburden 3 has been guaranteed, satisfy trend scour resistance, increase stability and dead weight, the uplift effect of balanced sliding has been played, through consolidating the rammed rubble mound reinforcement structure that trend passageway soft foundation 2 formed solid grid support of close packing, can solve soft foundation 2 and receive deep layer to slide to rise and close on the problem that artificial land side slope collapses the unstability and lead to trend channel to block up, the utility model discloses a quick, feasible, with low costs, effective and engineering case verification, the utility model discloses a successful application and popularization must be with the huge social and economic benefits of results.
In one embodiment, as shown in fig. 3, the stone pillar body 1 comprises a first stone pillar 4, a second stone pillar 5 and a third stone pillar 6, wherein the first stone pillars 4 are arranged at intervals, the second stone pillar 5 is arranged at the center of the line connecting two adjacent first stone pillars 4, and the third stone pillar 6 is arranged at the center of the line connecting two adjacent second stone pillars 5.
The working principle and the beneficial effects of the technical scheme are as follows: when the rubble mound body 1 is tamped, carry out the tamping of first rubble mound 4 earlier and then carry out the tamping of second rubble mound 5 again, carry out the tamping of third rubble mound 6 at last, interval between first rubble mound 4 and the second rubble mound 5 is 6m-15m, interval between two adjacent third rubble mounds 6 is 6m-15m, set up first rubble mound 4, second rubble mound 5, third rubble mound 6, adopt the alternate row to beat and carry out the tamping construction, can make rubble mound body 1 of rubble overburden 3 below be inseparable three-dimensional bearing structure, the overall stability in 2 stratum of improvement soft foundation that can be better.
The embodiment of the utility model provides a still provide a construction equipment of the garrulous mound reinforcement structure of ramming that solid grid supported closely arranged, as shown in figure 4, including dynamic compactor 7, dynamic compactor 7 sets up on the soft ground 2, be provided with ram 8 on the dynamic compactor 7.
The working principle and the beneficial effects of the technical scheme are as follows: the soft foundation 2 is provided with a dynamic compaction machine 7, and the dynamic compaction machine 7 can be used for tamping the soft foundation 2 through a tamping hammer 8 so as to achieve the purpose of dynamic compaction replacement.
In one embodiment, as shown in FIG. 5, the ram 8 comprises:
a hammer body 9;
the upper end of the hammer body 9 is provided with a lifting lug 10.
The working principle and the beneficial effects of the technical scheme are as follows: the dynamic compaction is a common engineering technology in foundation reinforcement engineering, the rammer 8 comprises a hammer body 9 and a lifting lug 10, the range of the diameter of the hammer body 9 is 1.2 m-3.2 m, the hammer body 9 is used for hooking the lifting lug 10 by a lifting appliance to convey the hammer body 9 to a high place, then the lifting lug 10 is loosened to enable the hammer body 9 to freely fall down, and the soft foundation 2 is compacted by means of the dynamic impact effect of the hammer body 9, so that the purpose of foundation reinforcement is achieved.
In one embodiment, as shown in fig. 5, a plurality of vent holes 11 are formed in the hammer body 9 and penetrate through the upper and lower end surfaces of the hammer body 9, the bottom of each vent hole 11 is provided with a tapered hole 12, and the cross-sectional diameter of the lower end of each tapered hole 12 is larger than that of the upper end of each tapered hole 12.
The working principle and the beneficial effects of the technical scheme are as follows: when the hammer body 9 falls down, strong impact force can be generated on the ground, local vacuum hammer suction can be generated, or local air is compressed by strong force to form an air cushion so that the rammer 8 bounces and deflects to influence the ramming effect, moreover, the decibel of the broken sound of the air mass which is diffused by the local air after being compressed by the strong force is very high, and serious environmental noise pollution can be caused on the periphery of a construction area, therefore, an exhaust hole 11 which penetrates through the hammer body 9 is formed in the hammer body 9, the exhaust hole 11 is used as a ventilation channel, in the falling process of the hammer body 9, gas between the stratum and the hammer body 9 is discharged out of the hammer body 9, the ramming effect is enhanced, the bottom of the exhaust hole 11 is set to be a cone, the cross sectional area of the bottom of the exhaust hole 11 is increased, and the exhaust hole.
In one embodiment, as shown in fig. 5, the upper end of the hammer body 9 is provided with a hole cleaning device, and the hole cleaning device comprises:
the number of the guide rods 13 is two, the two guide rods 13 are symmetrically arranged on two sides of the exhaust hole 11, and one end of each guide rod 13 is fixedly connected with the upper end of the hammer body 9;
the spring 14 is sleeved on the guide rod 13, and one end of the spring 14 is fixedly connected with the upper end of the hammer body 9;
the baffle 15 is provided with two through holes 16, the two guide rods 13 respectively penetrate through the two through holes 16, the guide rods 13 are slidably connected with the through holes 16, and the bottom of the baffle 15 is fixedly connected with the other end of the spring 14;
the vertical rod 17, the vertical rod 17 sets up in the exhaust hole 11, vertical rod 17 one end with baffle 15 fixed connection, vertical rod 17 is the cylinder form, vertical rod 17 cross section diameter is less than exhaust hole 11 cross section diameter, vertical rod 17 is kept away from baffle 15 one end sets up to the point toper.
The working principle and the beneficial effects of the technical scheme are as follows: the hammer block 9 falls to ground, the montant 17 still moves to exhaust hole 11 bottom under inertial effect, then baffle 15 is along guide bar 13 upward movement under spring 14's elastic force effect, it is ascending to drive montant 17 simultaneously, in the short time that the hammer block 9 falls to the ground, under inertia and spring 14 elastic force, montant 17 can carry out reciprocating motion in exhaust hole 11, thereby automatic clear the downthehole soil of gas, avoid exhaust hole 11 to be blockked up, montant 17 cross section diameter is less than exhaust hole 11 cross section diameter, prevent that montant 17 from blockking exhaust hole 11, set up montant 17 one end into the sharp toper, reduce area of contact, reduce the adhesion of the soil of exhaust hole 11 bottom and montant 17 bottom, make montant 17 more in exhaust hole 11 reciprocating motion number of times, it is better to clear the hole effect.
In one embodiment, as shown in fig. 6, the dynamic compactor 7 further comprises:
a body 18;
the arm support 19 is arranged at one end of the machine body 18 in a forward inclining mode, and a reinforcing structure is arranged between the arm support 19 and the machine body 18.
The working principle and the beneficial effects of the technical scheme are as follows: the dynamic compaction machine 7 is a mechanical device which is selected primarily for implementing dynamic compaction treatment on a foundation, the dynamic compaction machine 7 plays an important role in the treatment process of the foundation, the energy level range of the dynamic compaction machine 7 is 5000 kNm-25000 kNm, the dynamic compaction machine 7 comprises a machine body 18 and an arm support 19, the machine body 18 is used for bearing the arm support 19, a reinforcing structure is arranged between the arm support 19 and the machine body 18, the reinforcing structure can be a hydraulic prop, the inclination angle of the arm support 19 can be controlled by adjusting the length of the hydraulic prop, and the arm support 19 provides support for the compaction hammer 8.
In one embodiment, as shown in fig. 6, 7, 8, a traction device is further included, the traction device including:
a winch 20, wherein the winch 20 is arranged at the upper end of the machine body 18;
the first rotating shaft 21 is arranged at the upper end of the arm support 19, and the first rotating shaft 21 is rotatably connected with the arm support 19;
the second rotating shaft 22 is arranged in the middle of the arm support 19 and is rotatably connected with the arm support 19, and a first pulley 23 is mounted on the second rotating shaft 22;
a second pulley 24, wherein the second pulley 24 is installed on the first rotating shaft 21, one end of a first steel wire rope 25 is wound on the second pulley 24, and the other end of the first steel wire rope is wound around the first pulley 23 and wound on a winding drum of the winch 20;
a third pulley 26, wherein the third pulley 26 is mounted on the first rotating shaft 21, one end of a second steel wire rope 27 is wound on the third pulley 26, and the other end of the second steel wire rope 27 is provided with a hook 28;
the method for calculating the shortest length of the first steel wire rope 25 is as follows:
N＝D1/D2
S＝N*h
F＝W/N
where D1 denotes a radius of the second sheave 24, D2 denotes a radius of the third sheave 26, N denotes a ratio of radii of the second sheave 24 and the third sheave 26, S denotes a displacement of the first wire rope 25, h denotes a displacement of the second wire rope 27, F denotes a tension of the first wire rope 25, and W denotes a tension to which the second wire rope 27 is subjected, and the shortest length of the first wire rope 25 can be calculated from the ratio of radii of the second sheave 24 and the third sheave 26 and the displacement of the second wire rope 27.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, a lifting hook 28 at the lower end of a second steel wire rope 27 is hooked in a lifting lug 10 of a rammer 8, a winch 20 is arranged at the upper end of a machine body 18, the winch 20 rotates to tighten a first steel wire rope 25, the first steel wire rope 25 changes direction through a first pulley 23 arranged on a second rotating shaft 22 and then drives a second pulley 24 on the first rotating shaft 21 to rotate, the first steel wire rope 25 in the second pulley 24 is gradually wound on a winding drum of the winch 20, the second pulley 24 rotates and simultaneously drives a third pulley 26 to rotate so as to tighten and wind the second steel wire rope 27 in the third pulley 26, the lifting hook 28 at the lower end of the second steel wire rope 27 drives the rammer 8 to move upwards until the height required by dynamic compaction, then the lifting hook 28 automatically loosens, the rammer 8 freely falls downwards to complete a dynamic compaction work, and the radius ratio N of the radius D1 of the second pulley 24 and the radius D2 of the third pulley 26 is larger than the radius ratio, then, according to the maximum height h of the rammer 8, the shortest length required by the first steel wire rope 25 can be calculated, so that the cost is saved, according to the weight W of the rammer 8, the minimum traction force F required by the first steel wire rope 25 can also be calculated, and then the winch 20 meeting the requirement is selected.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (2)
1. The broken stone mound reinforcement structure of ramming that solid grid of close packing supported, its characterized in that includes:
the gravel pier bodies (1), a plurality of gravel pier bodies (1) are arranged in the soft foundation (2) of the tidal current channel;
rubble overburden (3), rubble overburden (3) are laid soft ground (2) top, rubble overburden (3) bottom with rubble mound body (1) upper end is connected.
2. The compacted broken stone pier reinforcement structure supported by the close-packed three-dimensional grid according to claim 1, wherein the broken stone pier body (1) comprises a first broken stone pier (4), a second broken stone pier (5) and a third broken stone pier (6), the first broken stone pier (4) is arranged at intervals, the second broken stone pier (5) is arranged at the center of the line of two adjacent first broken stone piers (4), and the third broken stone pier (6) is arranged at the center of the line of two adjacent second broken stone piers (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778412.9U CN213267820U (en) | 2020-05-12 | 2020-05-12 | Rammed broken stone pier reinforcement structure supported by close-packed three-dimensional grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778412.9U CN213267820U (en) | 2020-05-12 | 2020-05-12 | Rammed broken stone pier reinforcement structure supported by close-packed three-dimensional grid |
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| Publication Number | Publication Date |
|---|---|
| CN213267820U true CN213267820U (en) | 2021-05-25 |
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| CN202020778412.9U Active CN213267820U (en) | 2020-05-12 | 2020-05-12 | Rammed broken stone pier reinforcement structure supported by close-packed three-dimensional grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115168973A (en) * | 2022-08-08 | 2022-10-11 | 贵州正业工程技术投资有限公司 | Composite foundation design method for reinforcing broken stone pier by dynamic compaction surface layer |
-
2020
- 2020-05-12 CN CN202020778412.9U patent/CN213267820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115168973A (en) * | 2022-08-08 | 2022-10-11 | 贵州正业工程技术投资有限公司 | Composite foundation design method for reinforcing broken stone pier by dynamic compaction surface layer |
| CN115168973B (en) * | 2022-08-08 | 2024-02-13 | 建研地基基础工程有限责任公司 | Composite foundation design method for reinforced broken stone pier on surface layer of dynamic compaction |
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