CN209798846U - Shock insulation ditch with gradually-changed ditch width - Google Patents
Shock insulation ditch with gradually-changed ditch width Download PDFInfo
- Publication number
- CN209798846U CN209798846U CN201920052001.9U CN201920052001U CN209798846U CN 209798846 U CN209798846 U CN 209798846U CN 201920052001 U CN201920052001 U CN 201920052001U CN 209798846 U CN209798846 U CN 209798846U
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- groove
- ditch
- shock insulation
- width
- gradually
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- 230000035939 shock Effects 0.000 title claims abstract description 107
- 238000009413 insulation Methods 0.000 title claims abstract description 98
- 238000002955 isolation Methods 0.000 claims description 26
- 239000002689 soil Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 20
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Abstract
The utility model discloses a ditch width gradual change formula shock insulation ditch, a serial communication port the shock insulation ditch includes the ditch body and follows the round diaphragm wall that the internal face of ditch set up, the width of the ditch body is the inverse relation with the distance apart from the focus, at least one row of shock insulation stub has been laid to ditch body bottom. The utility model has the advantages that: the two shock insulation modes of the shock insulation ditch and the shock insulation short pile are combined into a whole, the depth of the excavation of the shock insulation ditch can be reduced while the shock insulation effect is effectively enhanced, meanwhile, the width of the ditch body is gradually reduced from the center to two sides along the length direction of the ditch, and the engineering excavation amount is effectively reduced.
Description
Technical Field
The utility model relates to a ground construction field of taking precautions against earthquakes, concretely relates to ditch width gradual change formula shock insulation ditch.
Background
When dynamic compaction construction is carried out, huge energy is generated, a part of energy is converted into stress waves, and the stress waves are mainly converted into seismic waves. Seismic waves are transmitted to the periphery from the tamping points to cause vibration of the ground, and the vibration can cause uneven settlement of the peripheral soil body, so that the peripheral environment, residents, buildings, underground pipelines and the like of a construction site are damaged to different degrees, and the normal life of the peripheral residents is seriously influenced.
In order to reduce the adverse effect of vibration generated by dynamic compaction on the surrounding environment and residents, a shock insulation ditch with a certain depth and a certain width is generally arranged between a construction site and a target to be protected at the periphery. The conventional method in engineering is to directly dig ditches and fill sand or only dig ditches and do not fill the ditches, and the shock insulation ditches have the following defects: firstly, the depth of the shock insulation groove is constant along the length direction, the strength of the shock strength is in positive correlation with the distance from the seismic source, and the position far away from the seismic source does not need the same depth as the position close to the seismic source for excavation, so that the constant depth of the groove causes the increase of unnecessary engineering quantity and the waste of building materials; secondly, the shock insulation ditch is not provided with any internal supporting system, once the depth of the shock insulation ditch is too deep, soil bodies on two sides of the shock insulation ditch can collapse during excavation, and if the depth of the shock insulation ditch is not enough, an effective shock insulation effect cannot be achieved; thirdly, water is easily accumulated in the vibration isolation groove, longitudinal waves generated by vibration can be transmitted through liquid, and the accumulated water in the groove can weaken or even lose the vibration isolation effect of the vibration isolation groove; and fourthly, seismic waves can also be transmitted to the surroundings through underground water, and the vibration isolation ditch in the prior art cannot isolate the vibration.
disclosure of Invention
the utility model aims at providing a wide gradual change formula shock insulation ditch of ditch according to the weak point of above-mentioned prior art, the internal face of ditch body of this shock insulation ditch is provided with the round diaphragm wall, and the width of the ditch body is the change form in the ditch is rectangular, and has laid the shock insulation stub at the bottom of the ditch, has strengthened the shock insulation effect when reducing the excavation volume of shock insulation ditch.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
The utility model provides a ditch width gradual change formula shock insulation ditch, its characterized in that shock insulation ditch includes the ditch body and follows the round continuous wall that the internal face of ditch set up, the width of the ditch body is with the distance from the seismic source and be the inverse relation, at least one row of shock insulation stub has been laid to ditch body bottom.
The length of the shock insulation short pile penetrating into the soil body is in inverse proportion to the distance from the seismic source.
And the wall surface of one side of the continuous wall, which is close to the seismic source, is of an uneven shock absorption structure.
The shock-absorbing structure is a honeycomb structure or a grid structure.
The top and the middle part of the continuous wall are provided with a plurality of top inner supports and middle inner supports at intervals along the length direction of the ditch body, and the two ends of the top inner supports and the two ends of the middle inner supports are respectively connected to the continuous wall.
The top inner support and the middle inner support are in concave-convex fit with the continuous wall, namely, a groove is correspondingly formed in the joint of the continuous wall and the top inner support and the middle inner support, and a damping cushion pad is arranged in the groove.
The bottom depth of the continuous wall is at least 1m greater than the trench bottom depth of the trench body.
the ditch is internally provided with a drain pipe, the bottom end of the drain pipe penetrates into the soil body at the bottom of the ditch, and the top of the drain pipe extends out of the ground.
Slag is filled in the trench body.
The utility model has the advantages that: combine two kinds of shock insulation modes with shock insulation ditch and shock insulation stub as an organic whole, still can reduce the degree of depth that the shock insulation ditch excavated when effectively strengthening the shock insulation effect, the width of the ditch body reduces the reduction to both sides along the ditch length direction from the center gradually simultaneously, has effectively reduced the engineering volume of digging, still fills with the slay in the shock insulation ditch and utilizes the groundwater around the evacuation pipe, has further strengthened the shock insulation effect.
Drawings
FIG. 1 is a schematic top view of a shock insulation trench of the present invention with a gradually changing trench width;
FIG. 2 is a schematic view of the A-A section structure of the shock insulation trench of the present invention;
FIG. 3 is a schematic view of the B-B section structure of the shock insulation trench of the present invention; .
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example with reference to the accompanying drawings, for the understanding of those skilled in the art:
Referring to fig. 1-3, the labels 1-10 in the figures are: the seismic isolation system comprises a seismic source 1, a seismic isolation protection target 2, a continuous wall 3, a top inner support 4, a groove 5, a vibration reduction cushion pad 6, a seismic isolation short pile 7, a middle inner support 8, slag 9 and a drainage pipe 10.
Example (b): as shown in fig. 1-3, the embodiment specifically relates to a groove width gradually-changing type shock insulation groove, which comprises a groove body and a circle of continuous wall 3 arranged along the inner wall surface of the groove body, wherein the top and the middle of the continuous wall 3 are respectively provided with a top inner support 4 and a middle inner support 8 for reinforcing the structural strength of the shock insulation groove, and a row of short piles 7 are arranged at the bottom of the groove body for further enhancing the shock insulation effect and effectively reducing the engineering excavation amount.
As shown in fig. 1-3, the groove body of the seismic isolation groove is arranged on the vertical central line of the connecting line of the seismic source 1 and the seismic isolation protection target 2, the depth of the groove body is at least more than twice of the depth of the seismic isolation protection target 2, the width of the groove body is in a change state along the length direction of the groove body, and the change rule is as follows: the width of the groove body is in inverse proportion to the distance of the seismic source 1, and specifically, the closer the distance between the groove body and the seismic source 1 is, the wider the width of the groove body is; the further the distance between the seismic source 1 and the trench body, the narrower the width of the trench body. The change of the width of the shock insulation ditch body reduces unnecessary engineering quantity in the process of digging the shock insulation ditch without influencing the original shock insulation effect, and reduces the construction cost.
as shown in fig. 1-3, a circle of continuous wall 3 is further arranged on the inner wall surface of the groove body of the seismic isolation groove, four rows of continuous walls 3 are provided, two rows are arc-shaped along the length direction of the groove body, the other two rows are along the width direction of the groove body, the bottom depth of the continuous wall 3 is deeper than the groove bottom depth of the groove body by more than 1m, surrounding soil is blocked, collapse of the groove body caused by shock waves in the underground propagation process is avoided, and meanwhile, the seismic isolation effect is ensured to be influenced because underground water in the depth range of the groove body cannot directly permeate into the groove from two sides of the groove body. It should be pointed out that because the width of the ditch body is the change form along the length direction of the ditch body for two rows of continuous walls 3 that set up along ditch body length direction demonstrate circular-arcly, make continuous wall 3's firm performance better, consequently the degree of depth of shock insulation ditch can increase by a wide margin as required, thereby makes the shock insulation ditch have better shock insulation effect.
As shown in fig. 1-3, the top and the middle of the continuous wall 3 are respectively provided with a plurality of top inner supports 4 and middle inner supports 8, the top inner supports 4 and the middle inner supports 8 are distributed at intervals of 4-6m along the length direction of the trench body, both ends of the continuous wall 3, the top inner supports 4 and the middle inner supports 8 are in concave-convex fit, specifically, a groove 5 is formed in the continuous wall 3, the shape of the groove 5 is matched with the shapes of the top inner supports 4 and the middle inner supports 8, so that the structural stability of the continuous wall 3 is strengthened, a damping cushion pad 6 is further arranged in the groove 5, the rigid connection is changed into elastic connection, the effect of buffering and stress releasing can be achieved, and the transmission and diffusion of vibration waves are blocked. The wall surface of the side, closest to the seismic source 1, of the continuous wall 3 is also provided with an uneven shock absorption structure, the shock absorption structure can be a honeycomb structure or a grid structure or other uneven structures with a shock absorption effect, and when shock waves of the seismic source 1 are transmitted to the side wall surface, partial energy is absorbed by the shock absorption structure on the side wall surface and is weakened, so that a certain shock absorption effect is achieved.
as shown in fig. 2 and 3, a row of short shock-insulation piles 7 are further arranged at the bottom of the groove body of the shock-insulation groove, and the number of the short shock-insulation piles 7 can be selected according to shock insulation requirements, for example, the short shock-insulation piles 7 are arranged in a quincuncial pile shape, and the diameter of each short shock-insulation pile 7 is larger than the interval between the piles, so that a better shock insulation effect is achieved; separate shock insulation stub 7 and arrange along the length direction interval of the ditch body, its length of penetrating into the soil body part is the change state along the length direction of the ditch body, and the change law does: the length of the part, penetrating into the soil body, of the shock insulation short pile 7 is inversely proportional to the distance of the seismic source 1, and specifically, the closer the distance between the shock insulation short pile 7 and the seismic source 1 is, the longer the length of the part, penetrating into the soil body, of the shock insulation short pile 7 is; the longer the distance between the seismic isolation stub 7 and the seismic source 1 is, the shorter the length of the part of the seismic isolation stub 7 penetrating into the soil body is. Because the shock insulation stub 7 is laid at the bottom of the groove of shock insulation ditch, consequently the length of shock insulation stub 7 can be more than general shock insulation stake weak point, can reduce building material and construction volume, and lay shock insulation stub 7 in the shock insulation ditch, make the ditch body excavation depth of shock insulation ditch appropriately reduce again, also can reduce the excavation volume to a certain extent, and with shock insulation ditch and the organic combination of shock insulation stub 7, still can further strengthen the shock insulation effect on the shock insulation function basis of original shock insulation ditch.
As shown in fig. 2 and 3, a drain pipe 10 is further arranged in the trench body of the vibration isolation trench, one end of the drain pipe 10 penetrates into soil at the bottom of the trench body, the penetration length of the drain pipe is at least 1.5m, the other end of the drain pipe extends out of the ground and is communicated with an external pipeline, underground water in the soil around the vibration isolation trench can be discharged through the drain pipe 10, and the transmission of vibration longitudinal waves along underground liquid is weakened. The slag 9 is filled in the groove body of the shock insulation groove, gaps exist among particles of the slag 9, the slag 9 and air among the gaps have the effects of absorbing, weakening and blocking shock emitted by the seismic source 1, the shock insulation effect of the shock insulation groove can be further improved, the cost of the slag 9 is lower, the source is wide, and the engineering cost can be reduced.
The construction method of the shock insulation ditch in the embodiment comprises the following steps:
(1) Excavating a groove body of a shock insulation groove on a vertical central line of a connecting line of a seismic source 1 and a shock insulation protection target 2, and ensuring that the width of the groove body is inversely proportional to the distance from the shock insulation protection target 2, namely the groove width gradually narrows from a middle area to two ends;
(2) A row of concrete shock insulation short piles 7 are driven into the bottom of the groove body of the shock insulation groove along the length direction of the groove bottom, the length of the part, penetrating into the soil body, of the shock insulation short piles 7 is ensured to be in inverse proportion to the distance from the shock insulation protection target 2, namely the length of the part, penetrating into the soil body, of the shock insulation short piles 7 is gradually shortened from the center to two ends;
(3) Constructing a circle of continuous wall 3 along the inner wall surface of a groove body of the shock insulation groove, wherein the bottom depth of the continuous wall 3 is deeper than the bottom depth of the groove body of the shock insulation groove by more than 1 meter, an uneven shock absorption structure is arranged on the wall body at one side, closest to the seismic source 1, of the continuous wall 3, grooves 5 are arranged at the top and the middle of the continuous wall 3 along the length direction of the groove body at intervals of 4-6 meters, shock absorption cushions 6 are placed in the grooves 5, and two ends of the top inner support 4 and the middle inner support 8 extend into the grooves 5 to play a role of inner support;
(4) And inserting a drain pipe 10 into soil at the bottom of the trench body, filling slag 9 into the trench body of the seismic isolation trench, and emptying underground water around the seismic isolation trench by using a pressure relief pipe 7.
The beneficial effect of this embodiment is: two shock insulation modes of a shock insulation ditch and a shock insulation pile are organically combined into a whole, so that the shock insulation effect is effectively enhanced, and the excavation depth of the shock insulation ditch can be reduced; the width of the groove body of the shock insulation groove is changed along the length direction, so that the engineering excavation amount is reduced; the inner supports are arranged on the continuous wall, so that the strength and the safety of the shock insulation ditch are ensured; and a pressure relief pipe is arranged to evacuate underground water around the shock insulation ditch, so that the shock insulation effect of the shock insulation ditch is enhanced.
Claims (9)
1. The utility model provides a ditch width gradual change formula shock insulation ditch, its characterized in that shock insulation ditch includes the ditch body and follows the round continuous wall that the internal face of ditch set up, the width of the ditch body is with the distance from the seismic source and be the inverse relation, at least one row of shock insulation stub has been laid to ditch body bottom.
2. The groove-width-gradually-varied seismic isolation groove as claimed in claim 1, wherein the length of the seismic isolation stub penetrating into the soil body is in inverse proportion to the distance from the seismic source.
3. The groove-width-gradually-changing seismic isolation groove as claimed in claim 1, wherein a wall surface of the diaphragm wall on a side close to the seismic source is of an uneven shock absorption structure.
4. a gradually varying-channel-width-type seismic isolation channel as claimed in claim 3, wherein said shock-absorbing structure is a honeycomb structure or a lattice structure.
5. the groove-width-gradually-changing type seismic isolation groove as claimed in claim 1, wherein a plurality of top inner supports and middle inner supports are arranged at intervals along the length direction of the groove body at the top and the middle of the continuous wall, and two ends of each of the top inner supports and the middle inner supports are respectively connected to the continuous wall.
6. The groove-width-gradually-changing type shock insulation groove as claimed in claim 5, wherein the top inner support and the middle inner support are in concave-convex fit with the continuous wall, namely, a groove is correspondingly formed at the joint of the continuous wall and the top inner support and the middle inner support, and a shock absorption cushion pad is arranged in the groove.
7. the groove-width-gradually-varied-type seismic isolation groove as claimed in claim 1, wherein the bottom depth of said continuous wall is at least 1m greater than the groove bottom depth of said groove body.
8. The groove-width-gradually-changing type seismic isolation groove as claimed in claim 1, wherein a drain pipe is arranged in the groove body, the bottom end of the drain pipe penetrates into a soil body at the bottom of the groove body, and the top of the drain pipe extends out of the ground.
9. The groove-width-gradually-changing type seismic isolation groove as claimed in claim 1, wherein slag is filled in the groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052001.9U CN209798846U (en) | 2019-01-14 | 2019-01-14 | Shock insulation ditch with gradually-changed ditch width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052001.9U CN209798846U (en) | 2019-01-14 | 2019-01-14 | Shock insulation ditch with gradually-changed ditch width |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209798846U true CN209798846U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920052001.9U Expired - Fee Related CN209798846U (en) | 2019-01-14 | 2019-01-14 | Shock insulation ditch with gradually-changed ditch width |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209798846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537639A (en) * | 2019-01-14 | 2019-03-29 | 华东交通大学 | Furrow width gradual change type shock insulation ditch |
| CN111042211A (en) * | 2019-12-25 | 2020-04-21 | 东南大学 | Vibration isolation ditch with viscoelastic vibration isolation and absorption device and vibration isolation method thereof |
-
2019
- 2019-01-14 CN CN201920052001.9U patent/CN209798846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537639A (en) * | 2019-01-14 | 2019-03-29 | 华东交通大学 | Furrow width gradual change type shock insulation ditch |
| CN111042211A (en) * | 2019-12-25 | 2020-04-21 | 东南大学 | Vibration isolation ditch with viscoelastic vibration isolation and absorption device and vibration isolation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |