CN212582753U - Assembled vibration isolation trench with wave block - Google Patents
Assembled vibration isolation trench with wave block Download PDFInfo
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- CN212582753U CN212582753U CN202020687348.3U CN202020687348U CN212582753U CN 212582753 U CN212582753 U CN 212582753U CN 202020687348 U CN202020687348 U CN 202020687348U CN 212582753 U CN212582753 U CN 212582753U
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Abstract
The utility model discloses a take assembled vibration isolation ditch of ripples chunk belongs to building vibration isolation field. The vibration isolation ditch comprises a plurality of vibration isolation unit, the vibration isolation unit is regular hexagonal prism structure, the vibration isolation unit includes regular hexagon reinforced concrete section of thick bamboo, a plurality of circular ripples piece, bottom plate, apron, and a regular hexagon reinforced concrete section of thick bamboo passes through the regular hexagon groove connection of bottom plate with the bottom plate, and the ripples hinders the circular groove connection that the piece passes through the bottom plate with the bottom plate, and the apron adds the lid for regular hexagonal prism cavity, and the ripples hinders the piece and passes through the groove connection of apron with the apron, circular groove, ripples piece, recess quantity homogeneous phase are the same, and circular groove and groove position one-to-one, the ripples piece is regular polygon and arranges. The utility model discloses mainly build between the place of building and vibration source, can play the effect that reduces building or road construction, traffic vibration etc. and arouse the building structure vibration, the utility model discloses the vibration isolation effect is obvious, have obvious guard action to the building, construction convenience, construction speed are fast, the transportation is convenient.
Description
Technical Field
The utility model relates to a take assembled vibration isolation ditch of ripples chunk belongs to building vibration isolation field.
Background
Along with the continuous development and progress of human society, the problems caused by vibration are more and more extensive, the quantity of the vibration generated in production and living of people is increased all the time, the life of people is not influenced, and a plurality of ancient buildings with extremely high cultural historical value and great humanistic significance in China are threatened. Particularly, vibration caused by building or road construction and traffic vibration is vibration which is propagated from a vibration source to four places, and is elastic wave radiated to the periphery from the vibration source. The wave propagation method can be divided into three types, namely longitudinal waves (P waves), transverse waves (S waves) (both the longitudinal waves and the transverse waves belong to body waves) and surface waves (L waves).
The damage of the vibration to the building is found in the following three points: the transverse wave causes the horizontal swing of the building, which causes the damage of the building and has great destructive power. The method is equivalent to applying repeated action force in the horizontal direction to a house building, and when the magnitude and the caused deformation exceed the limit of the vibration resistance of a building beam structure, the whole building can be inclined or toppled to cause damage; the longitudinal wave makes the building produce jolt from top to bottom, because some buildings are long in the past, its vertical stability is relatively poor, when the vibration is great, can make the bottom increase very big dynamic load as load-carrying members' post in the twinkling of an eye, the dead weight on stack upper portion, when surpassing bottom post bearing capacity, thereby the bottom post can collapse and lead to destroying. 3. The buildings are affected by foundation soil disturbance generated by surrounding vibration sources and low-frequency and micro-vibration actions for a long time, and the buildings can generate permanent and irreversible fatigue damage, so that the safety of the buildings is obviously reduced, and various diseases occur.
The vibration isolation measure of the vibration isolation trench is that a vibration isolation barrier is arranged on a propagation path of vibration waves to damage the propagation path of the vibration waves, so that the loss of the energy of the vibration waves is caused, and the purpose of reducing or even eliminating the influence of the vibration waves on a protected building is achieved.
Current barrier vibration isolation is largely divided into two broad categories, namely continuous vibration isolation barriers and discontinuous barriers. The continuous vibration isolation barrier is typically represented by a vibration isolation trench, when an artificial vibration source with higher vibration frequency and earthquake vibration are performed, the properly designed vibration isolation trench can play a good vibration isolation effect, but part of vibration sources with lower vibration frequency have generally longer wavelength, if the hollow trench is selected as the vibration isolation barrier, the hollow trench is required to have great depth, the requirement has great operation difficulty in actual construction, if a continuous wall is selected as the vibration isolation barrier, a very large engineering quantity can be generated, the construction cost is greatly improved, and particularly, when the geological conditions of a construction site are very poor, the construction difficulty and the construction cost can be greatly improved. In the nineties of the last century, Schmidt, a Schmidt, has proposed a mode of vibration isolation by using wave resistance blocks, and Takemiya, a japanese Schmidt, has made a significant improvement on vibration isolation of wave resistance blocks, and has proposed pile type wave resistance block vibration isolation, the principle of which is to make incident waves continuously reflected, refracted and diffracted among wave resistance blocks, so as to achieve the purpose of consuming the energy of vibration waves.
Therefore, the method has important economic significance for discussing how to reduce the influence of the surrounding vibration on the building by constructing the vibration isolation trench with the wave resistance block.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists, the utility model provides a take assembled vibration isolation ditch of ripples chunk mainly is obvious, simple structure, safe and reliable, the convenient and construction convenience's of transportation vibration isolation ditch in order to develop a vibration isolation effect, can effectually reduce the influence of vibrations around to the building.
The utility model adopts the technical scheme as follows:
an assembled vibration isolation trench with wave blocks is characterized in that the vibration isolation trench is composed of a plurality of vibration isolation units, each vibration isolation unit is of a regular hexagonal prism structure and comprises a regular hexagonal reinforced concrete cylinder (1), a plurality of circular wave blocks (2), a bottom plate (3) and a cover plate (4), the regular hexagonal reinforced concrete cylinder (1) is connected with the bottom plate (3) through a regular hexagonal groove (3-1) of the bottom plate, the wave blocks (2) are connected with the bottom plate (3) through circular grooves (3-2) of the bottom plate, the cover plate (4) is a regular hexagonal prism cavity (5) covered with a cover, the wave blocks (2) are connected with the cover plate (4) through grooves (4-1) of the cover plate, the circular grooves (3-2), the wave blocks (2) and the grooves (4-1) are identical in number, and the circular grooves (3-2) correspond to the grooves (4-1) one by one, the wave-shaped blocks (3) are arranged in a regular polygon shape.
Furthermore, the regular hexagonal reinforced concrete cylinder (1) is a prefabricated reinforced concrete member and is in the shape of a regular hexagonal cylinder, edges of the regular hexagonal reinforced concrete cylinder (1) face the long side direction of the vibration isolation trench, the wall thickness is 100mm, the height is 2-3m, and the side length is 0.5-0.8 m.
Furthermore, the bottom plate (3) is a prefabricated reinforced concrete plate with a groove, the thickness of the prefabricated reinforced concrete plate is 100mm, the prefabricated reinforced concrete plate is square, a regular hexagonal groove (3-1) and a circular groove (3-2) are arranged on the bottom plate (3), the vertex direction of the regular hexagonal groove (3-1) faces the long side direction of the vibration isolation ditch when the bottom plate is laid, the regular hexagonal groove (3-1) can be embedded into a regular hexagonal reinforced concrete cylinder (1), the width of the regular hexagonal groove (3-1) is slightly larger than the wall thickness of the regular hexagonal reinforced concrete cylinder (1), the depth of the regular hexagonal groove is one third of the thickness of the bottom plate (3), a gap left after the regular hexagonal reinforced concrete cylinder (1) is embedded into the regular hexagonal groove (3-1) is filled with mortar, the diameter of the circular groove (3-2) is slightly larger than the outer diameter of the wave, the depth of the groove is one third of the thickness of the bottom plate (3), the circular grooves (3-2) are arranged according to the vertex positions of the regular polygons, the centers of the regular polygons are superposed with the centers of the regular hexagonal grooves (3-1), and the distance between the circular grooves (3-2) is half of the side length of the regular hexagonal grooves (3-1).
Furthermore, the cover plate (4) is a prefabricated reinforced concrete plate, the shape of the cover plate is a regular hexagon, the size of the cover plate is the same as the outer contour of the regular hexagon reinforced concrete cylinder (1), a bulge is arranged in the cover plate (4), the shape and size of the bulge are the same as the inner contour of the regular hexagon reinforced concrete cylinder (1), the bulge is partially embedded into the regular hexagon reinforced concrete cylinder (1), the regular hexagon reinforced concrete cylinder (1) is just lapped at the outer edge of the bulge, the thickness of the whole cover plate (4) is 100mm, the thickness of the outer edge part of the bulge is one third of the thickness of the cover plate (4), a plurality of grooves (4-1) for embedding the wave blocks (2) are arranged at the inner bulge of the cover plate (4), the grooves (4-1) are circular, the diameter is slightly larger than the outer diameter of the wave blocks (2), and the depth is one third of the thickness of the cover, the grooves (4-1) are arranged according to the vertex position of the regular polygon, the center of the regular polygon is superposed with the center of the cover plate (4) of the regular hexagon, and the distance between the grooves (4-1) is half of the side length of the cover plate (4).
Furthermore, the wave block (2) is a PVC hard pipe, the outer diameter is 200-300mm, the thickness is 10-20mm, the height is the same as that of the regular hexagonal reinforced concrete cylinder (1), three wave blocks (2) are arranged in each vibration isolation unit, the bottom of each wave block (2) is embedded into a circular groove (3-2) of the bottom plate, the top of each wave block is embedded into a groove (4-1) of the cover plate (4), and the three wave blocks (2) are arranged according to three vertex positions of an equilateral triangle.
The utility model has the advantages as follows:
1. the utility model discloses a vibration isolation effect is exerted to the mode of the joint vibration isolation of section of thick bamboo wall, cavity and the ripples resistance piece of regular hexagon reinforced concrete section of thick bamboo, and the vibration isolation effect is obvious.
2. The utility model discloses a complete prefabricated component, construction convenience, construction speed are fast, the transportation is convenient.
3. The utility model discloses a vibration isolation unit arranges in a flexible way, can the separation come from the vibration influence of a plurality of directions, for example the building receives the vibration influence of two directions in the west and south, can with the utility model discloses arrange into "L" font, if the building comes from the vibration influence of all sides in four sides, can with the utility model discloses arrange into "mouthful" font.
The utility model discloses mainly build between the place of building and vibration source, can play the effect that reduces building or road construction, traffic vibration etc. and arouse the building structure vibration, the utility model discloses the vibration isolation effect is obvious, have obvious guard action to the building, construction convenience, construction speed are fast, the transportation is convenient.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is a perspective view of the vibration isolation unit of the present invention;
FIG. 3 is a floor plan of an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a plan view of another embodiment of the present invention.
In the figure: 1, a regular hexagon reinforced concrete cylinder; 2, wave block; 3, a bottom plate; 4, a cover plate; 5, a regular hexagonal prism cavity; 6, backfilling; 7, digging out soil; 8, field original soil; 9, trench boundary; 3-1, a regular hexagon groove; 3-2, circular grooves; 4-1, groove.
Detailed Description
The materials, methods and apparatus used in the following examples, which are not specifically illustrated, are conventional in the art and are commercially available to those of ordinary skill in the art.
In the following description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, or the connection may be internal to both components. To those of ordinary skill in the art, the specific meaning of the written terms in the present invention can be understood as a specific case.
In addition, in the following description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.
The present invention will be described in further detail with reference to the accompanying drawings, but the following detailed description is not to be construed as limiting the present invention.
As shown in fig. 1-6, the vibration isolation trench comprises a plurality of vibration isolation unit, the vibration isolation unit is regular hexagonal prism structure, the vibration isolation unit includes regular hexagonal reinforced concrete section of thick bamboo 1, three circular ripples piece 2, bottom plate 3, apron 4, and regular hexagonal reinforced concrete section of thick bamboo 1 is connected through the regular hexagon recess 3-1 of bottom plate with bottom plate 3, and ripples piece 2 is connected through the circular recess 3-2 of bottom plate with bottom plate 3, and apron 4 is regular hexagonal prism cavity 5 and covers, and ripples piece 2 is connected through the recess 4-1 of apron with apron 4, circular recess 3-2, ripples piece 2, recess 4-1 quantity are all the same, and circular recess 3-2 and recess 4-1 position one-to-one, ripples piece 3 is regular polygon and arranges.
The regular hexagonal reinforced concrete cylinder 1 is a prefabricated reinforced concrete member and is in a regular hexagonal cylinder shape, edges of the regular hexagonal reinforced concrete cylinder 1 face the long edge direction of the vibration isolation trench, the wall thickness is 100mm, the height is 2-3m, and the side length is 0.5-0.8 m.
The bottom plate 3 is a prefabricated reinforced concrete plate with a groove, the thickness of the prefabricated reinforced concrete plate is 100mm, the prefabricated reinforced concrete plate is square, the bottom plate 3 is provided with a regular hexagonal groove 3-1 and a circular groove 3-2, the vertex direction of the regular hexagonal groove 3-1 faces the long side direction of the vibration isolation trench when the bottom plate is laid, the regular hexagonal groove 3-1 can be embedded into a regular hexagonal reinforced concrete cylinder 1, the width of the regular hexagonal groove 3-1 is slightly larger than the wall thickness of the regular hexagonal reinforced concrete cylinder 1, the depth of the regular hexagonal groove 3-1 is one third of the thickness of the bottom plate 3, a gap left after the regular hexagonal reinforced concrete cylinder 1 is embedded into the regular hexagonal groove 3-1 is filled with mortar, the diameter of the circular groove 3-2 is slightly larger than the outer diameter of the wave-shaped block 2, the depth of the circular groove 3-, the center of the regular polygon is superposed with the center of the regular hexagonal groove 3-1, and the distance between the circular grooves 3-2 is half of the side length of the regular hexagonal groove 3-1.
The cover plate 4 is a prefabricated reinforced concrete plate, the shape of the cover plate is a regular hexagon, the size of the prefabricated reinforced concrete plate is the same as the outer contour of the regular hexagon reinforced concrete cylinder 1, a bulge is arranged in the cover plate 4, the size of the bulge is the same as the inner contour of the regular hexagon reinforced concrete cylinder 1, the bulge is partially embedded into the regular hexagon reinforced concrete cylinder 1, the regular hexagon reinforced concrete cylinder 1 is just lapped at the outer edge of the bulge, the thickness of the whole cover plate 4 is 100mm, the thickness of the outer edge part of the bulge is one third of the thickness of the cover plate 4, a plurality of grooves 4-1 for embedding the wave modules 2 are arranged at the bulge in the cover plate 4, the grooves 4-1 are round, the diameter is slightly larger than the outer diameter of the wave modules 2, the depth is one third of the thickness of the cover plate 4, the grooves 4-1 are arranged according to the vertex position of the, the distance between the grooves 4-1 is half of the side length of the cover plate 4.
The wave block 2 is a PVC hard pipe, the outer diameter is 200-300mm, the thickness is 10-20mm, the height is the same as that of the regular hexagonal reinforced concrete cylinder 1, three wave blocks 2 are arranged in each vibration isolation unit, the bottom of each wave block 2 is embedded into a circular groove 3-2 of the bottom plate, the top of each wave block 2 is embedded into a groove 4-1 of the cover plate 4, and the three wave blocks 2 are arranged according to three vertex positions of an equilateral triangle.
When construction is carried out, the position of the vibration isolation trench is selected firstly, the vibration isolation trench is arranged on a foundation between a building and a main seismic source and should be close to one side of the building as much as possible, if the main seismic source is located in the west and the south of the building, the vibration isolation trench should be built in the west and the south of the building and connected into an L shape, the length of the vibration isolation trench is determined by the distance between the seismic source and the building, and the closer the seismic source is to the building, the longer the length of the vibration isolation trench is arranged. If vibration sources from all directions are arranged around the building, the utility model can be arranged into a square shape, so that the building is protected.
After the position of the vibration isolation groove is selected, the groove is dug, and the boundary line 9 between the groove and the original soil 8 of the field is used as a boundary to form a cavity. The excavated soil 7 is stacked beside the groove and used as backfill 6, the vibration isolation ditch is excavated in a mode of excavating twice and excavating two layers, the first layer is excavated for the first time, the excavation from the ground reaches the first elevation, the depth of the first layer can be one third of the whole height of the vibration isolation ditch, certain slope relief is carried out, the second layer is excavated for the second time, the second layer is excavated at the bottom of the first layer, the width of the excavated ditch is smaller than that of the bottom of the first layer, the excavation from the first elevation reaches the second elevation, certain slope relief is carried out, the slope gradient is the same as that of the first layer, the depth of the excavated whole depth is determined by the depth of a building foundation, 2-4m can be adopted, if the building foundation is deep, the depth of the vibration isolation ditch can be increased for preventing excessive vibration waves from bypassing the vibration isolation ditch, and the width of the. The method comprises the steps of leveling the bottom of a ditch after a ditch groove is dug, then paving a bottom plate 3, inserting a regular hexagonal reinforced concrete cylinder 1 into a regular hexagonal groove 3-1 groove of the bottom plate, then inserting a wave block 2 into a circular groove 3-2 of the bottom plate, then covering a cover plate 4 on the regular hexagonal reinforced concrete cylinder 1, inserting the top end of the wave block 2 into the circular groove 3-2 of the cover plate, and backfilling soil to finish vibration isolation ditch construction.
Meet when the vibration wave the utility model discloses the time, because the bounce-back of regular hexagon reinforced concrete section of thick bamboo, the vibration energy that the transmission got into the cavity obtains the decay, and vibration wave energy transmission process in the cavity air is constantly consumed after that, and wherein high frequency vibration energy is by a large amount of dissipation, and later the vibration wave is constantly reflected refraction and diffraction between the wave drag piece, and the low frequency vibration energy of vibration wave is weakened by a wide margin at this in-process. After part of the vibration wave is transmitted through the surface of the wave block, the vibration wave entering the cavity area is transmitted in the air in a friction mode, and energy is further consumed. Then, the vibration wave is emitted again to consume part of energy when passing through the regular hexagonal reinforced concrete cylinder. Finally, the vibration wave energy that the source of shaking induced passes through around the building the utility model discloses a dissipation effect back, the building obtains very big suppression to high, the low frequency vibration response that the source of shaking induced on every side to reach the purpose of vibration isolation.
The utility model discloses a ripples hinders the piece and is the PVC pipe, and the cross-section is circular, and this makes its direction of propagation become complicated when the ripples hinders the piece for the vibration wave touch, combines the effect of regular hexagon reinforced concrete section of thick bamboo, and the vibration wave takes place reflex refraction and diffraction in the vibration isolation ditch, and vibration energy is consumed, can show improvement vibration isolation effect.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a take assembled vibration isolation ditch of ripples piece which characterized in that: the vibration isolation ditch is composed of a plurality of vibration isolation units, each vibration isolation unit is of a regular hexagonal prism structure and comprises a regular hexagonal reinforced concrete cylinder (1), a plurality of circular wave blocks (2), a bottom plate (3) and a cover plate (4), the regular hexagonal reinforced concrete cylinder (1) is connected with the bottom plate (3) through a regular hexagonal groove (3-1) of the bottom plate, the wave blocks (2) are connected with the bottom plate (3) through circular grooves (3-2) of the bottom plate, the cover plate (4) is covered by a regular hexagonal prism cavity (5), the wave blocks (2) are connected with the cover plate (4) through grooves (4-1) of the cover plate, the number of the circular grooves (3-2), the number of the wave blocks (2) and the number of the grooves (4-1) are the same, and the positions of the circular grooves (3-2) and the positions of the grooves (4-1) are in one-to-one correspondence.
2. The assembled vibration isolation trench with a waveguide block according to claim 1, wherein: the regular hexagonal reinforced concrete cylinder (1) is a prefabricated reinforced concrete member and is in a regular hexagonal cylinder shape, edges of the regular hexagonal reinforced concrete cylinder (1) face the long side direction of the vibration isolation trench, the wall thickness is 100mm, the height is 2-3m, and the side length is 0.5-0.8 m.
3. The assembled vibration isolation trench with a waveguide block according to claim 1, wherein: the base plate (3) is a prefabricated reinforced concrete plate with grooves, the thickness of the prefabricated reinforced concrete plate is 100mm, the prefabricated reinforced concrete plate is square, the base plate (3) is provided with a regular hexagonal groove (3-1) and a circular groove (3-2), the vertex direction of the regular hexagonal groove (3-1) faces the long side direction of the vibration isolation trench when the base plate is laid, the regular hexagonal groove (3-1) can be embedded into a regular hexagonal reinforced concrete cylinder (1), the width of the regular hexagonal groove (3-1) is slightly larger than the wall thickness of the regular hexagonal reinforced concrete cylinder (1), the depth of the regular hexagonal groove is one third of the thickness of the base plate (3), a gap reserved after the regular hexagonal reinforced concrete cylinder (1) is embedded into the regular hexagonal groove (3-1) is filled with mortar, the diameter of the circular groove (3-2) is slightly larger than the outer diameter of the wave-shaped block (2), and the depth of, the circular grooves (3-2) are arranged according to the vertex positions of the regular polygon, the center of the regular polygon is superposed with the center of the regular hexagonal groove (3-1), and the distance between the circular grooves (3-2) is half of the side length of the regular hexagonal groove (3-1).
4. The assembled vibration isolation trench with a waveguide block according to claim 1, wherein: the cover plate (4) is a prefabricated reinforced concrete plate, the shape of the cover plate is a regular hexagon, the size of the cover plate is the same as the outer contour of the regular hexagon reinforced concrete cylinder (1), a bulge is arranged in the cover plate (4), the shape and size of the bulge are the same as the inner contour of the regular hexagon reinforced concrete cylinder (1), the bulge is partially embedded into the regular hexagon reinforced concrete cylinder (1), the regular hexagon reinforced concrete cylinder (1) is just lapped at the outer edge of the bulge, the thickness of the whole cover plate (4) is 100mm, the thickness of the outer edge part of the bulge is one third of the thickness of the cover plate (4), a plurality of grooves (4-1) for embedding the wave block (2) are arranged at the bulge in the cover plate (4), the grooves (4-1) are circular, the diameter of each groove is slightly larger than the outer diameter of the wave block (2), the depth of each groove is one third of the thickness of the cover plate (4), and the grooves (, the center of the regular polygon is superposed with the center of the cover plate (4) of the regular hexagon, and the distance between the grooves (4-1) is half of the side length of the cover plate (4).
5. The assembled vibration isolation trench for a belt module according to any one of claims 1 to 4, wherein: the wave block (2) is a PVC (polyvinyl chloride) hard pipe, the outer diameter of the wave block is 200-300mm, the thickness of the wave block is 10-20mm, the height of the wave block is the same as that of the regular hexagonal reinforced concrete cylinder (1), three wave blocks (2) are arranged in each vibration isolation unit, the bottom of each wave block (2) is embedded into a circular groove (3-2) of the bottom plate, the top of each wave block is embedded into a groove (4-1) of the cover plate (4), and the three wave blocks (2) are arranged according to three vertex positions of an equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687348.3U CN212582753U (en) | 2020-04-29 | 2020-04-29 | Assembled vibration isolation trench with wave block |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687348.3U CN212582753U (en) | 2020-04-29 | 2020-04-29 | Assembled vibration isolation trench with wave block |
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| CN212582753U true CN212582753U (en) | 2021-02-23 |
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| CN202020687348.3U Expired - Fee Related CN212582753U (en) | 2020-04-29 | 2020-04-29 | Assembled vibration isolation trench with wave block |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379280A (en) * | 2020-04-29 | 2020-07-07 | 沈阳促晋科技有限公司 | Assembled vibration isolation trench with wave block |
| CN114197958A (en) * | 2021-12-10 | 2022-03-18 | 同济大学 | Inverted trapezoidal pile vibration isolation barrier and construction method thereof |
-
2020
- 2020-04-29 CN CN202020687348.3U patent/CN212582753U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379280A (en) * | 2020-04-29 | 2020-07-07 | 沈阳促晋科技有限公司 | Assembled vibration isolation trench with wave block |
| CN114197958A (en) * | 2021-12-10 | 2022-03-18 | 同济大学 | Inverted trapezoidal pile vibration isolation barrier and construction method thereof |
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Granted publication date: 20210223 |