CN110468868A - A kind of the earthquake isolation structure and method of large-scale experiment equipment - Google Patents
A kind of the earthquake isolation structure and method of large-scale experiment equipment Download PDFInfo
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- CN110468868A CN110468868A CN201910739795.0A CN201910739795A CN110468868A CN 110468868 A CN110468868 A CN 110468868A CN 201910739795 A CN201910739795 A CN 201910739795A CN 110468868 A CN110468868 A CN 110468868A
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- 238000011173 large scale experimental method Methods 0.000 title claims abstract description 31
- 238000002955 isolation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 238000000638 solvent extraction Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 16
- 239000011083 cement mortar Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 4
- 235000009120 camo Nutrition 0.000 claims description 4
- 235000005607 chanvre indien Nutrition 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011487 hemp Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004154 testing of material Methods 0.000 description 2
- 241000409898 Empodisma minus Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/34—Foundations for sinking or earthquake territories
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a kind of earthquake isolation structure of large-scale experiment equipment and methods, the structure includes the installation pond on floor, the bottom of pond in installation pond is laid with the mattress layer that useful middle sand compacting backfill is formed, the concrete raft plate having for installing fixed large-scale experiment equipment is compressed on mattress layer, partitioning slot is equipped between the side wall of concrete raft plate and the pool wall for installing pond, the Z-shaped steel plate of connection raft plate and pool wall is equipped in partitioning slot, it is folded with insulation board between Z-shaped steel plate and pool wall, is folded with elastomeric layer between Z-shaped steel plate and raft plate side wall.Advantage, which is that raft plate quality is larger, can be absorbed a part of shock wave when equipment operation, then transmit vibrations to mattress layer by raft plate, and the mattress layer that middle sand is constituted is soft, and can dissipate most of shock energy.The uniform power transmission of entire raft plate, avoids local inhomogeneous deformation, the verticality of equipment is good；Raft plate and main structure disengage, and avoid and cause to damage to main structure, safety is good.
Description
Technical field
The invention belongs to architectural vibration-insulation field of shock absorption, and in particular to a kind of earthquake isolation structure of large-scale experiment equipment and side
Method.
Background technique
Material Testing Machine is typically mounted on the basis of ground, and the impact be self-possessed and generated when testing directly is held by basis
By impact force is transmitted to soil layer by basis, can spread rapidly, decay.However, since place limits, it is sometimes desirable to will test
Machine is moved upwardly to upper layer (on i.e. minus two layers of top plate, usual namely car park areas) or more high-storey by original ground and is carried out
Installation, basement are multi-layer underground parking lot.Testing machine to be installed in negative one layer, at least face two problems: first is that cannot increase
Frame column is added to influence parking position arrangement；First is that the regular vibration generated when test will cause the structural elements damage in building
Bad, influence safety, while also it can be directly delivered to top main building by the beam slab in building, degree of comfort decreased is caused, personnel are caused
It is panic.
Summary of the invention
The present invention provides the earthquake isolation structure and method of a kind of large-scale experiment equipment, it is intended to overcome the prior art medium-and-large-sized
Material Testing Machine when migrating from ground to floor top when installing because of test the regular vibration that generates will cause building structure
Component damage, influence safety, vibration are transferred to the problems such as top main building causes degree of comfort decreased and personnel panic.
The technical scheme to solve the above technical problems is that a kind of earthquake isolation structure of large-scale experiment equipment,
It includes the installation pond on floor, and surrounding's pool wall in the installation pond is the knot of the main structures such as concrete walls, beam or column
Structure component, the bottom of pond in the installation pond are laid with the mattress layer that useful middle sand compacting backfill is formed, compress on the mattress layer useful
Between the concrete raft plate for installing fixed large-scale experiment equipment, the side wall of the concrete raft plate and the pool wall in the installation pond
Equipped with partitioning slot, be equipped with the Z-shaped steel plate of the connection raft plate and the pool wall in the partitioning slot, the Z-shaped steel plate with
It is folded with insulation board between the pool wall, is folded with elastomeric layer between the Z-shaped steel plate and the raft plate side wall.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the depth in the installation pond is 60-70cm, the mattress layer with a thickness of 25-35cm, the raft plate
With a thickness of 30-40cm.
Beneficial effect using above-mentioned further scheme is that raft plate is thicker, and (length and width are usual after it is with certain length and width
Not less than 1.5m), overall quality is heavier, then after installing large-scale experiment equipment thereon, the raft plate of big quality can effectively absorb one
The shock energy of part test equipment and can make vibration amplitude control in smaller range.
Further, the width of the partitioning slot is 8-12cm.
Beneficial effect using above-mentioned further scheme is, after the partitioning slot using above-mentioned width, raft plate and main building
It effectively separates, the vibration overwhelming majority of raft plate is transferred directly to lower part mattress layer, minimal amount of to pass through the Z with certain spring
The insulation board and elastomeric layer of font steel plate and two sides are transmitted to main building, and earthquake isolation effect is preferable.
Further, the Z-shaped steel plate is formed by vertical section and positioned at the horizontal segment of the vertical section upper and lower ends, described
Vertical section is located at the middle part of the partitioning slot, and horizontal segment described in upper end is solid by anchor bolt pool wall top corresponding with the installation pond
Fixed to connect, horizontal segment described in lower end is fixedly connected by anchor bolt with the bottom plate of the raft plate.
Beneficial effect using above-mentioned further scheme is the Z-shaped being made of the horizontal segment of vertical section and its upper and lower side
Steel plate, when raft plate has the vibration displacement of horizontal direction, zigzag steel plate can bend easily, will not transmit biggish power
To pool wall, namely biggish shock energy will not be transferred to main building.
Further, respective side walls elongated setting of the Z-shaped steel plate along the raft plate.
Beneficial effect using above-mentioned further scheme is to close at partitioning slot to the sand of the mattress layer of lower section,
Prevent large-scale experiment equipment from weakening shock insulation because shock effect overflows sand in mattress layer outward by partitioning slot at runtime and subtract
Shake effect or the verticality for making valve plate obliquity effects testing equipment, or enter extraneous water in mattress layer through partitioning slot and increase
Water-containing rate and influence mattress layer absorb shock energy effect.
Further, the cement mortar waterproof layer of a thickness 2-3cm is folded between the raft plate and mattress layer.
Beneficial effect using above-mentioned further scheme is that water largely penetrates down into mattress layer and shadow when preventing raft plate cast-in-place
Ring the damper effect of mattress layer.
Further, the insulation board and the pool wall in the installation pond pass through building glue sticking.
Beneficial effect using above-mentioned further scheme is that insulation board is adhered to pool wall, convenient for subsequent Z-shaped steel plate
Installation.
Further, the elastomeric layer is filled by pitch or Bituminous hemp fiber.
Beneficial effect using above-mentioned further scheme is that pitch or Bituminous hemp fiber with certain elasticity and have preferable
On the one hand waterproof effect weakens shock effect of the raft plate to pool wall, on the other hand have the effect of that preferable waterproof is penetrated into.
Further, within 0.5%, the compacting factor of the mattress layer exists the moisture content for the middle sand that the mattress layer uses
0.95 or more.
Beneficial effect using above-mentioned further scheme is that when mattress layer meets above-mentioned requirements it has been confirmed by experiments that, shock insulation subtracts
The effect of shake is best.
In addition, the present invention also provides a kind of earthquake isolation methods of large-scale experiment equipment comprising following steps:
S1. installation pond is preset on floor, the installation pond is constituted or passed through by the sunken regions of script on floor
Corresponding region newly builds the pool wall to form a circle and forms on floor；
S2. sand compacting backfill forms mattress layer in using in installation pond, pours in the upper surface middle part preparation of the mattress layer
One layer of cement mortar waterproof layer is smeared in the region for building concrete raft plate, between cement mortar waterproof layer surrounding and the pool wall in the installation pond
It separates, after cement mortar waterproof layer solidification, then adheres to one layer of heat preservation plate on the inside of the pool wall, then arranged along pool wall
One circle Z-shaped steel plate, vertical section outside, the water of Z-shaped steel plate upper end Nian Jie with the insulation board of the Z-shaped steel plate
Flat section stretches to the upper surface of the pool wall and is equipped with the anchor bolt being fixedly connected for the pool wall upper surface, the Z-shaped steel plate
The horizontal segment of lower end is preset with the anchor bolt for being fixedly connected with raft plate lower surface to be poured, in cement mortar waterproof layer
The template for pouring the raft plate is enclosed in upper setting one, and casting concrete and the curing formation raft plate, tear open in template
Removing template, then filling elastic material in the crack between the peripheral side wall of raft plate and the vertical section of Z-shaped steel plate again；
S3. finally, large-scale experiment equipment is mounted on raft plate.
Compared with prior art, the beneficial effects of the present invention are:
Testing machine is mounted on raft plate, and a part of shock wave can be absorbed since raft plate quality is larger, then passing through raft plate will
Vibration is transmitted to mattress layer, and since the material of mattress layer is relatively soft, can dissipate remaining most of shock energy.Due to entire
Transmittance process is uniformly to avoid local inhomogeneous deformation, ensure that the verticality of equipment under the coordination of raft plate, in addition
(or separating by flexible material) is disengaged with main structure, impact is avoided and main structure is caused to damage, ensure that safety；Shock insulation
The main material of damping is the middle sand of mattress layer, is conventional building material, and economic and durability is good.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the earthquake isolation structure of large-scale experiment equipment provided by the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1. floor；2. pool wall；3. mattress layer；4. raft plate；5.Z font steel plate；6. insulation board；7. elastomeric layer.
Specific embodiment
Principles and features of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solving
The present invention is released, is not intended to limit the scope of the present invention.
In the description of the present invention, if using the instruction such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outside"
The term in orientation, the orientation or positional relationship of instruction are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of earthquake isolation structure of large-scale experiment equipment comprising be set on floor 1
Installation pond, surrounding's pool wall 2 in the installation pond is the structural elements of the main structures such as concrete walls, beam or column, the installation
The bottom of pond in pond is laid with the mattress layer 3 that useful middle sand compacting backfill is formed, and compressing on the mattress layer 3 has for installing fixed large size
The concrete raft plate 4 of testing equipment is equipped with partitioning slot between the side wall of the concrete raft plate 4 and the pool wall 2 in the installation pond,
The Z-shaped steel plate 5 for connecting the raft plate 4 and the pool wall 2, the Z-shaped steel plate 5 and the pool wall are equipped in the partitioning slot
It is folded with insulation board 6 between 2, is folded with elastomeric layer 7 between the Z-shaped steel plate 5 and 4 side wall of raft plate.
It should be noted that installation pond can be made of the sinker area on floor and (be similar to toilet sinking etc.), pond is installed
Pool wall be building the main structures such as concrete walls, beam or column structural elements, installation pond can be builds shape on floor
It can be fixed by anchor bolt at pool wall when, masonry with floor.Preferably, the steel plate that Z-shaped steel plate uses with a thickness of 6-12mm thickness, steel
Property is small, and elasticity is good.
Further, it is described installation pond depth be 60-70cm, the mattress layer 3 with a thickness of 25-35cm, the raft plate 4
With a thickness of 30-40cm.
Further, the width of the partitioning slot is 8-12cm.
Further, the Z-shaped steel plate 5 is formed by vertical section and positioned at the horizontal segment of the vertical section upper and lower ends, institute
The middle part that vertical section is located at the partitioning slot is stated, horizontal segment described in upper end is pushed up by anchor bolt pool wall 2 corresponding with the installation pond
Portion is fixedly connected, and horizontal segment described in lower end is fixedly connected by anchor bolt with the bottom plate of the raft plate 4.
Further, respective side walls elongated setting of the Z-shaped steel plate 5 along the raft plate 4.
Further, the cement mortar waterproof layer of a thickness 2-3cm is folded between the raft plate 4 and mattress layer 3.
It should be noted that above-mentioned cement mortar is 1:3 cement mortar, spreading can be laid with when stating mortar on mattress layer
One layer of 0.4mm thick polyethylene film prevents from seeping water downwards；After cement mortar hardening do raft plate it is cast-in-place before can also after curing
Cement mortar waterproof layer upper surface is laid with layer of polyethylene film, to prevent from seeping water downwards when cast-in-place raft plate.
Further, the insulation board 6 and the pool wall 2 in the installation pond pass through building glue sticking.
Further, the elastomeric layer 7 is filled by pitch or Bituminous hemp fiber.
Further, the moisture content for the middle sand that the mattress layer 3 uses is within 0.5%, the compacting factor of the mattress layer 3
0.95 or more.
In addition, the present invention also provides a kind of earthquake isolation methods of large-scale experiment equipment comprising following steps:
S1. installation pond is preset on floor 1, the installation pond is constituted or led to by the sunken regions of script on floor 1
It crosses the corresponding region on floor 1 and newly builds the pool wall 2 to form a circle and form；
S2. sand compacting backfill forms mattress layer 3 in using in installation pond, prepares in the upper surface middle part of the mattress layer 3
Smear one layer of cement mortar waterproof layer, the pond of cement mortar waterproof layer surrounding and the installation pond in the region of casting concrete raft plate 4
Wall 2 is spaced apart, and after cement mortar waterproof layer solidification, then one layer of heat preservation plate 6 is adhered on the inside of the pool wall 2, then edge
One circle Z-shaped steel plate 5 of the arrangement of pool wall 2, vertical section outside, the Z-shaped Nian Jie with the insulation board 6 of the Z-shaped steel plate 5
The horizontal segment of 5 upper end of steel plate stretches to the upper surface of the pool wall 2 and is equipped with the anchor being fixedly connected for 2 upper surface of pool wall
Bolt, the horizontal segment of 5 lower end of Z-shaped steel plate are preset with the anchor for being fixedly connected with 4 lower surface of raft plate to be poured
Bolt is arranged one on cement mortar waterproof layer and encloses template for pouring the raft plate 4, casting concrete and conserves in template
It is formed by curing the raft plate 4, form removal, then again between the peripheral side wall of raft plate 4 and the vertical section of Z-shaped steel plate 5
Filling elastic material in crack；
S3. finally, large-scale experiment equipment is mounted on raft plate 4.
By the application of engineering real case, to large-scale experiment base-isolated equipment damping, the present invention provides above-mentioned new
Earthquake isolation structure and method: in the case where the column net for unchanged descending parking lot to require, using thick on basement roof
300mm thickness mattress layer is arranged in sand, then, then 400mm thickness raft plate is poured on mattress layer, raft plate and surrounding main building structural elements it
Between expansion joint (100mm wide) is set, then large-scale experiment equipment is installed on raft plate, it turned out that, the operation of large-scale experiment equipment
When, it has obtained and has been directly mounted at earthquake isolation effect almost the same on ground；It should be noted that being tested with actual use
Card, the damper effect for the mattress layer being made of middle sand and its moisture content relationship are very big, when moisture content is below 0.5% compared with
Good, moisture content is more than that then effect is deteriorated above-mentioned value, therefore stringent waterproof is wanted in use process.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of earthquake isolation structure of large-scale experiment equipment, which is characterized in that including the installation pond being set on floor (1), institute
The surrounding's pool wall (2) for stating installation pond is concrete walls, beam or column, and the bottom of pond in the installation pond is laid with useful middle sand compacting backfill shape
At mattress layer (3), the concrete raft plate (4) having for installing fixed large-scale experiment equipment, institute are compressed on the mattress layer (3)
It states and is equipped with partitioning slot between the side wall of concrete raft plate (4) and the pool wall (2) in the installation pond, be equipped with connection in the partitioning slot
The Z-shaped steel plate (5) of the raft plate (4) and the pool wall (2), is folded between the Z-shaped steel plate (5) and the pool wall (2)
Insulation board (6) is folded with elastomeric layer (7) between the Z-shaped steel plate (5) and the raft plate (4) side wall.
2. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the installation pond
Depth be 60-70cm, the mattress layer (3) with a thickness of 25-35cm, the raft plate (4) with a thickness of 30-40cm.
3. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the partitioning slot
Width be 8-12cm.
4. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the Z-shaped
Steel plate (5) is formed by vertical section and positioned at the horizontal segment of the vertical section upper and lower ends, and the vertical section is located at the partitioning slot
Middle part, horizontal segment described in upper end is fixedly connected by anchor bolt pool wall (2) top corresponding with the installation pond, water described in lower end
Flat section is fixedly connected by anchor bolt with the bottom plate of the raft plate (4).
5. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the Z-shaped
Respective side walls elongated setting of the steel plate (5) along the raft plate (4).
6. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the raft plate
(4) the cement mortar waterproof layer of a thickness 2-3cm is folded between mattress layer (3).
7. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the insulation board
(6) pool wall (2) with the installation pond passes through building glue sticking.
8. a kind of earthquake isolation structure of large-scale experiment equipment according to claim 1, which is characterized in that the elasticity material
The bed of material (7) is filled by pitch or Bituminous hemp fiber.
9. a kind of earthquake isolation structure of large-scale experiment equipment according to any one of claims 1 to 8, which is characterized in that
The moisture content for the middle sand that the mattress layer (3) uses is within 0.5%, and the compacting factor of the mattress layer (3) is 0.95 or more.
10. a kind of earthquake isolation method of large-scale experiment equipment, which comprises the steps of:
S1. installation pond is preset on floor (1), the installation pond is constituted or led to by the sunken regions of script on floor (1)
It crosses the corresponding region on floor (1) and newly builds the pool wall (2) to form a circle and form；
S2. sand compacting backfill forms mattress layer (3) in using in installation pond, prepares in the upper surface middle part of the mattress layer (3)
Smear one layer of cement mortar waterproof layer, cement mortar waterproof layer surrounding and the installation pond in the region of casting concrete raft plate (4)
Pool wall (2) is spaced apart, and after cement mortar waterproof layer solidification, then one layer of heat preservation plate is adhered on the inside of the pool wall (2)
(6), then along one circle Z-shaped steel plate (5) of pool wall (2) arrangement, vertical section outside and the heat preservation of the Z-shaped steel plate (5)
Plate (6) bonding, the horizontal segment of Z-shaped steel plate (5) upper end stretch to the upper surface of the pool wall (2) and are equipped with for the pond
The anchor bolt that wall (2) upper surface is fixedly connected, the horizontal segment of Z-shaped steel plate (5) lower end be preset with for institute to be poured
The anchor bolt that raft plate (4) lower surface is fixedly connected is stated, a circle is set on cement mortar waterproof layer for pouring the raft plate (4)
Template, casting concrete and the curing formation raft plate (4), form removal, then again in the week of raft plate (4) in template
Enclose filling elastic material in the crack between side wall and the vertical section of Z-shaped steel plate (5)；
S3. finally, large-scale experiment equipment is mounted on raft plate (4).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198457A (en) * | 2021-12-13 | 2022-03-18 | 四川省禾力建设工程检测鉴定咨询有限公司 | Vibration reduction construction method for universal material testing machine base |
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| CN108505545A (en) * | 2017-02-28 | 2018-09-07 | 河南省建筑设计研究院有限公司 | A kind of underground pipe group wears the waterproofing process of building foundation raft plate |
| CN108060683A (en) * | 2017-12-18 | 2018-05-22 | 烟建集团有限公司 | A kind of middle weathering geology top-down construction method |
| CN209227580U (en) * | 2018-11-09 | 2019-08-09 | 北京城建六建设集团有限公司 | The tower-crane foundation structure of raft foundation is placed under a kind of |
| CN210827532U (en) * | 2019-08-12 | 2020-06-23 | 武汉中合元创建筑设计股份有限公司 | Shock insulation and absorption structure of large-scale test equipment |
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| CN114198457A (en) * | 2021-12-13 | 2022-03-18 | 四川省禾力建设工程检测鉴定咨询有限公司 | Vibration reduction construction method for universal material testing machine base |
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