CN108678416A - A kind of assembled underground increasing layer isolation structure and increasing layer shock insulation construction technology - Google Patents
A kind of assembled underground increasing layer isolation structure and increasing layer shock insulation construction technology Download PDFInfo
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- CN108678416A CN108678416A CN201810723223.9A CN201810723223A CN108678416A CN 108678416 A CN108678416 A CN 108678416A CN 201810723223 A CN201810723223 A CN 201810723223A CN 108678416 A CN108678416 A CN 108678416A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
The invention discloses a kind of assembled underground increasing layer isolation structures, it is characterised in that：Including building bottom column, the building bottom column lower end is connected with upper bush, the upper bush lower end is connected with shock insulation module, shock insulation module lower end is connected with increasing layer prefabricated component, the increasing layer prefabricated component includes prefabricated increasing layer column and the lower sleeve that is socketed in increasing layer column upper end and is connect with shock insulation module, and the shock insulation module includes the upper mounting plate being connect with upper bush, the lower installation board being connect with lower sleeve and the isolation cushion being connected between upper mounting plate and lower installation board.The present invention on original building bottom column by installing shock insulation module and increasing layer prefabricated component, the shock insulation module and increasing layer prefabricated component build the size of bottom column by measurement, preproduction is carried out in factory, compared to carrying out construction at the construction field (site), this mode not only will effectively reduce difficulty of construction, while also reduce construction period.
Description
Technical field
The present invention relates to building engineering field, more particularly to a kind of assembled underground increasing layer isolation structure and increasing layer shock insulation are applied
Work technique.
Background technology
Increasing layer or transformation, rational exploitation and utilization Urban spatial recourses are carried out to existing building, are to realize sustainable development
One of important channel.However, existing reinforced concrete structure is mostly based on old edition《Anti-quake Architectural Structure Design specification》It carries out
Design leads to the seismic seeurity of building structure since Seismic Design of Building recognizes the factors such as insufficient, aseismatic design concept is outmoded
It is relatively low, it cannot be satisfied new edition《Anti-quake Architectural Structure Design specification》（GB50011-2010）Shockproof requirements.Therefore, it is built existing
Build in underground storey-addition reconstruction, in order to make existing building meet the requirements for fortification against earthquake of the new period, toward contact need to overall structure into
Row seismic hardening.However, existing overall structure Shockproof reinforcing method, such as Enlargement of Section add component method, steel-bonded reinforcement
Method, plant anchor method etc., all in the presence of reinforcing, the period is long, structural weight per square meter increases, destroys the deficiencies of original component.Above-mentioned seismic hardening
The deficiency of method will largely increase the difficulty of underground storey-addition reconstruction, affect the quality of underground storey-addition reconstruction.It is first
First, superstructure dead weight significantly increases, and the bearing capacity for the support column added to basement has very high requirement, and construction is significantly increased
Difficulty and overall cost；Secondly, Enlargement of Section uses cast-in-situ steel reinforced concrete, and early strength is relatively low, easily goes out in the maintenance stage
The serious security problems such as house crack, inclination caused by existing structural bearing capacity deficiency；Finally, existing building add-story reconstruction need by
The Relocation and Settlements such as original resident, enterprise, above-mentioned seismic hardening further increase increasing layer consolidation time, largely increase
Placement cost.Therefore, how to reduce consolidation time, do not increase conducting oneself with dignity, simplifying strengthening flow process for superstructure, become underground
The emphasis of increasing layer base isolation reinforcement research and development.
Invention content
Present invention aim to address existing buildings in increasing layer shock insulation work progress, long construction period, difficulty of construction
High problem provides a kind of assembled underground increasing layer isolation structure and increasing layer shock insulation construction technology, can effectively shorten construction week
Phase reduces difficulty of construction.
The purpose of the present invention is what is be achieved through the following technical solutions：A kind of assembled underground increasing layer isolation structure, it is special
Sign is：Including building bottom column, the building bottom column lower end is connected with upper bush, and the upper bush lower end is connected with shock insulation
Module, shock insulation module lower end are connected with increasing layer prefabricated component, and the increasing layer prefabricated component includes prefabricated increasing layer column and is socketed in
Increasing layer column upper end and the lower sleeve being connect with shock insulation module, the shock insulation module include the upper mounting plate being connect with upper bush, with
The lower installation board of lower sleeve connection and the isolation cushion being connected between upper mounting plate and lower installation board.
The upper bush for building the installation of bottom column lower end plays connection function, for connecting mounted on mounted on upper bush lower end
Shock insulation module.The shock insulation module plays function of shock insulation, can effectively reduce external shock and be destroyed caused by building, improves building
Anti-seismic performance.The increasing layer prefabricated component is used to extend the length of building bottom column, to expand the low sky of existing building
Between, realize the purpose of the exploitation existing building underground space.The shock insulation module, increasing layer prefabricated component carry out preproduction in factory,
Manufacturing the shock insulation module completed and increasing layer prefabricated component need to only be assembled at the construction field (site), compare existing form of construction work, this
Mode not only will effectively reduce difficulty of construction, while be greatly reduced construction period.
Preferably, being provided with fine sand concrete perfusion layer, the lower sleeve between the upper bush and building bottom column
Fine sand concrete perfusion layer is provided between increasing layer column.The fine sand concrete perfusion layer is for filling up upper bush and building bottom
Gap between layer column, lower sleeve and increasing layer column, while improving the firmness of connection.
Preferably, being provided with the first bolt hole being connect with upper mounting plate on the upper bush, set on the lower sleeve
It is equipped with the second bolt hole being connect with lower installation board, and position identical as the first number of bolt hole is provided on the upper mounting plate
It is mutual corresponding to be provided with and position identical as the second number of bolt hole on the lower installation board for mutual corresponding third bolt hole
4th bolt hole.
Preferably, the building bottom column bottom sides are provided with several the first interconnecting holes, on the upper bush
Be provided with and position mutual corresponding first outer connecting hole identical as the first interconnecting hole quantity, first interconnecting hole and with
Be connected with the first bolt on the corresponding first outer connecting hole of first interconnecting hole, first bolt and the first interconnecting hole it
Between be provided with for reinforce connection the first bed course.First bed course is made up of rubber material, by bolt and first
First bed course is set between interconnecting hole, passes through the effect of the first bolt so that in the expansion of the first bed course and the first interconnecting hole
Portion is in close contact, and is solved the problems, such as closely to be engaged between the first bolt and the first interconnecting hole, is increased bolt
Bonding strength.
Preferably, increasing layer column end side is provided with several the second interconnecting holes, it is arranged on the lower sleeve
There is an and position mutual corresponding second outer connecting hole identical as the second interconnecting hole quantity, second interconnecting hole and with second
It is connected with the second bolt on the corresponding second outer connecting hole of interconnecting hole, is set between second bolt and the second interconnecting hole
It is equipped with the second bed course for reinforcing connection.Second bed course is made up of rubber material, by bolt with second in connect
Connect and the second bed course be set between hole, pass through the effect of the second bolt so that the second bed course expand with it is tight inside the second interconnecting hole
Contiguity is touched, and is solved the problems, such as closely to be engaged between the second bolt and the second interconnecting hole, is increased the connection of bolt
Intensity.
Preferably, being provided with several first through hole for concrete perfusion, the lower sleeve on the upper bush
On be provided with the second through-hole for concrete perfusion.The first through hole and the second through-hole are used for concrete perfusion, simultaneously also
In concrete perfusion inner air is discharged so that concrete can be uniformly distributed in the effect for having both venthole.
A kind of increasing layer shock insulation using the assembled underground increasing layer isolation structure described in claim 1 to 6 any one is applied
Work technique, which is characterized in that include the following steps：
1, building bottom column dimension is measured, determines stitching position；
2, prefabricated component is made：According to the data measured described in step 1, make the increasing layer column to match with building bottom column, on
Increasing layer prefabricated component is made in lower sleeve and the assembling of increasing layer column by sleeve, lower sleeve and shock insulation module；
3, upper bush is installed in building bottom column lower end；
4, shock insulation module is installed；
5, increasing layer prefabricated component is installed；
6, fire prevention processing is carried out to exposed steel bushing surface.
In step 1, by the advance measurement to building bottom column dimension, so that it is determined that rational stitching position, and meanwhile it is right
The dimensional measurement for building bottom column, size foundation is provided to the making of prefabricated component.In step 2, prefabricated component is made in factory
It makes, compared to original mode for carrying out construction manufacture at the construction field (site), good manufacturing environment is capable of providing in factory's manufacture, to
Manufacture difficulty can be effectively reduced, saves Production Time, and accuracy of manufacture higher.In step 3, by being installed in construction bottom
Sleeve is attached by upper bush and increasing layer column prefabricated component, and bottom column concrete parts are built by rejecting compared to original
And capital reinforcing bar is dug out, column reinforcing bar is lengthened by the way of welding, then the form of construction work of formwork casting concrete, this connection
Not only difficulty is low for mode, and working hour is short, and is destroyed to original building bottom column small.In step 4, install previously fabricated completion every
Shake module so that building has good anti-seismic performance.In step 5, increasing layer prefabricated component is previously fabricated, when operation, only need by
Increasing layer prefabricated component is directly assembled to shock insulation module lower end, and bottom column concrete parts are built simultaneously by rejecting compared to original
Capital reinforcing bar is dug out, column reinforcing bar is lengthened by the way of welding, then the form of construction work of formwork casting concrete, this connection side
Not only difficulty is low for formula, and working hour is short, and is destroyed to original building bottom column small.
Preferably, in step 3, first drill through the first interconnecting hole on building bottom column, to building bottom column bottom into
The first outer connecting hole on upper bush is respectively aligned to corresponding first interconnecting hole, respectively in the first interconnecting hole by row dabbing
The first bed course of interior installation, and install the first bolt, finally by the first through hole being located on upper bush to building bottom column with it is upper
Fine sand concrete is perfused between sleeve, layer is perfused.
Preferably, build bottom column on drill through the first interconnecting hole when, avoid building bottom column on reinforcing bar, first
Interconnecting hole diameter 3 ~ 5 mm bigger than first diameter of bolt carries out borehole cleaning operation after drilling.
Preferably, in step 4, when shock insulation module is installed, upper mounting plate is bolted on upper bush lower end, is walked
In rapid 5, when increasing layer prefabricated component is installed, temporary support is built, increasing layer prefabricated component is supported and makes to be arranged the second spiral shell on lower sleeve
Keyhole is respectively aligned to be arranged the 4th bolt hole on lower installation board, and fixation is bolted, while pouring ground and make increasing layer
Column bottom is fixed on ground, after ground is securely molded, removes temporary support.
The beneficial effects of the invention are as follows：The present invention by original building bottom column install shock insulation module and increasing layer it is pre-
Product, the shock insulation module and increasing layer prefabricated component build the size of bottom column by measurement, carry out preproduction in factory, compare
Construction site carries out construction, and this mode not only will effectively reduce difficulty of construction, while also reduce construction period.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the portions I amplification assumption diagram in Fig. 1.
Fig. 3 is A sectional views in Fig. 1.
Fig. 4 is upper bush structural schematic diagram.
Fig. 5 is lower sleeve structural schematic diagram.
Fig. 6 is shock insulation modular structure explosive view.
Fig. 7 is shock insulation module sectional view.
Fig. 8 is the portions II amplification assumption diagram in Fig. 7.
In figure：1, build bottom column, 2, upper bush, 3, fine sand concrete be perfused layer, the 4, first bolt, the 5, first bed course,
6, upper mounting plate, 7, isolation cushion, 8, lower installation board, 9, lower sleeve, the 10, second bolt, the 11, second bed course, 12, increasing layer column, 13,
First outer connecting hole, 14, first through hole, the 15, first bolt hole, the 16, second bolt hole, the 17, second through-hole connects outside 18, second
Connect hole, 19, fixed screw, 20, third bolt hole, 21, lead for retractable pencil, 22, upper sealing plate, 23, lower sealing plate, the 24, the 4th bolt hole, 25,
Rubber layer, 26, steel disc, 27, protective layer.
Specific implementation mode
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
As shown in Figures 1 to 8, a kind of assembled underground increasing layer isolation structure, including building bottom column 1.In the present embodiment,
The 1 rank street face of building bottom column is rectangle.1 lower end of building bottom column（By the overlying relation of Fig. 1）Be connected with
The upper bush 2 that building bottom column matches.The upper bush 2 is socketed in the bottom of building bottom column 1.The upper bush 2 is in square
Shape cross section is the tubular structure of rectangle.2 upper end opening of the upper bush.2 side of the upper bush is provided with outside first and connects
Hole 13.The quantity of first connecting hole 13 can be configured according to the specific size and stressing conditions of building bottom column.This reality
Apply in example, the first outer connecting hole 13 is provided with eight altogether, be respectively set on each side there are two.It is connected outside all first
Hole 13 is arranged in same level.2 side of the upper bush is additionally provided with first through hole 14.In the present embodiment, described
One through-hole 14 is provided with eight altogether.First through hole there are two being respectively provided on each side of upper bush 2.The first through hole setting
Apart from upper bush bottom five/one of position.The first through hole 14 plays grouting, while having both venthole effect.
The flange horizontally outward extended is arranged in 2 bottom margin of the upper bush.The first bolt hole 15 is provided on the flange.This implementation
In example, total this of first bolt hole 15 is provided with eight.First bolt hole 15 is evenly distributed on flange.
The building bottom column bottom sides are provided with and position identical as 13 quantity of the first outer connecting hole on upper bush 2
Mutual corresponding first interconnecting hole.The first bed course 5 is both provided on the first all interconnecting holes.First bed course 5 is
Cylinder-like structure.First bed course 5 leads to rubber material and is made.First bed course 5 also cross with the first interconnecting hole phase
Corresponding first outer connecting hole 10.First bed course, 5 outer surface comes into full contact with the first interconnecting hole inner surface.All first
The first bolt 4 is respectively connected among bed course 5.Fine sand concrete perfusion layer is provided between the upper bush 2 and building bottom column
3。
2 lower end of the upper bush is connected with shock insulation module.The shock insulation module includes isolation cushion 7, is connected on isolation cushion 7
The upper mounting plate 6 at end and the lower installation board 8 for being connected to isolation cushion lower end.The upper mounting plate 6 and lower installation board 8 are rectangular slab
Shape structure.It is provided with that identical as 15 quantity of the first bolt hole on upper bush 2 and position is mutual corresponding on the upper mounting plate 6
Third bolt hole 20.It is connected by bolt group between the upper bush 2 and upper mounting plate 6.Bolt is also cross the first bolt hole
15 and third bolt hole corresponding with the first bolt hole 15 20 make upper mounting plate 6 and upper bush 2 be formed to connect.Isolation cushion 7 is
Cylindrical structure.The isolation cushion 7 include be arranged upper end upper sealing plate 22 and the lower sealing plate 23 in lower end is set.The upper envelope
Plate 22 and lower sealing plate 23 are circular plate structure.The upper sealing plate 22 is identical as lower 23 section of sealing plate.22 He of the upper sealing plate
It is both provided with borehole structure among lower sealing plate 23.The threaded hole for connecting upper mounting plate 6 is provided on the upper sealing plate 22.Institute
It states there are six the first threaded hole is arranged altogether.The first threaded hole setting arranged in a ring.It is arranged on the lower sealing plate 23 useful
In the second threaded hole of connection lower installation board 8.Second threaded hole is rounded to be arranged.The upper sealing plate 22 and lower sealing plate
23 are arranged in parallel.Several steel discs 26 are provided between the upper sealing plate and lower sealing plate.The section of the steel disc 26 and upper sealing plate
22 section is identical.Steel disc 26 is mutually parallel and is placed equidistant with.Rubber layer 25 is provided between two neighboring steel disc 26.It is described every
The lead for retractable pencil 21 of cylinder is provided among shake pad 7.The isolation cushion side wrap has protective layer 27 made of rubber.
6 lower face of the upper mounting plate is provided with circular first groove.First groove section and isolation cushion section
It is identical.7 upper end of the isolation cushion is connected in the first groove.It is provided on the upper mounting plate 6 and first on upper sealing plate 22
Screw thread hole number is identical and mutual corresponding first counterbore in position.Pass through bolt mode between the upper mounting plate 6 and isolation cushion 7
Connection.Bolt is connected across the first counterbore the first threaded hole corresponding with the first counterbore.The lower installation board upper surface setting
There is circular second groove.The section of second groove is identical as isolation cushion section.7 lower end of the isolation cushion is connected to second
In groove.The second screw thread hole number being provided on the lower installation board 8 on lower sealing plate 23 is identical and position mutual corresponding
Two counterbores.It is connected by bolt mode between the lower installation board 8 and isolation cushion 7.Bolt passes through the second counterbore and the second counterbore
Corresponding second threaded hole is connected.The lower installation board 8 is additionally provided with several the 4th bolts hole 24.In the present embodiment, institute
It states the 4th bolt hole 24 and is provided with eight altogether.4th bolt hole 24 is separately positioned on 8 marginal position of lower installation board.
It is connected with prefabricated increasing layer prefabricated component below the shock insulation module.The increasing layer column prefabricated component includes 12 He of increasing layer column
It is socketed in 12 upper end lower sleeve 9 of increasing layer column.In the present embodiment, 9 cross section of increasing layer column is rectangle.9 lower end of increasing layer column
Connect ground.The lower sleeve 6 is the rectangular drum like structure of lower ending opening.The lower sleeve 9 is socketed in the upper end of increasing layer column 9.
It is provided at 6 upper end-face edge of the lower sleeve to the flange horizontally outward extended.Setting and the 4th bolt hole count on the flange
Measure mutual corresponding second bolt hole in identical and position 16.6 side of the lower sleeve is provided with eight the second outer connecting holes 18.Under
Each side of sleeve 6 is respectively set there are two the second outer connecting hole 18.The second outer connecting hole 18 is located at same
On horizontal plane.The lower sleeve side is provided with eight the second through-holes 17.There are two 6 each side of the lower sleeve is respectively set
Second through-hole 17.Second through-hole is arranged at apart from lower sleeve upper surface
12 upper side of increasing layer column, which is provided in and position mutual corresponding second identical as connection hole number outside second, to be connected
Connect hole.The second bed course 11 is respectively connected on all second interconnecting holes.Second bed course 11 is cylinder-like structure.Described second
Bed course 11 is made up of rubber material.First bed course 11 connects outside also cross corresponding with the second interconnecting hole second
Hole 12.Second bed course, 11 outer surface comes into full contact with the second interconnecting hole inner surface.It is connect among all second bed courses 11
There is the second bolt 10.Fine sand concrete perfusion layer is provided between the lower sleeve and increasing layer column 12.
When carrying out underground increasing layer shock insulation construction reformation to existing building using the present invention, construction technology includes following specific
Step：
1, building bottom column dimension is measured, determines stitching position.To building the measurement of bottom column dimension, bottom column and underground are determined
The assembled steel reinforced concrete column stitching position of room increasing layer.
2, prefabricated component is made.Increasing layer column, the upper set to match with building bottom column is made according to measurement data in step 1
Cylinder, lower sleeve and shock insulation module, lower sleeve is attached with increasing layer column by bolt, is perfused between lower sleeve and increasing layer column
Layer is perfused in fine sand concrete so that increasing layer column assembles to form increasing layer prefabricated component with lower sleeve.The area of section of increasing layer column can basis
The concrete condition of building is set, and the area of section of increasing layer column can be more than or less than the area of section of building bottom column.Make
Area of section for preferred embodiment, increasing layer column is identical as the building area of section of bottom column.
3, upper bush is installed on building bottom column.The dabbing on building bottom column bottom surface and bottom sides, at building bottom
The first interconnecting hole for connecting upper bush is drilled through on layer column, upper bush is socketed in the lower end of building bottom column, by upper set
The first outer connecting hole on cylinder is respectively aligned to corresponding first interconnecting hole, respectively the first pad of installation in the first interconnecting hole
Layer, and the first bolt is installed, fine sand is perfused between building bottom column and upper bush finally by the through-hole being located on upper bush
Filling concrete layer.
Male and fomale(M＆F) is dug out on column base concrete face in dabbing operation, while being controlled between cup depth and rising height
Height difference is in 3 ~ 5 mm.
When drilling through the first interconnecting hole on building bottom column, building bottom column reinforcing bar is avoided.First interconnecting hole diameter
3 ~ 5 mm bigger than first diameter of bolt carries out borehole cleaning operation after drilling.Borehole cleaning operational method is that hairbrush extends to bottom hole repeatedly
It sweeps back and forth, dust and residue is taken out of, then be passed through compressed air and further blow off floating dust in hole.With absorbent cotton dip acetone or
Alcohol cleans bolt hole inner wall, must not use scrub water hole inner wall.After borehole cleaning, bolt hole is sealed with clean absorbent cotton
It closes.
When building perfusion fine sand concrete perfusion layer between bottom column and upper bush, fine sand concrete, mix are first prepared
It should meet existing professional standard with water《Concrete water standard》The pertinent regulations of JGJ 63；Amount of water answers fine sand concrete to configure
Requirement determine, and should be by weight；Fine sand concrete should use electrical equipment stirring fully, uniformly, and preferably stand 2 min
After use；After the completion of stirring, water must not be added again；It should check that grouting material mixture initial flow degree is no less than 1 time per shift,
The indwelling quantity of ruggedness test test specimen should meet examination and Construction control requirement.Grouting operation overall process should have specialized staff inspection personnel
It is responsible for field surveillance and forms inspection of construction record in time；When grouting construction, environment temperature should meet fine sand concrete use and say
Bright book requirement；Environment temperature should not construct when being less than 5 DEG C, must not construct when less than 0 DEG C；When environment temperature is higher than 30 DEG C, answer
Taking reduces the measure of fine sand concrete mixture temperature；Cementing operations should be injected using mud jacking from lower grout hole, and grouting is worked as
Material mixture should block in time after component other grout holes, slurry outlet outflow；Fine sand concrete is used in 30 min after adding the water
It is complete.
4. installing shock insulation module：Shock insulation module is installed to upper bush lower end by bolt.When installation, in shock insulation module
Third bolt hole is respectively aligned to the first bolt hole on upper bush, and bolt is also cross third bolt hole and corresponding first
Shock insulation module is installed to upper bush lower end by bolt hole.
5. increasing layer prefabricated component is installed to below shock insulation module.When installation, the second bolt hole for will being arranged on lower sleeve
It is respectively aligned to be arranged the 4th bolt hole on lower installation board, builds temporary support, increasing layer prefabricated component is made to keep existing position not
Dynamic, bolt is fixed increasing layer prefabricated component and shock insulation module, together also cross the second bolt hole and corresponding 4th bolt hole
When pour ground increasing layer column bottom made to be fixed on ground.After ground is securely molded, temporary support is removed.
6, fire prevention processing is carried out to exposed steel bushing surface.
Above-described embodiment is the description of the invention, is not limitation of the invention, any simple transformation to the present invention
Structure afterwards all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of assembled underground increasing layer isolation structure, it is characterised in that：Including building bottom column（1）, the building bottom column
（1）Lower end is connected with upper bush（2）, the upper bush（2）Lower end is connected with shock insulation module, and shock insulation module lower end is connected with
It is inserted into the increasing layer prefabricated component of ground, the increasing layer prefabricated component includes prefabricated increasing layer column（12）Be socketed in increasing layer column（12）Upper end
And the lower sleeve being connect with shock insulation module（9）, the increasing layer column（12）Bottom be inserted into foundation soil, the shock insulation module include with
The upper mounting plate of upper bush connection（6）, the lower installation board that connect with lower sleeve（8）Be connected to upper mounting plate and lower installation board it
Between isolation cushion（7）.
2. a kind of assembled underground increasing layer isolation structure according to claim 1, which is characterized in that the upper bush（2）
With building bottom column（1）Between be provided with fine sand concrete perfusion layer, the lower sleeve（9）With increasing layer column（12）Between be provided with
Layer is perfused in fine sand concrete.
3. a kind of assembled underground increasing layer isolation structure according to claim 1, the upper bush（2）On be provided with it is upper
Mounting plate（6）First bolt hole of connection（15）, the lower sleeve（9）On be provided with and lower installation board（8）Second spiral shell of connection
Keyhole（16）, the upper mounting plate（6）On be provided with and the first bolt hole（15）Quantity is identical and the mutual corresponding third in position
Bolt hole（20）, the lower installation board（8）On be provided with and the second bolt hole（16）Quantity is identical and position mutual corresponding
Four bolts hole（24）.
4. a kind of assembled underground increasing layer isolation structure according to claim 1 or 2 or 3, which is characterized in that the building
Bottom column（1）Bottom sides are provided with several the first interconnecting holes, the upper bush（2）On be provided with and the first interconnecting hole
Quantity is identical and the mutual corresponding first outer connecting hole of position（13）, first interconnecting hole and opposite with the first interconnecting hole
It is connected with the first bolt on the first outer connecting hole answered（4）, first bolt（4）It is arranged between the first interconnecting hole useful
In the first bed course for reinforcing connection（5）.
5. a kind of assembled underground increasing layer isolation structure according to claim 1 or 2 or 3, which is characterized in that the increasing layer
Column（12）End sides are provided with several the second interconnecting holes, the lower sleeve（9）On be provided with and the second interconnecting hole number
Measure the mutual corresponding second outer connecting hole of identical and position（18）, second interconnecting hole and corresponding with the second interconnecting hole
The second outer connecting hole（18）On be connected with the second bolt（10）, second bolt（10）It is arranged between the second interconnecting hole
It is useful for reinforcing the second bed course of connection（11）.
6. a kind of assembled underground increasing layer isolation structure according to claim 1 or 2 or 3, which is characterized in that the upper set
Cylinder（2）On be provided with several first through hole for concrete perfusion（14）, the lower sleeve（9）On be provided with for being perfused
Second through-hole of concrete（17）.
7. a kind of increasing layer shock insulation using the assembled underground increasing layer isolation structure described in claim 1 to 6 any one is constructed
Technique, which is characterized in that include the following steps：
1, building bottom column dimension is measured, determines stitching position；
2, prefabricated component is made：According to the data measured described in step 1, the increasing layer column to match with building bottom column is made
（12）, upper bush（2）, lower sleeve（9）With shock insulation module, by lower sleeve（9）With increasing layer column（12）Increasing layer prefabricated component is made in assembling；
3, in building bottom column（1）Lower end is installed by upper bush（2）；
4, shock insulation module is installed；
5, increasing layer prefabricated component is installed；
6, fire prevention processing is carried out to exposed steel bushing surface.
8. a kind of increasing layer shock insulation construction technology according to claim 7, which is characterized in that in step 3, first in building bottom
The first interconnecting hole is drilled through on column, to building bottom column（1）Bottom carries out dabbing, by upper bush（10）On the first outer connecting hole
（10）It is respectively aligned to corresponding first interconnecting hole, the first bed course is installed in the first interconnecting hole respectively（5）, and install first
Bolt（4）, finally by being located at upper bush（2）On first through hole（14）To building bottom column（1）With upper bush（2）Between fill
It notes fine sand concrete and layer is perfused.
9. a kind of increasing layer shock insulation construction technology according to claim 8, which is characterized in that in building bottom column（1）Upper brill
When taking the first interconnecting hole, building bottom column is avoided（1）On reinforcing bar, the first interconnecting hole diameter is than the first bolt（4）Diameter
Big 3 ~ 5 mm carries out borehole cleaning operation after drilling.
10. a kind of increasing layer shock insulation construction technology according to claim 7 or 8 or 9, which is characterized in that in step 4, installation
When shock insulation module, by upper mounting plate（6）It is bolted on upper bush（2）Lower end, in step 5, when increasing layer prefabricated component is installed,
Temporary support is built, increasing layer prefabricated component is supported and makes setting in lower sleeve（9）On the second bolt hole（16）It is respectively aligned to be arranged
The 4th bolt hole on lower installation board（24）, fixation is bolted, while pouring ground to make increasing layer column（12）Bottom is solid
It is scheduled on ground, after ground is securely molded, removes temporary support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723223.9A CN108678416B (en) | 2018-07-04 | 2018-07-04 | Assembled underground storey-adding vibration-isolating structure and storey-adding vibration-isolating construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723223.9A CN108678416B (en) | 2018-07-04 | 2018-07-04 | Assembled underground storey-adding vibration-isolating structure and storey-adding vibration-isolating construction process |
Publications (2)
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