CN203977468U - The foundation shock absorption sound-insulation reinforcing system of protective building - Google Patents

The foundation shock absorption sound-insulation reinforcing system of protective building Download PDF

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Publication number
CN203977468U
CN203977468U CN201420409277.5U CN201420409277U CN203977468U CN 203977468 U CN203977468 U CN 203977468U CN 201420409277 U CN201420409277 U CN 201420409277U CN 203977468 U CN203977468 U CN 203977468U
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CN
China
Prior art keywords
sound insulation
shock attenuation
bearing
elastic shock
base plate
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Expired - Fee Related
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CN201420409277.5U
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Chinese (zh)
Inventor
黄玉才
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SHANGHAI KANGYE BUILDING DECORATION ENGINEERING Co Ltd
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SHANGHAI KANGYE BUILDING DECORATION ENGINEERING Co Ltd
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Publication of CN203977468U publication Critical patent/CN203977468U/en
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Abstract

The utility model relates to building damping reinforcing technique field, a kind of foundation shock absorption sound-insulation reinforcing system of protective building specifically, comprise elastic shock attenuation sound insulation bearing, elastic shock attenuation sound insulation bearing top has additional double bracket beam, double bracket beam comprises grade beam (2) and joist (3), grade beam (2) is positioned at joist (3) below, between grade beam (2) and joist (3), be provided with connector (4), on elastic shock attenuation sound insulation bearing, be provided with damper, connector (4) between this grade beam (2) and joist (3) is provided with at least two, and the distance between adjacent connector (4) is not more than 1.5m; Compared with the existing technology, novel structure, simple, reasonable in design, efficiently solves traditional damping hardened system and easily cause the corrosion of stirrup in long-term use procedure the utility model, and the problem that affects bearing capacity.

Description

The foundation shock absorption sound-insulation reinforcing system of protective building
[technical field]
The utility model relates to building damping reinforcing technique field, specifically a kind of foundation shock absorption sound-insulation reinforcing system of protective building.
[background technology]
Based on all a variety of causes described as follows, often need the original structure of building to carry out the processing of damping sound-insulation reinforcing.As: (1) subway No. two lines from building underground more than 10 meters through, the vibration that subway causes exceeds Indoor Residential Ecological vibration limit value, has had a strong impact on the comfortableness of living, and very large for the influence of noise on Yu Yuan road; (2) the load bearing wall serious aging of building, the low strength of mortar and building block; (3) building does not arrange constructional column and collar tie beam; (4) the flooring of building, the ground wooden construction degree of impairment that rots is comparatively serious.
Therefore, damping sound insulation technology is extensively approved by civil engineering field because of its good damping sound insulation value, and in calendar year 2001, is started to write in the relevant clause of China's seismic design provision in building code.Although China's related specifications does not also have relevant technology clause for damping sound-insulation reinforcing technology, this technology is more and more paid attention to, to obtain better damping soundproof effect.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and foundation shock absorption sound-insulation reinforcing system that a kind of protective building is provided; efficiently solve traditional damping hardened system and easily cause the corrosion of stirrup in long-term use procedure, and the problem that affects bearing capacity.
Design for achieving the above object a kind of foundation shock absorption sound-insulation reinforcing system of protective building; comprise elastic shock attenuation sound insulation bearing; described elastic shock attenuation sound insulation bearing top has additional double bracket beam; described double bracket beam comprises grade beam 2 and joist 3; described grade beam 2 is positioned at joist 3 belows; between described grade beam 2 and joist 3, be provided with connector 4, on described elastic shock attenuation sound insulation bearing, be provided with damper.
Connector 4 between described grade beam 2 and joist 3 is provided with at least two, and the distance between described adjacent connector 4 is not more than 1.5m.
Described elastic shock attenuation sound insulation bearing comprises elastic shock attenuation sound insulation module 1, sound insulation module top board 14 and sound insulation module base plate 15, described sound insulation module top board 14, sound insulation module base plate 15 are connected to the upper and lower side of elastic shock attenuation sound insulation module 1, described sound insulation module top board 14 places are provided with pre-embedded bolt 8, and described sound insulation module base plate 15 places are provided with embedded sleeve barrel 9.
Described elastic shock attenuation sound insulation bearing place is provided with cushion cap 5, lower cushion cap 6 and base plate 7, and described elastic shock attenuation sound insulation bearing is arranged between cushion cap 5 and lower cushion cap 6, and described base plate 7 is positioned at lower cushion cap 6 belows, and described double bracket beam 3 is positioned at the top of cushion cap 5.
Between described base plate and double bracket beam, be erected with temporary supporting.
Compared with the existing technology, tool has the following advantages the utility model:
(1), because the groundwater level in a lot of areas (as Shanghai) is higher, traditional damping hardened system easily causes the corrosion of stirrup in long-term use procedure, thereby affects bearing capacity; And in the utility model patent, adopt the structure of setting up double bracket beam above elastic shock attenuation sound insulation bearing, to bear upper load, and efficiently solve this problem, and between double bracket beam, be provided with connection, thereby further played reinforcement effect;
(2) elastic shock attenuation sound insulation bearing place has built cushion cap, lower cushion cap and base plate to replace tradition to connect, and only needs suitably to adjust upper and lower cushion cap reinforcement manner, can make it play and connect double bracket beam action;
(3) along with the popularization of damping sound insulation technology and reaching its maturity of reinforcing technique thereof, can predict, damping sound insulation technology will be widely used in the building reinforce of all kinds and function, and by the huge Social benefit and economic benefit of performance.
[accompanying drawing explanation]
Fig. 1 is the structural representation of double bracket beam in the utility model;
Fig. 2 is construction process schematic diagram of the present utility model;
Fig. 3 is the original state schematic diagram that in the utility model, bearing is installed;
Fig. 4 is the schematic diagram after body of wall between folder beam and base plate of emptying that in the utility model, bearing is installed;
Fig. 5 is bearing that in the utility model, bearing the is installed schematic diagram after in place;
Fig. 6 is the schematic diagram after cushion cap, lower cushion cap and base plate of building that in the utility model, bearing is installed;
In figure: 1, the soil body 13, the excavation soil body 14, sound insulation module top board 15, sound insulation module base plate under the soil body 12, base plate under elastic shock attenuation sound insulation module 2, grade beam 3, joist 4, connector 5, upper cushion cap 6, lower cushion cap 7, base plate 8, pre-embedded bolt 9, embedded sleeve barrel 10, folder beam 11, folder beam.
[specific embodiment]
Below in conjunction with accompanying drawing, the utility model is done to following further illustrating:
As shown in drawings, the utility model comprises: elastic shock attenuation sound insulation bearing, elastic shock attenuation sound insulation bearing top has additional double bracket beam, double bracket beam comprises grade beam 2 and joist 3, grade beam 2 is positioned at joist 3 belows, between grade beam 2 and joist 3, is provided with connector 4, on elastic shock attenuation sound insulation bearing, is provided with damper, connector 4 between this grade beam 2 and joist 3 is provided with at least two, and the distance between adjacent connector 4 is not more than 1.5m; Elastic shock attenuation sound insulation bearing comprises elastic shock attenuation sound insulation module 1, sound insulation module top board 14 and sound insulation module base plate 15, sound insulation module top board 14, sound insulation module base plate 15 are connected to the upper and lower side of elastic shock attenuation sound insulation module 1, sound insulation module top board 14 places are provided with pre-embedded bolt 8, and sound insulation module base plate 15 places are provided with embedded sleeve barrel 9; Elastic shock attenuation sound insulation bearing place is provided with cushion cap 5, lower cushion cap 6 and base plate 7, elastic shock attenuation sound insulation bearing is arranged between cushion cap 5 and lower cushion cap 6, base plate 7 is positioned at lower cushion cap 6 belows, double bracket beam 3 is positioned at the top of cushion cap 5, between base plate and double bracket beam, be erected with temporary supporting, this temporary supporting is strengthened for local.
A foundation shock absorption sound-insulation reinforcing method for protective building, comprises the following steps,
1) remove protective building accessory;
2) foundation dredging, basic section construction, double bracket beam and bottom overhead ground construction, wall reinforcement, flooring construction, roof truss inspection;
3) the above structure of jacking double bracket beam;
4) foundation replacement: upper clamping beam construction, elastic shock attenuation sound insulation bearing is installed, and sole plate is built;
5) decorate.
In step 4, elastic shock attenuation sound insulation bearing is installed and is comprised the following steps: 1. embedded board is assembled; 2. embedded board is on-the-spot installs; 3. bearing is installed.Wherein, embedded board is assembled comprises the following steps: 1. four embedded boards are assemblied into one; 2. go up bolt; 3. calibration bolt length; 4. tight a bolt; 5. correcting diagonal line length; 6. spot welding is on one side fixing, and another side is unfixing, makes it detachable.The on-the-spot installation of embedded board comprises the following steps: the position, the size that 1. check embedded board numbering and hole; 2. check folder beam bottom board planeness, horizontal absolute altitude; 3. on folder beam bottom mother plate, mark buried plate hole location and size; 4. at embedded board hole location piercing hole; 5. embedded board is in place, assembling reinforcement; 6. fill embedded board; 7. fill pre-embedded bolt; 8. proofread and correct embedded board position, horizontal absolute altitude, planeness, bolt hole distance.Bearing is installed and to be comprised the following steps: 1. press from both sides beam 10 belows and be followed successively by under folder beam the soil body 12 under the soil body 11, base plate, Jia Liang with press from both sides under beam pre-embedded bolt between the soil body; 2. under support position place folder beam and base plate, between the soil body, excavate the soil body 13; 3. bearing is in place, lifting, and Jia Liang is connected with upper embedded board bolt, tights a bolt, and lower embedded board sleeve is installed, and tights a bolt; 4. build cushion cap, lower cushion cap and base plate.Upper clamping beam construction comprises the following steps: 1. the construction line-putting is located, excavation foundation, basic levelling; 2. metope cleaning and muscle through walls, reinforcing bar binding; 3. carpenter's formwork, hidden examination; 4. concreting, concrete curing.
The utility model adopts three-dimensional damping sound insulation scheme to carry out strengthening reconstruction between superstructure and basis, and double bracket joist support load upper load is set up in elastic shock attenuation sound insulation bearing top, and its construction process figure as shown in Figure 2.And because some regional groundwater level is higher, as District of Shanghai, thereby traditional damping hardened system easily causes the corrosion of stirrup in long-term use procedure, thereby affects bearing capacity.The utility model is by adopting grade beam as shown in Figure 1 and the project organization of joist, and connector is set between twin beams every 1.5 meters, and this distance can appropriately adjust, but must not be greater than 1.5 meters.And elastic shock attenuation sound insulation bearing place can be replaced connecting by upper and lower cushion cap, but suitably adjusts upper and lower cushion cap reinforcement manner, it is played and connect two beam actions.
In the utility model, foundation replacement construction technology mainly comprises that upper clamping beam is constructed and sole plate is built replacement, and its construction technology is described below:
1. upper clamping beam construction
Upper clamping beam construction can be undertaken by the operation of " the construction line-putting location → excavation foundation → basic levelling → metope is cleared up, muscle → reinforcing bar binding through walls → carpenter formwork → hidden examination → concreting → concrete curing → according to layout crossed construction ", and constructs by following construction technology:
(1) processing on basis takes segmentation to construct, excavation section by section, segmentation reinforcing, segmentation backfill;
(2) before construction, former foundation structure figure is verified in authentication, confirms former base form, key dimension, foundation elevation, and should investigate thoroughly the laying situation of network of underground, for soil excavation is carried out technical preparation;
(3) should carry out in advance the pilot measurement of datum grade and work is established in the survey in basic sideline, according to soil property situation, determine and put the slope gradient, reserve after the scope of operation (being not less than 1000mm), eject excavation sideline;
(4) along excavation sideline, with concrete cutting machine, original ground, original aproll are cut, remove;
(5) a cubic metre of earth employing is manually excavated, and when approaching former metope and basic pedestal foot, gently dig with spade, forbids sharp pick plane to dig, in order to avoid destroy former basis, affects structural safety.And in time building waste is cleared to appearance;
(6) according to the layout of construction at spacing 2000-2100mm, open 200 * 600mm hole through walls, according to working drawing configuration, adopt 8 20,10@200. continuous beams and wall clip beam to link, lapped length of steel bar should be greater than 10D, adopts and welds;
(7) upper clamping beam adopts 4 25,8 18,8 20 and the reinforcing bar binding of 10@200, when upper clamping beam is constructed, should note linking with the reinforcing bar of metope reinforced steel, Stall floor and road, outside trench cover, reinforcing bar links can adopt colligation link, welding and mechanical link.Section construction is answered in the position of the built-in fitting that is also noted that the position of cushion cap shock strut, horizontal absolute altitude simultaneously and links with upper clamping beam in the situation that guaranteeing construction quality and safety.
2. sole plate is built replacement
Sole plate is built and is replaced construction and can be undertaken by the operation of " unwrapping wire location → foundation excavation → basic levelling → ground examination → concrete packing course build → reinforcing bar unwrapping wire → reinforcing bar binding → hidden examination → concreting → maintenance → support temporary support (jack) → according to layout crossed construction ", and constructs by following construction technology:
(1) excavation of foundation pit is by excavating at the definite position of construction plan, size and absolute altitude in advance, and excavation adopts hand excavation and excavation section by section; Because cutting depth is greater than original structure foundation bed, so must guarantee in the disturbance at utmost reducing original structure soil layer;
(2) determine Yi Ge unit's strengthening length, dig out the soil body of the non-former basic scope of unit length, build the bed course base plate (noting the raft slab muscle in reserved former basic scope) within the scope of this, while building base plate, should on the wooden model of both sides, eject according to the absolute altitude of concrete basic end face absolute altitude line, as while adopting former groove clay model, should on the Tu Bi of foundation trench both sides, interlock and squeeze into the mark post of long 100mm left and right, the distance between mark post is 2-3m;
(3) after base plate reaches design strength, the soil body (or basis) that temporary supporting (jack) empties within the scope of this is again set between the upper clamping beam of (maximum is no more than 600mm in principle) and the base plate of newly building within the scope of unit length and builds bed course base plate, until part base plate, reach after design strength, and then another unit strengthening length in basic scope of constructing, and so forth until raft foundation constructed;
(4), due to the particularity (construction process is shown in Fig. 4) of the employing section construction of this item base, so should reserve ater-casting when cast, the time that build ater-casting carries out after reaching requirement for the concrete intensity of its adjacent foundation, and should not be less than 28 days;
(5) for cushion cap foundation, answer placement layer by layer, and guarantee not stay constuction joint between upper and lower layer, the thickness of every layer concrete is 200-300mm, building order for every layer should be from lower, along long side direction, from one end, to the other end, build, also can take in the middle of to two ends or two ends to centre, build.
In the utility model, the construction technology that elastic shock attenuation sound insulation bearing is installed is described below:
1, embedded board is assembled
1. four assembled;
2. go up bolt;
3. calibration bolt length 150mm, adhesive tape is protected 150 length screw rods (3 layers);
4. tight a bolt, correcting diagonal line length (650-777.8; 600-707.1; 550-594; 650-777.8; );
5. calibration bolt length 150mm;
6. spot welding is fixed, Yi Bian note unfixing, detachable.
2, embedded board is on-the-spot installs
1. check contact beam embedded board numbering, the position (horizontal level and vertical elevation) of hole, size;
2. check folder beam bottom board planeness, horizontal absolute altitude;
3. organic formwork marks embedded board hole location and little ¢ 50mm on folder beam bottom mother plate;
④Rang unit in charge of construction is at the hole of embedded board hole location piercing hole ¢ 50mm, dark 160mm;
5. embedded board (rear unit in charge of construction in place assembling reinforcement) in place;
6. fill embedded board;
7. fill pre-embedded bolt;
8. proofread and correct embedded board position, horizontal absolute altitude, planeness, bolt hole distance.
3, bearing is installed
1. the original state schematic diagram of installing for bearing as shown in Figure 3;
2. as shown in Figure 4, empty the body of wall between support position place folder beam and base plate;
3. as shown in Figure 5, connecting support seat lower joint sleeve cylinder, bolt, bearing is in place; The steps include: that (1) bearing is in place; (2) lifting; (3) joint cover is connected with upper embedded board bolt, tights a bolt; (4) note reserved 100mm height; (5) lower embedded board sleeve is installed, is tighted a bolt;
4. as shown in Figure 6, upper cushion cap, lower cushion cap and bottom slab concreting, this support position place also can arrange the temporary supporting between base plate and folder beam.
The utility model passes through self-checking, the conclusion obtaining is: architecture indoor records vibration noise and is all less than specification limits, meet the vibration of housing construction doors structure and construct noise limit value and measuring method > > that provincial standard < < urban track traffic (underground section) train operation that Shanghai City 2010-01-22 promulgates causes, and the code requirement that meets the indoor vibration limit value of GB < < housing construction and measuring method standard > > GB/T50355-2005 thereof.And build outdoor vibration amplitude maximum, reach 85.5dB, surpassed code requirement; And reach 77.9dB without the vibration amplitude of damping sound insulation processing, surpassed code requirement.Therefore, the overall structure of processing through damping sound insulation, its damping soundproof effect is desirable, and between night and daytime, vibration amplitude is all in country and District of Shanghai standard value, respond well after tested, is worthy of popularization.

Claims (5)

1. the foundation shock absorption sound-insulation reinforcing system of a protective building; it is characterized in that: comprise elastic shock attenuation sound insulation bearing; described elastic shock attenuation sound insulation bearing top has additional double bracket beam; described double bracket beam comprises grade beam (2) and joist (3); described grade beam (2) is positioned at joist (3) below; between described grade beam (2) and joist (3), be provided with connector (4), on described elastic shock attenuation sound insulation bearing, be provided with damper.
2. the foundation shock absorption sound-insulation reinforcing system of protective building as claimed in claim 1; it is characterized in that: the connector (4) between described grade beam (2) and joist (3) is provided with at least two, and the distance between described adjacent connector (4) is not more than 1.5m.
3. the foundation shock absorption sound-insulation reinforcing system of protective building as claimed in claim 1 or 2; it is characterized in that: described elastic shock attenuation sound insulation bearing comprises elastic shock attenuation sound insulation module (1), sound insulation module top board (14) and sound insulation module base plate (15); described sound insulation module top board (14), sound insulation module base plate (15) are connected to the upper and lower side of elastic shock attenuation sound insulation module (1); described sound insulation module top board (14) locates to be provided with pre-embedded bolt (8), and described sound insulation module base plate (15) locates to be provided with embedded sleeve barrel (9).
4. the foundation shock absorption sound-insulation reinforcing system of protective building as claimed in claim 3; it is characterized in that: described elastic shock attenuation sound insulation bearing place is provided with cushion cap (5), lower cushion cap (6) and base plate (7); described elastic shock attenuation sound insulation bearing is arranged between cushion cap (5) and lower cushion cap (6); described base plate (7) is positioned at lower cushion cap (6) below, and described double bracket beam (3) is positioned at the top of cushion cap (5).
5. the foundation shock absorption sound-insulation reinforcing system of protective building as claimed in claim 4, is characterized in that: between described base plate and double bracket beam, be erected with temporary supporting.
CN201420409277.5U 2014-07-23 2014-07-23 The foundation shock absorption sound-insulation reinforcing system of protective building Expired - Fee Related CN203977468U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104099951A (en) * 2014-07-23 2014-10-15 上海康业建筑装饰工程有限公司 Foundation damping and soundproof strengthening system of protective building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104099951A (en) * 2014-07-23 2014-10-15 上海康业建筑装饰工程有限公司 Foundation damping and soundproof strengthening system of protective building

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

Termination date: 20180723

CF01 Termination of patent right due to non-payment of annual fee