CN203096762U - Anti-frost ground beam - Google Patents
Anti-frost ground beam Download PDFInfo
- Publication number
- CN203096762U CN203096762U CN2013200277602U CN201320027760U CN203096762U CN 203096762 U CN203096762 U CN 203096762U CN 2013200277602 U CN2013200277602 U CN 2013200277602U CN 201320027760 U CN201320027760 U CN 201320027760U CN 203096762 U CN203096762 U CN 203096762U
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- ground beam
- frost
- concrete
- grade beam
- freeze expansion
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Abstract
The utility model discloses an anti-frost ground beam which comprises a reinforced concrete ground beam. The anti-frost ground beam is characterized in that an anti-frost channel hole is formed at the bottom of the reinforced concrete ground beam and is formed by concrete small hollow blocks. The anti-frost ground beam is the anti-frost ground beam formed in the mode that a foundation ground beam is directly constructed on the concrete small hollow blocks, the anti-frost channel hole is good in shaping effect and saves operating manpower, the price is low, and construction technology is optimized. A traditional anti-frost ground beam is improved, the ground beam is directly placed on the concrete small hollow blocks, the ground beam and cast-in-place concrete are formed in a one-time mode, the anti-frost channel hole is formed by the concrete small hollow blocks, synchronous construction is carried out on the foundation ground beam and the anti-frost channel hole, installation is convenient, quality safety is ensured, and the anti-frost ground beam is simple in construction procedure, convenient to operate, good in forming quality and capable of shortening a construction period.
Description
Technical field
The utility model belongs to building engineering field, particularly is applicable to a kind of anti-freeze expansion grade beam of severe cold and cold district, and is simple in structure, cheap, is convenient to on-site construction operations, practical.
Background technology
Along with China's rapid economic development, country has strengthened the assistance dynamics to western part and low developed area, the infrastructure construction of severe cold and cold district is quickened, and seasonal frozen ground and frozen soil area progressively are exploited, along with and the building foundation frost heave harm that comes also occurs.No matter be seasonal frozen ground or ever-frozen ground, surface course all exists one deck winter and freezes freezing-melt layer that the summer melts, causes the variation of soil mass property in frozen-thaw process, and foundation deformation, crack take place, and affects the safe in utilization of building.By the building foundation buried depth and corresponding anti-freeze expansion construction measure is set, reduce the harm of frozen soil layer unfreezing, the anti-freeze expansion grade beam on operated by rotary motion building construction basis.
General traditional brickwork anti-freeze expansion grade beam is backfilled to design elevation with the basis earlier, props up then and takes the ground beam bottom board, and colligation grade beam reinforcement installation side template is removed beam bottom board behind the concreting, builds brickwork at last by laying bricks or stones and forms anti-freeze expansion passage hole.This anti-freeze expansion grade beam forms anti-freeze expansion hole passage by brick building, and needs the gradation constructing operation, and anti-freeze expansion hole channel forming weak effect is time-consuming, and the compounding operation that intersects is many.
Summary of the invention
The purpose of this utility model is to overcome the defective that exists in the prior art, by the improvement to the brick anti-freeze expansion grade beam of tradition, provides a kind of structure and technology simple, cheap, is convenient to the anti-freeze expansion grade beam of on-site construction operations.
A kind of anti-freeze expansion grade beam comprises the steel concrete grade beam, it is characterized in that, described steel concrete grade beam bottom is provided with anti-freeze expansion passage hole, and anti-freeze expansion passage hole is formed by concrete small size hollow building block.
Anti-freeze expansion grade beam of the present utility model is the anti-freeze expansion grade beam that a kind of basic grade beam of directly constructing on concrete small size hollow building block forms, and anti-freeze expansion hole channel forming effect is good, has saved operation manually, and is cheap, optimized construction technology.
The utility model improves traditional anti-freeze expansion grade beam,, by directly placing grade beam on concrete small size hollow building block top, ground girder cast-in-place concrete disposal molding forms anti-freeze expansion passage hole by concrete small size hollow building block, and basic grade beam and anti-freeze expansion passage hole are constructed synchronously, it is convenient to install, quality safety is secure, and it is simple to have a working procedure, is convenient to operation, the characteristics that Forming Quality is good can the reduction of erection time.
Anti-freeze expansion grade beam of the present utility model overcomes traditional brick anti-freeze expansion ground girder construction process complexity, and anti-freeze expansion passage hole moulding difference defective is by the improvement to brickwork anti-freeze expansion grade beam, change the moulding of grade beam anti-freeze expansion passage hole, optimizing construction technology, simple to operate, quality safety is secure.And the anti-freeze expansion grade beam has overcome numerous defectives of brick anti-freeze expansion grade beam.
At first the basis is backfilled to design elevation during the construction of anti-freeze expansion grade beam, placing the precast concrete small-sized hollow building block then, serves as the ground beam bottom board with the precast concrete small-sized hollow building block, colligation grade beam reinforcement installation side template, primary concreting concrete, form removal promptly form the anti-freeze expansion grade beam.The concrete small size hollow building block specification is preferably 390mm * 190mm * 190mm, and strength grade is MU10.
Description of drawings
Fig. 1 is an anti-freeze expansion grade beam sectional schematic diagram.
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
The specific embodiment
Anti-freeze expansion grade beam as shown in Figure 1 comprises steel concrete grade beam 1, and steel concrete grade beam 1 bottom is provided with anti-freeze expansion passage hole 3, and this hole is to be formed by concrete small size hollow building block 2.Concrete small size hollow building block is of a size of 390mm * 190mm * 190mm, and strength grade is MU10.
Its preparation method is as follows:
1, technological process
Preparation of construction → pit backfill → placement concrete small size hollow building block → grade beam reinforcing bar binding, template installation → concreting → stripping → inspection of quality → anti-freeze expansion grade beam backfill.
2 key points for operation
2.1 preparation of construction
1, material is prepared: concrete small size hollow building block meets " Small Concrete Hollow Block Building tecnical regulations " (JGJ/T 14-2011) quality requirement, producer provides corresponding product quality certificate of qualification, material, the template of the construction of steel concrete grade beam, preferred grade beam backfill medium coarse sand.
2, technology is prepared: carry out drawing joint hearing work, the elevation dimension of strict control anti-freeze expansion grade beam.
2.2 pit backfill
Basis short column construction finish qualified by inspection after, begin to carry out pit backfill, be backfilled to absolute altitude position, anti-freeze expansion grade beam passage duct.Before the pit backfill, will cheat internal drainage, foreign material are cleaned out, backfill water content control range, parameters such as shop soil thickness and degree of compaction are determined in backfill after hidden acceptance(check), foundation ditch back-filling in layers, compacting are backfilled to anti-freeze expansion grade beam absolute altitude position.
2.3 placement concrete small size hollow building block
Earlier the pit backfill soil layer is carried out levelling, lay one deck sandstone material on the back fill course, use the level gauge levelling.Concrete small size hollow building block should be according to the grade beam position, and the row's piece figure that draws out building block arranges piece, from corner or location beginning, adopts the single face outside hanging wire during placement, and building block is straight, and seam is tight.As the native small-sized hollow building block of coagulating of ground beam bottom board, bigger for the blockhouse slit, be prone to the spillage position, adopt Continuous pressing device for stereo-pattern or mend with cement mortar flat, spillage not when guaranteeing grade beam concreting.
Note placement direction, the position of concrete small size hollow building block, the direction of placing with common building wall is different, and the concrete small size hollow building block hole should parallelly be placed with the grade beam axis direction.
2.4 steel concrete grade beam construction
According to first assembling reinforcement, back mounting template, the order construction grade beam of last building concrete.Select for use the reinforcing bar that detects through the scene according to turning over the blanking of master drawing paper, processing, attentively the beam stress reinforcing bar position can not misplace reinforcement location.When configuration ground beam forms is installed, must adopt wearing bolt during according to the sectional dimension h of beam＞500mm, the steel pipe of template supports must be firm, and support interval is unsuitable excessive, to guarantee enough rigidity, the ground beam side must not damage the concrete small size hollow building block of bottom when installing.The moistening template of should watering before the concreting prevents the dry suction of concrete small size hollow building block, builds in the process and rationally vibrates, and neither leaks to shake and shakes only, and with the concrete surface bleeding bubble that holds one's breath, stone does not sink to being advisable.
Carry out maintenance after the concreting initial set, maintenance generally is no less than 7 days.Striking time determines general 5 according to the intensity that temperature and concrete reach
0The above temperature of C, beam side removably after 3 days.The care should be used to operation must not damage the bottom concrete small size hollow building block in the form removal process.
2.5 inspection of quality
Emphasis is checked grade beam bottom concrete small size hollow building block anti-freeze expansion passage hole, guarantees that concrete small size hollow building block does not have breakage, and hole connects straight, and no building waste blocks the building block hole.When discovery has damaged building block, need to change immediately, guarantee that anti-freeze expansion passage hole is unobstructed.
2.6 anti-freeze expansion grade beam backfill
1, backfill of anti-freeze expansion grade beam and basic backfill are synchronous, carry out the backfill of anti-freeze expansion grade beam position earlier and topple over, and then topple over the backfill of other position.The backfill of medium sand building stones is adopted in anti-freeze expansion grade beam position, and other position is selected backfill for use according to design drawing.
2, should be backfilled to the concrete small size hollow building block position for the first time, with the concrete small size hollow building block covering of grade beam bottom, use light-duty manual rammer compaction in layers then, unsuitable steamroller.
3, the medium coarse sand building stones of selecting for use are irregularly carried out the water content inspection, the backfill higher for water content should in time ted, and treats can carry out backfill after its water content reaches requirement.
4, should rationally arrange the backfill construction order, enough lighting installations are installed in the backfill at night, prevent that filling out super thick causing because of the shop rams leakiness, forbid the muck haulage vehicle directly to fall native to backfill grade beam place.
5, the anti-freeze expansion grade beam at all backfill positions of reply is checked before the backfill construction, and discovery building block breakage is in time repaired, and in the backfilling process, the scene should arrange the professional to patrol, and sends anti-freeze expansion grade beam blockwork breakage and must in time repair.
Claims (2)
1. an anti-freeze expansion grade beam comprises the steel concrete grade beam, it is characterized in that, described steel concrete grade beam bottom is provided with anti-freeze expansion passage hole, and anti-freeze expansion passage hole is formed by concrete small size hollow building block.
2. anti-freeze expansion grade beam as claimed in claim 1 is characterized in that described concrete small size hollow building block is of a size of 390mm * 190mm * 190mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200277602U CN203096762U (en) | 2013-01-17 | 2013-01-17 | Anti-frost ground beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200277602U CN203096762U (en) | 2013-01-17 | 2013-01-17 | Anti-frost ground beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096762U true CN203096762U (en) | 2013-07-31 |
Family
ID=48848179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200277602U Expired - Lifetime CN203096762U (en) | 2013-01-17 | 2013-01-17 | Anti-frost ground beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790431A (en) * | 2015-04-14 | 2015-07-22 | 王愐荣 | Novel pipeline network anti-freeze exit passageway constructing method |
| CN108487332A (en) * | 2018-03-13 | 2018-09-04 | 黑龙江省华岩桩工技术研发有限公司 | Anti-freeze expansion stake and construction method |
| CN112663661A (en) * | 2020-12-17 | 2021-04-16 | 山东三箭建设工程股份有限公司 | Construction method and construction structure for preventing ground settlement caused by backfill loosening under foundation straining beam |
| CN114197542A (en) * | 2021-12-29 | 2022-03-18 | 青岛盈鑫建设集团有限公司 | Building boundary beam frost heaving prevention structure and construction method thereof |
-
2013
- 2013-01-17 CN CN2013200277602U patent/CN203096762U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790431A (en) * | 2015-04-14 | 2015-07-22 | 王愐荣 | Novel pipeline network anti-freeze exit passageway constructing method |
| CN108487332A (en) * | 2018-03-13 | 2018-09-04 | 黑龙江省华岩桩工技术研发有限公司 | Anti-freeze expansion stake and construction method |
| CN112663661A (en) * | 2020-12-17 | 2021-04-16 | 山东三箭建设工程股份有限公司 | Construction method and construction structure for preventing ground settlement caused by backfill loosening under foundation straining beam |
| CN114197542A (en) * | 2021-12-29 | 2022-03-18 | 青岛盈鑫建设集团有限公司 | Building boundary beam frost heaving prevention structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |