CN204571211U - A kind of concrete floor - Google Patents
A kind of concrete floor Download PDFInfo
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- CN204571211U CN204571211U CN201520130308.8U CN201520130308U CN204571211U CN 204571211 U CN204571211 U CN 204571211U CN 201520130308 U CN201520130308 U CN 201520130308U CN 204571211 U CN204571211 U CN 204571211U
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Abstract
The utility model discloses a kind of concrete floor, belong to technical field of building construction, for solving industrial premises or warehouse terrace does not have terrace stake, there is sedimentation, depression in terrace bed course underlying base layer soil body part, thus affects the problem of floor construction quality.This concrete floor, comprises the layer of concrete be fixed on below terrace bed course, and is covered in the terrace layer above terrace bed course; Layer of concrete and terrace bed course consolidation are integrated, and the lower end of layer of concrete is run through terrace bed course and goed deep in the basic unit's soil body below terrace bed course.This concrete floor, by cast-in-situ concrete layer between terrace bed course and basic unit's soil body, improve the basic unit's soil bearing capacity below terrace and compactness, effectively fill up the gap between terrace bed course and basic unit's soil body, thus effectively prevent terrace because its underlying base layer soil bearing capacity is not enough or the factor such as leakiness and the sedimentation that produces, ensure that the construction quality of terrace.
Description
Technical field
The utility model relates to technical field of building construction, is specifically related to a kind of concrete floor.
Background technology
Usually, one deck terrace actual use carrying of factory building or depot establishment is relatively high, and when not arranging terrace stake in the basic unit's soil body below terrace, the carrying of this one deck terrace relies on the compactness of basic unit's soil body completely.And the basic unit's soil body be positioned at below terrace bed course carried out excavation when foundation construction, although backfill time carried out the treatment measures such as compaction in layers, its compactness inevitably reduces, and at an upper portion thereof structure construction time, built terrace bed course.During this Superstructure Construction, using terrace bed course as framed bent basic unit, when constructing to one deck terrace, the construction of distance terrace bed course is separated by the long period, local terrace bed course there will be the situation of sinking, depression, and the basic unit's soil body sedimentation situation below terrace bed course cannot clearly be grasped.Therefore, before the construction carrying out one deck terrace, for the basic unit's soil body below the terrace bed course of having constructed, provide the concrete floor that a kind of basic unit soil body is closely knit, thus ensure that floor construction quality is the technical problem that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is to provide a kind of concrete floor, and to solve industrial premises or warehouse terrace does not have terrace stake, sedimentation, depression appear in terrace bed course underlying base layer soil body part, thus affect the problem of floor construction quality.For solving the problems of the technologies described above, the utility model provides and a kind ofly can improve the bearing capacity of the terrace bed course underlying base layer soil body and the concrete floor of compactness.
To achieve these goals, the technical solution of the utility model is:
A kind of concrete floor, described terrace comprises some terrace unit, comprising: be fixed on the layer of concrete below terrace bed course, and is covered in the terrace layer above described terrace bed course; Described layer of concrete and described terrace bed course consolidation are integrated, and the lower end of described layer of concrete is run through described terrace bed course and goed deep in the basic unit's soil body below described terrace bed course.
Further, described layer of concrete builds formation by offering injected hole on described terrace bed course, the described layer of concrete that each described terrace unit is corresponding comprises five slip casting buttresses, and described five slip casting buttresses are arranged at four of the described terrace bed course belows to angle point and central point respectively.
Further, the height of described slip casting buttress is consistent.
Further, the water/binder ratio of described slurries is 0.55 ~ 0.60.
Further, be laid with Grouting Pipe in described injected hole, described in every root, Grouting Pipe design bearing pressure is 0.2 ~ 0.3MPa.
Further, described in every root, the grouting amount of Grouting Pipe is not less than 0.8t.
Compared with prior art, tool has the following advantages and beneficial effect the utility model: concrete floor of the present utility model, comprises the layer of concrete be fixed on below terrace bed course, and is covered in the terrace layer above terrace bed course; Layer of concrete and terrace bed course consolidation are integrated, and the lower end of layer of concrete is run through terrace bed course and goed deep in the basic unit's soil body below terrace bed course.That is, before the construction of terrace layer, to be set up an office slip casting by piecemeal on terrace bed course, thus layer of concrete is formed between terrace bed course and basic unit's soil body, support each terrace unit, improve the basic unit's soil bearing capacity below terrace and compactness, effectively filled up the gap between terrace bed course and basic unit's soil body, thus the sedimentation preventing terrace from producing because of its factor such as underlying base layer soil bearing capacity deficiency or leakiness, ensure that the construction quality of terrace.
Accompanying drawing explanation
Fig. 1 is the position view of slip casting point on terrace bed course in the utility model one embodiment.
In figure, 10-terrace unit, 11-parting seam;
20-terrace bed course, 21-injected hole, 22-detect aperture.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the concrete floor that the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solutions of the utility model.
Embodiment one
This engineering is factory building, and one deck terrace actual use carrying is higher, but does not design terrace stake below the terrace layer of one deck terrace, and this just requires that the basic unit's soil body below one deck terrace has good compactness.But, when excavating and build terrace cushion construction, excavation disturbance has been in one end that the basic unit's soil body below terrace bed course is close to terrace bed course, compared with the basic unit's soil body not having excavation disturbance to cross with other, the compactness of the soil body be disturbed declines, and bearing capacity and anti-settling ability also decline thereupon.In this engineering, need terrace bed course of first constructing, then utilize terrace bed course as framed bent base layer construction superstructure, after Superstructure Construction completes, then terrace layer of constructing, otherwise can damage terrace in Superstructure Construction process.But because the duration of superstructure is longer, construction one deck terrace layer is separated by half a year with construction terrace bed course, and local terrace bed course has occurred sinking, the situation of depression.Therefore, in order to ensure the construction quality of terrace, needing the basic unit's soil body below to terrace bed course to reinforce, thus forming concrete floor of the present utility model
Below in conjunction with Fig. 1, describe the utility model concrete floor in detail.
As shown in Figure 1, by cast-in-situ concrete above terrace bed course 20 in the present embodiment, form terrace layer.Terrace comprises some terrace unit 10, is provided with parting seam 11 between adjacent terrace unit 10.Concrete floor of the present utility model comprises the layer of concrete be fixed on below terrace bed course 20, and the terrace layer be covered in above terrace bed course, layer of concrete and terrace bed course consolidation are integrated, and the lower end of layer of concrete to be run through below terrace bed course and goed deep in the basic unit's soil body below terrace bed course.
The construction method of concrete floor of the present utility model, specifically comprises the steps:
S101: below the terrace unit 10 that every block is to be built, and the terrace bed course 20 of having constructed chooses some slip casting point, and mark.
S102: place offers injected hole 21 at slip casting point, going down to the grass-roots units in the old soil of the soil body in injected hole 21 bottom, and lays Grouting Pipe in injected hole 21.
S103: prepared slarry.
S104: slurries are injected in injected hole 21 by Grouting Pipe.
S105: pull out Grouting Pipe and shutoff injected hole 21.
Specifically, need in factory building, warehouse etc. large area to build in the construction of terrace, in order to avoid terrace cracking, ensure good ground rigid waterproofing effect, parting seam 11 is artificially set.Parting seam 11 method to set up is by design and construction ground, reaches after final set, by the lattice requirement bullet line of ink marker, use cutter special joint-cutting, meet dark 50mm, fill out the pitch cementation of fissures until concrete strength.In the present embodiment, one deck terrace way is the C30 steel concrete that 200mm is thick, and (diameter is the reinforcing bar of 12mm inside to join 12@200, according to spacing 200mm tiling) double-layer double-direction reinforcing bar, Eloor Design carrying 20 ~ 50KPa, parting seam 11 divides according to axis, average headway about 15 meters.Layer of concrete in the present embodiment is the basic unit's soil body for reinforcing below terrace bed course 20, layer of concrete builds formation by offering injected hole on terrace bed course 20, the layer of concrete of each terrace unit 10 correspondence comprises five slip casting buttresses, and five slip casting buttresses are arranged at four of terrace bed course 20 belows to angle point and central point respectively.That is, for each terrace unit 10, prevent this terrace unit 10 from producing differential settlement by the acting in conjunction being arranged at the layer of concrete (slip casting buttress) below it, thus improve the bearing capacity of this terrace unit 10.In other words, the layer of concrete below all terrace unit 10 ensures the bearing capacity of whole terrace as a whole, and prevents terrace from producing differential settlement, thus ensures terrace quality.Like this, by some slip casting buttresses cast-in-place on terrace bed course 20, each slip casting buttress runs through terrace bed course and gos deep into the method in the old soil (not having the soil body of disturbance in the basic unit's soil body below terrace bed course 20) of the basic unit's soil body below terrace bed course 20, reaches and prevents terrace from producing crack because of differential settlement and the object ensureing terrace bearing capacity.
When making layer of concrete, in order to form uniform slip casting buttress, before slip casting, the terrace bed course 20 first below each terrace unit 10 to be built choosing some slip casting point, and marks.Then, offering injected hole 21 in the slip casting point place correspondence carrying out mark, goes down to the grass-roots units in the old soil of the soil body in the bottom of injected hole.Thickness due to terrace is set, and the degree of depth of injected hole 21 is also set, and so the grouting amount of the aperture of injected hole 21 mainly required for each slip casting buttress is determined.In order to not affect the duration, after having offered injected hole 21, in each injected hole 21, lay Grouting Pipe in time, and it is for subsequent use to make slurries.Then the slurries prepared are injected in each injected hole 21 by Grouting Pipe.Often complete the slip casting work of an injected hole 21, the Grouting Pipe in this injected hole will be pulled out in time, and complete the shutoff of this injected hole 21 in time.
Preferably, the while of considering cost-effective, reach and reinforce closely knit effect preferably, terrace bed course 20 below each terrace unit 10 to be built evenly lays five slip casting points, five slip casting points are arranged on terrace bed course 20, and five slip casting points are uniformly distributed in four of each terrace unit 10 place to be built on angle point and central point.That is, with parting seam 11 for boundary, by terrace people for being divided into some terrace unit 10, the terrace bed course 20 of each terrace unit 10 correspondence is all established five slip casting points.Certainly, when arranging slip casting point, Reference Design drawing, avoiding cushion cap position.After having chosen slip casting point, slip casting point can be marked by paint, pigment pen etc. on terrace bed course 20.Then, offer the consistent injected hole of the degree of depth 21 at each slip casting point place, to pass through the consistent slip casting buttress of subsequent handling slip casting height of formation, and by the layer of concrete of highly consistent slip casting buttress composition, good supporting role is formed to terrace.When laying Grouting Pipe, according to Force Calculation, in order to prevent jack-up terrace bed course 20, affect the stability of terrace bed course 20, every root Grouting Pipe design bearing pressure is 0.2 ~ 0.3MPa, and the grouting amount of every root Grouting Pipe is not less than 0.8t.Especially, in order to prevent, slip casting is not enough or slip casting is excessive, the terrace bed course 20 of each terrace unit 10 correspondence offers 1 ~ 2 detect aperture 22, in order to observe the closely knit situation of slip casting of the basic unit's soil body below terrace bed course 20.
Certainly, in order to reach the closely knit effect of good slip casting, the making of slurries is also very crucial.In the present embodiment, make layer of concrete slurries adopt straight cement, water/binder ratio controls between 0.55 ~ 0.60.When slurries make, in agitator, add cement and water in proportion, and stir, in order to form uniform and stable slurries, mixing time is no less than 2 minutes.Observe the closely knit situation of slip casting by detect aperture 22, complete the slip casting work at each injected hole 21 place, form slip casting buttress, and shutoff detect aperture 22.Like this, in the concrete floor of the present embodiment, below each terrace unit 10, define slip casting buttress, support terrace unit 10, both avoided terrace underlying base layer soil body leakiness and caused the defect of terrace sedimentation, having turn improved the bearing capacity of the terrace entirety that terrace unit 10 is formed.
In sum, the concrete floor that the utility model provides, comprises the layer of concrete be fixed on below terrace bed course, and is covered in the terrace layer above terrace bed course; Layer of concrete and terrace bed course consolidation are integrated, and the lower end of layer of concrete is run through terrace bed course and goed deep in the basic unit's soil body below terrace bed course.That is, before the construction of terrace layer, to be set up an office slip casting by piecemeal on terrace bed course, form layer of concrete, support each terrace unit, improve the basic unit's soil bearing capacity below terrace and compactness, effectively fill up the gap between terrace bed course and basic unit's soil body, thus the sedimentation preventing terrace from producing because of its factor such as underlying base layer soil bearing capacity deficiency or leakiness, ensure that the construction quality of terrace.
Foregoing description is only the description to the utility model preferred embodiment; any restriction not to the utility model scope; any change that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (6)
1. a concrete floor, described terrace comprises some terrace unit, it is characterized in that, comprising: be fixed on the layer of concrete below terrace bed course, and is covered in the terrace layer above described terrace bed course; Described layer of concrete and described terrace bed course consolidation are integrated, and the lower end of described layer of concrete is run through described terrace bed course and goed deep in the basic unit's soil body below described terrace bed course.
2. concrete floor as claimed in claim 1, it is characterized in that, described layer of concrete builds formation by offering injected hole on described terrace bed course, the described layer of concrete that each described terrace unit is corresponding comprises five slip casting buttresses, and described five slip casting buttresses are arranged at four of the described terrace bed course belows to angle point and central point respectively.
3. concrete floor as claimed in claim 2, it is characterized in that, the height of described slip casting buttress is consistent.
4. concrete floor as claimed in claim 2, it is characterized in that, the slurries for building described layer of concrete comprise cement and water, and the water/binder ratio of described slurries is 0.55 ~ 0.60.
5. concrete floor as claimed in claim 2, is characterized in that, be laid with Grouting Pipe in described injected hole, and described in every root, Grouting Pipe design bearing pressure is 0.2 ~ 0.3MPa.
6. concrete floor as claimed in claim 5, it is characterized in that, described in every root, the grouting amount of Grouting Pipe is not less than 0.8t.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130308.8U CN204571211U (en) | 2015-03-06 | 2015-03-06 | A kind of concrete floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130308.8U CN204571211U (en) | 2015-03-06 | 2015-03-06 | A kind of concrete floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204571211U true CN204571211U (en) | 2015-08-19 |
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ID=53863870
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130308.8U Expired - Fee Related CN204571211U (en) | 2015-03-06 | 2015-03-06 | A kind of concrete floor |
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| CN (1) | CN204571211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088530A (en) * | 2016-06-29 | 2016-11-09 | 中冶建工集团有限公司 | Large area method for constructing terrace |
| CN107762107A (en) * | 2017-09-06 | 2018-03-06 | 上海全筑建筑装饰集团股份有限公司 | A kind of technique for preventing surface layer from settling in floor heating construction |
-
2015
- 2015-03-06 CN CN201520130308.8U patent/CN204571211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088530A (en) * | 2016-06-29 | 2016-11-09 | 中冶建工集团有限公司 | Large area method for constructing terrace |
| CN106088530B (en) * | 2016-06-29 | 2019-01-01 | 中冶建工集团有限公司 | Large area method for constructing terrace |
| CN107762107A (en) * | 2017-09-06 | 2018-03-06 | 上海全筑建筑装饰集团股份有限公司 | A kind of technique for preventing surface layer from settling in floor heating construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 |