CN103741946B - The construction method of clear-water concrete facing vertical construction joint - Google Patents
The construction method of clear-water concrete facing vertical construction joint Download PDFInfo
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- CN103741946B CN103741946B CN201310737711.2A CN201310737711A CN103741946B CN 103741946 B CN103741946 B CN 103741946B CN 201310737711 A CN201310737711 A CN 201310737711A CN 103741946 B CN103741946 B CN 103741946B
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Abstract
The invention provides the construction method of clear-water concrete facing vertical construction joint, relate to constructional materials or building unit preparing technical field at the scene.For the treatment process of vertical construction joint in existing clear-water concrete facing, seam is exposed to outside body of wall, and spillage is serious, and seam is not straight, causes the problem that building integral perception is poor.Method: one, set up wall form, vertical dividing strip is set at the decorative cover of bare concrete wall one to be built, form removal after concreting and retain end head formwork; Two, remove vertical dividing strip and end head formwork, the decorating mask of bare concrete wall one is fluted, and the body of wall top layer between vertical construction joint and groove cuts a bar blocks; Three, vertical dividing strip is flush-mounted in groove again, and sets up the template of bare concrete wall two, concreting, stripping and vertical dividing strip after its sclerosis, the obtained bare concrete wall two be connected with bare concrete wall one.
Description
Technical field
The present invention relates to constructional materials or building unit preparing technical field at the scene, particularly a kind of construction method of clear-water concrete facing vertical construction joint.
Background technology
Clear-water concrete facing has simple and unadorned, naturally sedate outward appearance charm, it inherent thick and heavy and elegant be that some modern architecture materials cannot imitate and match in excellence or beauty, clear-water concrete facing not only has abundant spiritual connotation, but also has environmental protection, energy-conservation feature.Along with the extensive use of clear-water concrete facing, the clear-water concrete facing building of the large scale of construction, large facade also gets more and more, and also progressively improves the quality requirement of clear-water concrete facing.
Clear-water concrete facing require constuction joint straight, without faulting of slab ends etc.But in existing Decorative Construction of Fair-Faced Concrete, the perception of ubiquity clear-water concrete decorative structure self cannot meet the problem of finishing requirements, especially the treatment process of vertical construction joint, as shown in Figure 1, in existing pouring exposed concrete construction, vertical construction joint 1 stays to be located at and builds body of wall A for the first time and build stressed less position between body of wall B for the second time, be illustrated as the joint form of bulky joint 2, because the cement mortar powder in bulky joint 2 groove is difficult to clean out, after making second time concreting, form a slag inclusion layer at bulky joint 2 place and have impact on the bond quality of building body of wall A for the first time and building body of wall B for the second time, leave the hidden danger of percolating water, and because formwork for placing installation difficulty is comparatively large, also there is seam not straight, spillage is serious, the problem of perception weak effect.For this reason, a large amount of so-called clear-water concrete facing only rearward the even look of phase facing form the treatment process of " false clear water ", causing clear-water concrete facing like through whitewashing, the decorative effect of clear-water concrete self cannot be embodied.
Summary of the invention
For the treatment process of vertical construction joint in existing clear-water concrete facing, seam is exposed to outside body of wall, and spillage is serious, and seam is not straight, causes the problem that building integral perception is poor.The object of this invention is to provide a kind of construction method of clear-water concrete facing vertical construction joint, under the prerequisite without the need to too much dropping into, vertical construction joint being hidden in the side of bulky joint, improve the perception effect of clear-water concrete facing vertical construction joint.
The technical solution adopted for the present invention to solve the technical problems, step is as follows:
Step one: erection wall form, at the edge of the decorative cover of bare concrete wall one to be built, vertical dividing strip is set, described vertical dividing strip leaves a distance with the end head formwork in the body of wall horizontal-extending direction of bare concrete wall one to be built described in edge, concreting obtains described bare concrete wall one, removes the template of body of wall both sides and retain described end head formwork after maintenance;
Step 2: remove described vertical dividing strip and described end head formwork, the decorative cover of described bare concrete wall one have remove described vertical dividing strip after obtained groove, the body of wall top layer between vertical construction joint and described groove cuts a bar blocks;
Step 3: described vertical dividing strip is flush-mounted in described groove again, and set up the template of bare concrete wall two to be built, and make template clamp described vertical dividing strip, concreting, described template and described vertical dividing strip is removed, the obtained bare concrete wall two be connected with described bare concrete wall one after its sclerosis.
Further, in described step one, the end of described vertical dividing strip and the beeline of described vertical construction joint are 5mm ~ 15mm.
Further, in described step 2, the degree of depth D2 of the described bar blocks cut is 8mm ~ 12mm.
The degree of depth D2 of the described bar blocks cut is 10mm.
Preferably, the cross section semicircular in shape of described vertical dividing strip, triangle or trapezoidal, and one end of described cross-sectional openings flaring is towards the outside of described bare concrete wall one.
Described vertical dividing strip is made up of pvc material.
Effect of the present invention is: the construction method of clear-water concrete facing vertical construction joint of the present invention, in conjunction with facade, the vertical groove with one fixed width is set consciously in the position of vertical construction joint, weaken the existence of vertical construction joint, and continue to use the template system of vertical construction joint in general Fair faced Concrete Structural Construction, by a small amount of walls concrete between finishing bare concrete wall upper groove and vertical construction joint after form removal, the vertical construction joint formed between the bare concrete wall of first after-pouring is made to be hidden in the side of groove, and can ensure that vertical construction joint is straight, smooth, and, the vertical construction joint being arranged at groove side ensure that the creep gradient and the distance of water, thus prevent percolating water.Namely construction method of the present invention meets the perception requirement of clear-water concrete facing in the dry concrete construction stage, after whole clear-water concrete facing completes, body of wall alien invasion visually forms the moulding of groove type, and vertical construction joint is by the side being hidden in groove, even if under the prerequisite not doing any repairing, architectural surface, also the existence perceiveing vertical construction joint is difficult to, can meet the vision requirement of clear-water concrete facing completely, the perception effect of more general clear-water concrete vertical construction joint is greatly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of clear-water concrete facing vertical construction joint in prior art;
Fig. 2 to Fig. 6 is the schematic diagram of the construction method of the clear-water concrete facing vertical construction joint of one embodiment of the invention.
Detailed description of the invention
Be described in further detail below in conjunction with the construction method of the drawings and specific embodiments to the clear-water concrete facing vertical construction joint that the present invention proposes.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention 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 solution of the present invention.
The construction method of clear-water concrete facing vertical construction joint of the present invention is described below in conjunction with Fig. 2 to Fig. 6, the present embodiment is for the treatment process of the vertical construction joint of fair-faced concrete outer wall facing in certain engineering, in figure, C side represents outdoor, and D side represents indoor, and concrete steps are as follows:
Step one: as shown in Figure 2, erection wall form, comprise template (not shown) and the end head formwork 12 of body of wall both sides, at the edge of the decorative cover (i.e. C side wall body) of bare concrete wall 1 to be built, vertical dividing strip 11 is set, vertical dividing strip 11 leaves a distance D1 with the end head formwork 12 being positioned at body of wall horizontal-extending direction, concreting obtains bare concrete wall 1, removes the template of body of wall both sides and retain end head formwork 12 after maintenance; End head formwork 12 can adopt general template system, as machine-processed nine clamping plate, detailed catalogue expanded metal lath etc.
Step 2: as shown in Figure 3 and Figure 4, wherein Fig. 4 is the partial enlarged drawing of part A in Fig. 3, after removing vertical dividing strip 11 and end head formwork 12, bare concrete wall 1 decorative cover has removes the rear obtained groove 13 of vertical dividing strip 11, then, C side wall surface layer between vertical construction joint 14 and groove 13 cuts dotted portion and inclination grid in a bar blocks 15, Fig. 4 and fill the bar blocks 15 namely representing and cut, and cleaning surface;
Step 3: as shown in Figure 5, vertical dividing strip 11 is flush-mounted in groove 13 again, and set up the template 30 of bare concrete wall 2 20 to be built, and make template 30 clamp vertical dividing strip 11, and then, concreting, after its sclerosis, stripping 30 and vertical dividing strip 11, as shown in Figure 6, the obtained bare concrete wall 2 20 be connected with bare concrete wall 1.
In above-mentioned steps one, the end of vertical dividing strip 11 and the beeline D1 of vertical construction joint 14 are 5mm ~ 15mm, when this beeline D1 is excessive, cut workload can strengthen, affect construction speed, and when this beeline D1 is too small, the concrete wall between groove 13 and vertical construction joint 14 are known from experience and are formed wedge angle, for subsequent construction is made troubles, the preferred beeline D1 of the present embodiment is 10mm.
In above-mentioned steps two, as shown in Figure 4, the degree of depth D2 of the bar blocks 15 cut is 8mm ~ 12mm, degree of depth D2 should be less than the thickness of vertical dividing strip 11, but when the degree of depth D2 of bar blocks 15 is too small, the top layer that follow-up bare concrete wall 2 20 of building and bare concrete wall 1 are connected mutually is excessively thin, and cracky or come off, therefore, in the present embodiment, the degree of depth D2 of bar blocks 15 is preferably 10mm.
Preferably, the cross section semicircular in shape of vertical dividing strip 11, triangle or trapezoidal etc., and one end of its cross-sectional openings flaring is towards the outside of bare concrete wall 1, the C side namely in figure.The setting that vertical dividing strip 11 is wide outside and narrow inside, is convenient to it and takes out by the body of wall after hardened forming.
Vertical dividing strip 11 is preferably made up of pvc material, its groove width can be 10mm, 15mm, 20mm or 30mm etc., the preferred 40mm of the present embodiment, the size of groove width has certain association with the decorative effect of Shimizu concrete building construction alien invasion, therefore, should determine according to the needs of architectural design, but should not 30mm be less than.
The construction method of clear-water concrete facing vertical construction joint of the present invention, in conjunction with facade, the vertical groove with one fixed width is set consciously in the position of vertical construction joint, weaken the existence of vertical construction joint, and continue to use the template system of vertical construction joint in general Fair faced Concrete Structural Construction, by a small amount of walls concrete between finishing bare concrete wall upper groove and vertical construction joint after form removal, the vertical construction joint formed between the bare concrete wall of first after-pouring is made to be hidden in the side of groove, and can ensure that vertical construction joint is straight, smooth, and, the vertical construction joint being arranged at groove side ensure that the creep gradient and the distance of water, thus prevent percolating water.Namely construction method of the present invention meets the perception requirement of clear-water concrete facing in the dry concrete construction stage, after whole clear-water concrete facing completes, body of wall alien invasion visually forms the moulding of groove type, and vertical construction joint is by the side being hidden in groove, even if under the prerequisite not doing any repairing, architectural surface, also the existence perceiveing vertical construction joint is difficult to, can meet the vision requirement of clear-water concrete facing completely, the perception effect of more general clear-water concrete vertical construction joint is greatly improved.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (6)
1. the construction method of clear-water concrete facing vertical construction joint, step is as follows:
Step one: erection wall form, at the edge of the decorative cover of bare concrete wall one to be built, vertical dividing strip is set, described vertical dividing strip leaves a distance with the end head formwork in the body of wall horizontal-extending direction of bare concrete wall one to be built described in edge, concreting obtains described bare concrete wall one, removes the template of body of wall both sides and retain described end head formwork after maintenance;
Step 2: remove described vertical dividing strip and described end head formwork, the decorative cover of described bare concrete wall one have remove described vertical dividing strip after obtained groove, the body of wall top layer between vertical construction joint and described groove cuts a bar blocks;
Step 3: described vertical dividing strip is flush-mounted in described groove again, and set up the template of bare concrete wall two to be built, and make template clamp described vertical dividing strip, concreting, described template and described vertical dividing strip is removed, the obtained bare concrete wall two be connected with described bare concrete wall one after its sclerosis.
2. construction method according to claim 1, is characterized in that: in described step one, and the end of described vertical dividing strip and the beeline of described vertical construction joint are 5mm ~ 15mm.
3. construction method according to claim 1, is characterized in that: in described step 2, and the degree of depth D2 of the described bar blocks cut is 8mm ~ 12mm.
4. construction method according to claim 3, is characterized in that: the degree of depth D2 of the described bar blocks cut is 10mm.
5. the construction method according to any one of Claims 1-4, is characterized in that: the cross section semicircular in shape of described vertical dividing strip, triangle or trapezoidal, and one end of described cross-sectional openings flaring is towards the outside of described bare concrete wall one.
6. construction method according to claim 5, is characterized in that: described vertical dividing strip is made up of pvc material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737711.2A CN103741946B (en) | 2013-12-27 | 2013-12-27 | The construction method of clear-water concrete facing vertical construction joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310737711.2A CN103741946B (en) | 2013-12-27 | 2013-12-27 | The construction method of clear-water concrete facing vertical construction joint |
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| CN103741946A CN103741946A (en) | 2014-04-23 |
| CN103741946B true CN103741946B (en) | 2016-01-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104164967B (en) * | 2014-04-11 | 2016-06-22 | 中国水利水电第十一工程局有限公司 | A kind of Shimizu concrete template construction technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3704136C1 (en) * | 1987-01-17 | 1988-07-14 | Buescher Pebueso Beton | Sealing arrangement for hollow concrete profile parts which are to be sealed with respect to one another |
| CN102409767A (en) * | 2011-11-15 | 2012-04-11 | 吴兆圣 | Waterproof leaking stoppage structure of building seam and construction method |
| CN102518216A (en) * | 2011-12-27 | 2012-06-27 | 江西中联建设集团有限公司 | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure |
| CN103114654A (en) * | 2013-01-31 | 2013-05-22 | 中国建筑第七工程局有限公司 | Novel concrete composite plate seam structure |
| CN203096961U (en) * | 2013-03-09 | 2013-07-31 | 熊艳芳 | Repairing constitution for concrete cracks |
-
2013
- 2013-12-27 CN CN201310737711.2A patent/CN103741946B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3704136C1 (en) * | 1987-01-17 | 1988-07-14 | Buescher Pebueso Beton | Sealing arrangement for hollow concrete profile parts which are to be sealed with respect to one another |
| CN102409767A (en) * | 2011-11-15 | 2012-04-11 | 吴兆圣 | Waterproof leaking stoppage structure of building seam and construction method |
| CN102518216A (en) * | 2011-12-27 | 2012-06-27 | 江西中联建设集团有限公司 | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure |
| CN103114654A (en) * | 2013-01-31 | 2013-05-22 | 中国建筑第七工程局有限公司 | Novel concrete composite plate seam structure |
| CN203096961U (en) * | 2013-03-09 | 2013-07-31 | 熊艳芳 | Repairing constitution for concrete cracks |
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Inventor after: Wu Yile Inventor after: Zhu Jiajun Inventor after: Chen Xin Inventor before: Wu Yile Inventor before: Zhu Jiajun |
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