CN102425310A - Assembly-type residential shear wall structural wall body vertical connection construction method - Google Patents
Assembly-type residential shear wall structural wall body vertical connection construction method Download PDFInfo
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- CN102425310A CN102425310A CN2011104200249A CN201110420024A CN102425310A CN 102425310 A CN102425310 A CN 102425310A CN 2011104200249 A CN2011104200249 A CN 2011104200249A CN 201110420024 A CN201110420024 A CN 201110420024A CN 102425310 A CN102425310 A CN 102425310A
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Abstract
The invention relates to a prefabricated shear wall body vertical connection construction method, in particular to an assembly-type residential shear wall structural wall body vertical connection construction method, which is characterized in that: when a prefabricated lower layer wall body is connected with a prefabricated upper layer wall body, supporting leg parts on two ends of the bottom part of a shear wall body are connected with each other through a reinforced bushing anchoring grouting method, and preformed steel reinforced parts on the middle part of the shear wall are connected with each other through a binding and overlapping method. When an upper layer wall body is prefabricated, anchoring connection bushings are respectively embedded on the supporting leg parts on two ends of the shear wall, the middle part of the shear wall is produced into a feeding passage for pouring concrete at a later period by embedding a steel bushing, self-compacting concrete is poured towards the middle part of the shear wall from a feeding port on the top part of the feeding passage, and high-strength grouting materials are fulfilled into the anchoring connection bushing at high pressure through a high-pressure grouting machine. Due to the adoption of the method, the quantity of the connection bushing can be reduced, the cost can be saved, and the connection quality and the connection speed can be improved. The weaknesses of the traditional shear wall vertical connection installation process that the cost is high, the construction speed is slow, the quality is difficult to control, and the like can be overcome.
Description
Technical field:
The present invention relates to the vertical connection construction method of prefabricated shear wall body of wall, specifically is the vertical connection construction method of a kind of assembled-type house parts of shear wall structure wall body.
Background technology:
At present; In the vertical installation process of prefabricated shear wall body of wall; The longitudinal reinforcement of node and seam crossing connects and adopts sleeves grouting connection, mechanical connections more, is welded to connect and connected mode such as anchor connection indirectly; These connected mode technical requirementss are high, and difficulty of construction is big, has directly caused the increase of construction cost.
Summary of the invention:
The present invention is intended to solve high, slow, the uppity shortcoming of quality of speed of application of cost that the vertical connection construction method of traditional shear wall exists, and a kind of easy to control the quality, vertical connection construction method of assembled-type house parts of shear wall structure wall body simple, with low cost of constructing is provided.
The technical scheme that the present invention addresses the above problem employing is:
The vertical connection construction method of a kind of assembled-type house parts of shear wall structure wall body, carry out as follows:
A. prefabricated lower floor body of wall: during prefabricated lower floor body of wall; The sleeve anchor connection reinforcing bar extension at supporting leg position, shear wall two ends is not less than anchorage length, and the overlap joint connecting reinforcement length in reserve of shear wall middle part bar splicing jointing is not less than the colligation overlap joint and connects length;
B. prefabricated upper strata body of wall: during the body of wall of prefabricated upper strata, at the pre-buried anchor connection sleeve of inside concrete at the supporting leg position at shear wall two ends, said anchor connection sleeve is connected with upper strata sleeve anchor connection reinforcing bar; At shear wall middle part bar splicing jointing pre-buried steel sleeve pipe; The placed in the middle setting of said steel sleeve is embedded in the concrete; And vertically connect whole shear wall body of wall; After reaching design strength 70%, the concrete of treating prefabricated shear wall body of wall extracts steel sleeve again out, thus at the inner blanking channel that forms the later stage concreting of shear wall body of wall;
C. upper and lower two-layer body of wall butt joint: at lower floor's body of wall position construction to be connected one deck seat slurry mortar; Lift by crane the upper strata body of wall then; The pre-buried anchor connection sleeve in body of wall leg section position, upper strata is aimed at the sleeve anchor connection reinforcing bar in lower floor's body of wall; Adjust the colligation overlap joint reinforcing bar position in the two body of wall middle part bar splicing jointings simultaneously, after adjusting, again the upper strata body of wall is slowly fallen; And it is firm tiltedly to draw support to carry out with the special-purpose body of wall of prefabricated units, and the reinforcing bar binding overlap joint that carries out then in the bar splicing jointing connects;
D. slip casting and concreting: the first step, with the high-pressure slip-casting machine anchor connection sleeve at supporting leg position, shear wall two ends is carried out high-pressure slip-casting, till the anchor connection sleeve is all filled with high-strength grout; In second step, repair colligation overlap joint rebar spacing and position in the adjustment bar splicing jointing, and this position is reconfigured template carry out shutoff; In the 3rd step, the top feed opening of body of wall blanking channel is aided with grout hopper and cooperates and to build self-compacting concrete from the upper strata, treat that self-compacting concrete reaches certain intensity after, stripping, so far, two-layer up and down prefabricated shear wall body of wall vertically connects construction and finishes.
Technical scheme according to the invention; Adopted the sleeve anchoring to be connected the method that combines with overlap joint; Promptly adopt sleeve to connect at shear wall body of wall supporting leg position, two ends, bottom (also claiming sleeve anchor connection section) to be connected, reserved steel bar position (also claiming the bar splicing jointing) adopts the colligation overlap joint to connect in the middle of the shear wall.Compared with prior art, its beneficial effect is:
1. reduce the connection number that the anchor connection sleeve connects, greatly reduced construction cost.
2. because of having reduced anchor connection sleeve connection number, the up and down two-layer body of wall that makes more or less freely when making on-the-spot the installation docks, thereby has accelerated installation rate greatly, has practiced thrift man-hour.
What adopted 3. prefabricated shear wall body of wall middle part is that the reinforcing bar binding overlap joint connects, and installs template at last again and carries out cast-in-placely again, makes the easy to control the quality of this connecting portion like this, thereby guarantees architecture quality.
Description of drawings:
Fig. 1 is the structural representation of lower floor's body of wall.
Fig. 2 is a 1-1 sectional view among Fig. 1.
Fig. 3 is the structural representation of upper strata body of wall.
Fig. 4 is a 2-2 sectional view among Fig. 3.
Fig. 5 is that upper and lower layer body of wall connects sketch map.
Fig. 6 is an A portion enlarged drawing among Fig. 5.
Fig. 7 is a B portion enlarged drawing among Fig. 5.
Among the figure: 1-lower floor body of wall, 2-lower floor sleeve anchor connection reinforcing bar, 3-lower floor overlap joint connecting reinforcement, 4-upper strata body of wall; 5-anchor connection sleeve, 6-upper strata overlap joint connecting reinforcement, 7-upper strata sleeve anchor connection reinforcing bar; The 8-blanking channel, 9-sleeve venthole, 10-sleeve grout hole; 11-seat slurry mortar, 12-high-strength grout, 13-self-compacting concrete.
The specific embodiment:
Below in conjunction with accompanying drawing and embodiment the present invention is detailed.
The vertical connection construction method of the described assembled-type house parts of shear wall structure wall body of present embodiment, its step is following:
A. prefabricated lower floor body of wall 1:
Referring to Fig. 1, Fig. 2; Lower floor's sleeve anchor connection reinforcing bar 2 extensions at supporting leg position, lower floor's body of wall 1 two ends should meet the requirement of sleeve grouting technique; The anchorage length of reinforcing bar in sleeve is controlled in 120-150mm scope, and lower floor's overlap joint connecting reinforcement 3 extensions of middle part bar splicing jointing are generally 41D (D is a bar diameter).
B. prefabricated upper strata body of wall 4:
Referring to Fig. 3, Fig. 4; The inside concrete at supporting leg position, upper strata body of wall 4 two ends is embedded with two anchor connection sleeves 5; This anchor connection sleeve 5 effectively connects with upper strata sleeve anchor connection reinforcing bar 6 earlier; During lower floor to be installed body of wall 1, the center distance that connects 2, two anchor connection sleeves 5 of lower floor's sleeve anchor connection reinforcing bars with this anchor connection sleeve 5 again is 150mm; Pre-buried two diameters of shear wall middle part bar splicing jointing are the 100mm steel sleeve; The placed in the middle setting of two steel sleeves is embedded in the concrete; Spacing is 850mm; And vertically connect whole shear wall body of wall, after the concrete of treating prefabricated shear wall body of wall reaches design strength 70%, extract steel sleeve out with mechanical means again; And the preformed hole that inner two diameters that form of shear wall body of wall this moment are 100mm will be built this blanking channel 8 closely knit during concreting as the blanking channel 8 of later stage concreting together.
C. lower floor's body of wall is installed in butt joint:
Referring to Fig. 5, Fig. 6 and Fig. 7; At the thick special-purpose seat slurry mortar 11 of lower floor's body of wall 1 position construction one deck 15mm to be connected; Adopt the special-purpose prefabricated units suspender upper strata body of wall 4 of slinging with crane then; Lower floor's sleeve anchor connection reinforcing bar 2 that the pre-buried anchor connection sleeve 5 in upper strata body of wall 4 supporting leg positions is aimed in lower floor's body of wall 1 makes lower floor's sleeve anchor connection reinforcing bar 2 stretch into anchor connection sleeve 5, adjusts the lower floor's overlap joint connecting reinforcement 3 of treating colligation and overlap joint connecting reinforcement 6 positions, upper strata in the two body of wall middle part bar splicing jointings simultaneously; After adjusting; Again upper strata body of wall 4 is slowly fallen, and it is firm tiltedly to draw support to carry out with the special-purpose body of wall of prefabricated units, carries out the reinforcing bar binding overlap joint then and connects.
D. slip casting and concreting: the first step, with the high-pressure slip-casting machine anchor connection sleeve 5 at supporting leg position, shear wall two ends is carried out high-pressure slip-casting, till anchor connection sleeve 5 is all filled with high-strength grout 12; In second step, repair spacing and position that the interior lower floor of adjustment bar splicing jointing overlaps connecting reinforcement 3 and upper strata overlap joint connecting reinforcement 6, and this position is reconfigured template with the position shutoff of body of wall groove; In the 3rd step, the top feed opening of body of wall 4 blanking channels 8 is aided with grout hopper and cooperates and to build self-compacting concrete 13 from the upper strata, treat that self-compacting concrete 13 reaches certain intensity after, stripping.
So far, two-layer up and down prefabricated shear wall body of wall vertically connect the construction finish.
Claims (1)
1. vertical connection construction method of assembled-type house parts of shear wall structure wall body, carry out as follows:
A. prefabricated lower floor body of wall: during prefabricated lower floor body of wall; The sleeve anchor connection reinforcing bar extension at supporting leg position, shear wall two ends is not less than anchorage length, and the overlap joint connecting reinforcement length in reserve of shear wall middle part bar splicing jointing is not less than the colligation overlap joint and connects length;
B. prefabricated upper strata body of wall: during the body of wall of prefabricated upper strata, at the pre-buried anchor connection sleeve of inside concrete at the supporting leg position at shear wall two ends, said anchor connection sleeve is connected with upper strata sleeve anchor connection reinforcing bar; At shear wall middle part bar splicing jointing pre-buried steel sleeve pipe; The placed in the middle setting of said steel sleeve is embedded in the concrete; And vertically connect whole shear wall body of wall; After reaching design strength 70%, the concrete of treating prefabricated shear wall body of wall extracts steel sleeve again out, thus at the inner blanking channel that forms the later stage concreting of shear wall body of wall;
C. upper and lower two-layer body of wall butt joint: at lower floor's body of wall position construction to be connected one deck seat slurry mortar; Lift by crane the upper strata body of wall then; The pre-buried anchor connection sleeve in body of wall leg section position, upper strata is aimed at the sleeve anchor connection reinforcing bar in lower floor's body of wall; Adjust the colligation overlap joint reinforcing bar position in the two body of wall middle part bar splicing jointings simultaneously, after adjusting, again the upper strata body of wall is slowly fallen; And it is firm tiltedly to draw support to carry out with the special-purpose body of wall of prefabricated units, and the reinforcing bar binding overlap joint that carries out then in the bar splicing jointing connects;
D. slip casting and concreting: the first step, with the high-pressure slip-casting machine anchor connection sleeve at supporting leg position, shear wall two ends is carried out high-pressure slip-casting, till the anchor connection sleeve is all filled with high-strength grout; In second step, repair colligation overlap joint rebar spacing and position in the adjustment bar splicing jointing, and this position is reconfigured template carry out shutoff; In the 3rd step, the top feed opening of body of wall blanking channel is aided with grout hopper and cooperates and to build self-compacting concrete from the upper strata, treat that self-compacting concrete reaches certain intensity after, stripping, so far, two-layer up and down prefabricated shear wall body of wall vertically connects construction and finishes.
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| CN102661012A (en) * | 2012-05-31 | 2012-09-12 | 东南大学 | Edge member connecting structure of assembly type concrete shear wall |
| CN102877649A (en) * | 2012-10-27 | 2013-01-16 | 二十二冶集团第一建设有限公司 | Prefabricated concrete structure interlayer pouring construction method |
| CN102936929A (en) * | 2012-11-29 | 2013-02-20 | 东南大学 | Prefabricated assembling whole type shear wall connected with staggered-height vertical steel bar |
| CN102943536A (en) * | 2012-11-29 | 2013-02-27 | 东南大学 | Prefabricated integral type shear wall |
| CN102972222A (en) * | 2012-06-08 | 2013-03-20 | 有利华建筑预制件有限公司 | Prefabricated flower groove |
| CN102995745A (en) * | 2012-12-27 | 2013-03-27 | 沈阳易筑建材经销有限公司 | Integrally-assembled concrete structural system adopting steel bar lapping mode |
| CN104260198A (en) * | 2014-10-25 | 2015-01-07 | 中国二十二冶集团有限公司 | Concrete prefabricated wall body and vertical pouring hole remaining method thereof |
| CN104314314A (en) * | 2014-11-17 | 2015-01-28 | 中冶建筑研究总院有限公司 | Grouting connection construction method |
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| CN105735466A (en) * | 2016-03-30 | 2016-07-06 | 上海建工二建集团有限公司 | Prefabricated wall column one-segment type steel rib connection structure and method |
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| CN105908974A (en) * | 2016-04-13 | 2016-08-31 | 江苏华江建设集团有限公司 | Method of steel-bar sleeve grouting connection construction for vertical precast concrete component |
| CN106760228A (en) * | 2017-01-18 | 2017-05-31 | 成张佳宁 | The method of precast shear wall wall Vertical bar connection |
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| CN112900882A (en) * | 2021-01-22 | 2021-06-04 | 中国建筑第八工程局有限公司 | Construction method of slow-bonding prestressed tendon penetrating through post-pouring area |
| CN115075420A (en) * | 2021-03-12 | 2022-09-20 | 新疆大学 | Large-direct corrugated pipe slurry anchor lap joint assembly type shear wall and construction method thereof |
| CN113585534A (en) * | 2021-08-16 | 2021-11-02 | 漯河职业技术学院 | Assembled shear force wall |
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