CN103924621B - Underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete stream construction method - Google Patents
Underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete stream construction method Download PDFInfo
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- CN103924621B CN103924621B CN201410133123.2A CN201410133123A CN103924621B CN 103924621 B CN103924621 B CN 103924621B CN 201410133123 A CN201410133123 A CN 201410133123A CN 103924621 B CN103924621 B CN 103924621B
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Abstract
The anti-concrete by-pass means of a kind of underground continuous wall groove segment H profile steel joint grouting plate, comprise two blocks of grouting plates be arranged at respectively on ground-connecting-wall I shape steel plate for sealing water frange plate, described grouting plate one end is fixedly connected with I shape steel plate for sealing water frange plate, the other end is free end, wherein one block of grouting plate is fixedly connected with I shape steel plate for sealing water frange plate inside, and another block grouting plate is connected with the frange plate external stability of I shape steel plate for sealing water another side; Described grouting plate to be thickness be 0.5mm, length are higher than the galvanized sheet iron of reinforcing cage about 500mm.When constructing, grouting plate inside the following frange plate of H profile steel is first set, after grouting plate outside the frange plate of H profile steel top is set, without the need to by the free end of grouting plate and bar connecting, therefore, during concrete perfusion, grouting plate free end opens unrestricted, all can open by designing requirement, effectively prevent concrete perfusion and stream and enter in H profile steel web, solve joint concrete circumferential motion problem well.
Description
Technical field
The present invention relates to a kind of construction techniques and device, particularly underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete stream construction method.
Background technology
Under normal circumstances; the topping of the main muscle of diaphragm wall is 50mm ~ 70mm; therefore concrete streams enter in H profile steel and adjacent cells groove section because the imprecision of protection may produce concrete in the process of perfusion outside H profile steel, causes difficulty to the excavation in later stage, punching, cleaning etc.
Streaming outside H profile steel for preventing concrete enters in H profile steel and adjacent cells groove section, and the method that construction adopts at present is: at the elongated interior subsides plastic foam plate of H profile steel scope, and fills sand hill or mud drum; The method has following deficiency:
1, fill sand hill or mud drum engineering quantity is large, labor intensive is large and cannot reclaim, cycle engineering time is long, and occupied ground is larger;
2, the seepage that the things such as the foam at H profile steel wing plate place, sandbag may cause groove section joint is remained in;
3, the plastic foam plate that H profile steel both sides are pasted can produce buoyancy in the decentralization process of reinforcing cage, and plastic foam plate is easy to float; And due to the buoyancy of both sides likely unequal, the inclination of reinforcing cage can be caused not easily to lay;
4, owing to there being the headroom of main tendon protective layer outside H profile steel, often there is concrete and stream phenomenon in the filling protection imprecision of sand hill or mud drum.Affect the construction of adjacent cells groove section.
For solving when ground-connecting-wall is constructed, effective prevention joint concrete circumferential motion problem, patent announcement number is CN203129188U, denomination of invention is: the utility model patent of " the anti-by-pass means of underground continuous wall connector " discloses the anti-by-pass means of a kind of underground continuous wall connector, and disclose its mounting method: " when installing that this diaphragm wall is anti-streams iron sheet 1, two measure-alike iron sheets 1 are chosen in employing, the link 11 of iron sheet 1 uses fine steel rib pressure welding on the both sides frange plate of I shape steel plate for sealing water 3, again the free end 12 of iron sheet 1 is distinguished colligation in the both sides of manufactured reinforcing cage 2, so that entirety transfers reinforcing cage 2 in the groove section 4 of having constructed, after above-mentioned completing, by reinforcing cage 2 together with in iron sheet 1 below to groove section 4, then free end 12 and reinforcing cage 2 are unclamped, to its concreting, " to reach the object that prevention joint concrete streams.
This device is feasible theoretically, but when practice of construction, this device also has the following disadvantages: one is iron sheet 1 be welded on I shape steel plate for sealing water 3 both sides frange plate outside (see this application Figure of description Fig. 1-Fig. 2, present specification accompanying drawing Fig. 7-Fig. 8), H profile steel steel plate for sealing water 2 be very greatly, very heavy, all be welded on outside the frange plate of both sides by iron sheet 1, if construct welding grouting plate outside H profile steel below, construction is just very inconvenient; If outside H profile steel, grouting plate is not welded in construction below, when grouting plate has been welded in construction, H profile steel steel plate for sealing water needs to turn the grouting plate that could weld opposite side, so H profile steel steel plate for sealing water needs secondary displacement not convenient construction;
Secondly, during the construction of this device, be " by the colligation of the free end 12 of iron sheet 1 difference in the both sides of manufactured reinforcing cage 2, by reinforcing cage 2 together with in iron sheet 1 below to groove section 4, then free end 12 and reinforcing cage 2 are unclamped; "; because the diaphragm wall degree of depth is generally more than 10 meters; be very dark very large; and the size of reinforcing cage 2 is basically identical with diaphragm wall groove to be poured section length size; reinforcing cage 2 being transferred in diaphragm wall groove section 4 to be poured together with iron sheet 1; then free end 12 and reinforcing cage 2 are unclamped and can not accomplish, owing to free end 12 and reinforcing cage 2 can not be unclamped, after concrete perfusion, opening of its underpart free end is limited, can not all open, the effect that therefore its prevention joint concrete streams is given a discount widely.
Summary of the invention
The object of the present invention is to provide a kind of enforceable " underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete thereof stream construction method ", to overcome the weak point of " the anti-by-pass means of underground continuous wall connector ", solve when ground-connecting-wall is constructed, effectively prevention joint concrete circumferential motion problem.
The technical scheme solved the problem is: the anti-concrete by-pass means of a kind of underground continuous wall groove segment H profile steel joint grouting plate, comprise two blocks of grouting plates be arranged at respectively on ground-connecting-wall H type steel plate for sealing water frange plate, described grouting plate one end is fixedly connected with H type steel plate for sealing water frange plate, the other end is free end, it is characterized in that: wherein one block of grouting plate is fixedly connected with the inner side of the following frange plate of H type steel plate for sealing water, and another block grouting plate is fixedly connected with the outside of H type steel plate for sealing water top frange plate.
The further technical scheme of described underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means is: described grouting plate is thickness is 0.5mm, width K is 500 ~ 700mm, length is higher than the galvanized sheet iron of reinforcing cage 400 ~ 600mm.
Its another relevant technical scheme is: the anti-concrete of a kind of underground continuous wall groove segment H profile steel joint grouting plate streams construction method, it utilizes the present invention's above-mentioned underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means to realize the method that the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate streams construction, and it comprises the following steps:
A. get the raw materials ready: prepare grouting plate and grouting plate press strip, select that thickness is 0.5mm, width K be 500 ~ 700mm, the length L galvanized sheet iron higher than reinforcing cage 400 ~ 600mm as grouting plate, adopt φ 18 reinforcing bar as grouting plate press strip;
B., grouting plate inside the following frange plate of H type steel plate for sealing water is set: first inside the following frange plate of H type steel plate for sealing water of reinforcing cage mesh sheet both sides, lay grouting plate, grouting plate and frange plate overlap 100mm, then reinforcing cage mesh sheet horizontal bar is arranged, horizontal bar pushes down grouting plate and H profile steel overlaps 150mm, and weld together with H profile steel, weld length is 10 times of horizontal bar diameter;
C., grouting plate outside the frange plate of H type steel plate for sealing water top is set: first outside the following frange plate of H type steel plate for sealing water, lay grouting plate, grouting plate and frange plate overlap 100mm, arrange auxiliary welding with φ 18 reinforcing bar as grouting plate press strip is elongated, spot pitch is 300mm;
D., after groove section grooving acceptance(check), the reinforcing bar cage hoisting welded is entered groove and install, calibrate errorless being fixed on and lead on wall;
E. concreting: strict control concreting height in pouring construction process, after building beginning, should compactly carrying out continuously, must not rest in midway; In concreting process, notice that observation tube inner concrete declines and water level in borehole lifting situation, timely measured hole inner concrete face height, the lifting of accurate instruction conduit and dismounting, prevent concrete from streaming into other groove section.
Compared with prior art, the underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means of the present invention and anti-concrete stream construction method and have following beneficial effect:
(1) with existing employing at the elongated interior subsides plastic foam plate of H profile steel scope, and fill sand hill or mud drum and compare, the grouting plate 1 that the present invention is arranged on ground-connecting-wall H type steel plate for sealing water 2 frange plate adopts galvanized sheet iron to make, grouting plate is lightweight, cost is low, construction technology is simple, and anti-stream effective.
(2) with patent announcement number be CN203129188U, denomination of invention is: " the anti-by-pass means of underground continuous wall connector " is compared, the more reasonable structure of the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate of the present invention, processing and fabricating, meet construction production order, convenient construction and anti-stream effective:
1. the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate of the present invention, wherein one block of grouting plate is fixedly connected with the inner side of the following frange plate of H type steel plate for sealing water, and another block grouting plate is fixedly connected with the outside of H type steel plate for sealing water top frange plate; Therefore, when constructing, first arrange grouting plate inside the following frange plate of H type steel plate for sealing water, then arrange reinforcing cage mesh sheet horizontal bar, horizontal bar pushes down grouting plate and H profile steel overlaps 150mm, and welds together with H profile steel, and weld length is 10 times of horizontal bar diameter; After grouting plate outside the frange plate of H type steel plate for sealing water top is set, and the thickness of apparatus of the present invention grouting plate 1 and width dimensions are suitable for, there is certain rigidity, during construction, without the need to by the free end of grouting plate and bar connecting, therefore, during concrete perfusion, grouting plate free end opens unrestricted, all can open by designing requirement, galvanized sheet iron well prevent concrete perfusion and streams and enter in H profile steel web, avoids the difficulty of adjacent cells groove section excavation, clear groove, cleaning interface.
Therefore, the underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means of the present invention and anti-concrete stream construction method, meet building energy conservation, save land, the utilization of construction space and economic and practical requirement; For process similar engineering provides a kind of novel construction method.
Below in conjunction with drawings and Examples, the technical characteristic that the underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means of the present invention and anti-concrete stream construction method is described further.
Accompanying drawing explanation
Fig. 1: linear pattern groove section elevation (longitudinal section) being provided with the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate of the present invention;
The A-A sectional view of Fig. 2: Fig. 1;
Fig. 3: the steel bar girder of reinforcing cage;
The B-B sectional view (cross section) of Fig. 4: Fig. 1;
The C portion enlarged drawing of Fig. 5: Fig. 4;
Fig. 6-Fig. 7: the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate of the present invention streams the procedure schematic diagram of construction;
Fig. 6: before non-fluid concrete; Fig. 7: after fluid concrete;
Fig. 8-Fig. 9: the structure of existing " the anti-by-pass means of underground continuous wall connector " and scheme of installation.
In Fig. 1-Fig. 7:
1-grouting plate, 11-is positioned at the grouting plate inside the frange plate of H type steel plate for sealing water, and 12-is positioned at the grouting plate outside the frange plate of H type steel plate for sealing water;
2-H type steel plate for sealing water, the following frange plate of 21-H type steel plate for sealing water, 22-H type steel plate for sealing water top frange plate;
3-grouting plate press strip; 4-hangs muscle; 5-reinforcing cage;
6-groove section, 61-cell wall;
7-concrete, the adjacent groove section of not constructing of 8-;
JH-fillet welding, SMH-double welding; Wherein, fillet welding is the welding of H profile steel processing, and double welding is the two-sided welding inside reinforcing cage and H profile steel;
CK-groove section width, CL-groove segment length, the CS-groove section degree of depth;
K-grouting plate width, L-H type steel plate for sealing water length; All the other mark meanings are see manual;
In Fig. 8-Fig. 9, the mark of existing " the anti-by-pass means of underground continuous wall connector " is see manual background technology.
Detailed description of the invention
Embodiment one:
The anti-concrete by-pass means of a kind of underground continuous wall groove segment H profile steel joint grouting plate, comprise two blocks of grouting plates 1 be arranged at respectively on ground-connecting-wall H type steel plate for sealing water 2 frange plate, described grouting plate 1 one end is fixedly connected with H type steel plate for sealing water frange plate, the other end is free end, wherein one block of grouting plate 11 is fixedly connected with the inner side of the following frange plate 21 of H type steel plate for sealing water, and another block grouting plate 12 is fixedly connected with (see Fig. 1, Fig. 4-Fig. 5) with the outside of H type steel plate for sealing water top frange plate 22.
Described grouting plate 1 to be thickness be 0.5mm, length are higher than the galvanized sheet iron of reinforcing cage 500mm, and grouting plate width K is 500mm, adopts diameter phi=18mm reinforcing bar as grouting plate press strip 3.
One as the embodiment of the present invention converts, and width K and the length of described grouting plate 1 can also adjust according to actual needs, and generally, the width K of described grouting plate 1 is 500 ~ 700mm, and length is higher than reinforcing cage 400 ~ 600mm.
Embodiment two:
The anti-concrete of a kind of underground continuous wall groove segment H profile steel joint grouting plate streams construction method, it utilizes underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means described in embodiment one to realize the method that the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate streams construction, and it comprises the following steps (see Fig. 4, Fig. 5):
A. get the raw materials ready: prepare grouting plate and grouting plate press strip, select thickness be 0.5mm, length higher than the galvanized sheet iron of reinforcing cage 400 ~ 600mm as grouting plate, grouting plate width K is 400 ~ 600mm, adopts diameter phi=18mm reinforcing bar as grouting plate press strip 3;
B., grouting plate inside the following frange plate of H type steel plate for sealing water is set: first inside the following frange plate 21 of H type steel plate for sealing water of reinforcing cage mesh sheet both sides, lay grouting plate 11, grouting plate 11 and the following frange plate 21 of H type steel plate for sealing water overlap 100mm, then reinforcing cage mesh sheet horizontal bar is arranged, horizontal bar pushes down grouting plate and H profile steel overlaps 150mm, and weld together with H profile steel, weld length is 10 times of horizontal bar diameter;
C., grouting plate outside the frange plate of H type steel plate for sealing water top is set: first outside H type steel plate for sealing water top frange plate 22, lay grouting plate 12, grouting plate 12 and H type steel plate for sealing water top frange plate 22 overlap 100mm, arrange auxiliary welding with diameter phi=18mm reinforcing bar as grouting plate press strip 3 is elongated, spot pitch is 300mm;
D., after groove section grooving acceptance(check), the reinforcing cage mesh sheet welded is lifted groove 6 and install, calibrate errorless being fixed on and lead (see Fig. 1, Fig. 2, Fig. 6) on wall 61;
E. concreting: strict control concreting height in pouring construction process, after building beginning, should compactly carrying out continuously, must not rest in midway;
In concreting process, notice that observation tube inner concrete declines and water level in borehole lifting situation, timely measured hole inner concrete face height, the lifting of accurate instruction conduit and dismounting, prevent concrete from streaming into other groove section.
Above-mentioned grouting plate width K is 400 ~ 600mm.
Can find out that underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means of the present invention and the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate thereof stream the advantage of construction method from Fig. 6, Fig. 7, in figure 6, the free end of the grouting plate 11,12 inside and outside the H type steel plate for sealing water frange plate of the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate of the present invention is the surface that free state is close to reinforcing cage, after cast, by means of the lateral pressure of pouring concrete flowing, grouting plate 11,12 extruding is close to groove section soil wall surface, reaches the object preventing concrete from streaming.
Claims (3)
1. the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate, comprise two blocks of grouting plates (1) be arranged at respectively on ground-connecting-wall H type steel plate for sealing water (2) frange plate, described grouting plate (1) one end is fixedly connected with H type steel plate for sealing water frange plate, the other end is free end, it is characterized in that: wherein one piece of grouting plate (11) is fixedly connected with the inner side of the following frange plate of H type steel plate for sealing water (21), another block grouting plate (12) is fixedly connected with the outside of H type steel plate for sealing water top frange plate (22).
2. the anti-concrete by-pass means of underground continuous wall groove segment H profile steel joint grouting plate according to claim 1, is characterized in that: described grouting plate (1) is thickness is 0.5mm, width K is 500 ~ 700mm, length is higher than the galvanized sheet iron of reinforcing cage 400 ~ 600mm.
3. the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate streams construction method, it is characterized in that: it utilizes underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means described in claim 1 to realize the method that the anti-concrete of underground continuous wall groove segment H profile steel joint grouting plate streams construction, and it comprises the following steps:
A. get the raw materials ready: prepare grouting plate and grouting plate press strip, select that thickness is 0.5mm, width K be 500 ~ 700mm, the length L galvanized sheet iron higher than reinforcing cage 400 ~ 600mm as grouting plate, adopt φ 18 reinforcing bar as grouting plate press strip (3);
B., grouting plate inside the following frange plate of H type steel plate for sealing water is set: grouting plate (11) is laid in the following frange plate of H type steel plate for sealing water (21) inner side first in reinforcing cage mesh sheet both sides, grouting plate (11) and the following frange plate of H type steel plate for sealing water (21) overlap 100mm, then reinforcing cage mesh sheet horizontal bar is arranged, horizontal bar pushes down grouting plate and H profile steel overlaps 150mm, and weld together with H profile steel, weld length is 10 times of horizontal bar diameter;
C., grouting plate outside the frange plate of H type steel plate for sealing water top is set: first lay grouting plate (12) in outside, H type steel plate for sealing water top frange plate (22), grouting plate (12) and H type steel plate for sealing water top frange plate (22) overlap 100mm, arrange auxiliary welding with φ 18 reinforcing bar as grouting plate press strip (3) is elongated, spot pitch is 300mm;
D., after groove section grooving acceptance(check), the reinforcing bar cage hoisting welded is entered groove (6) and install, calibrate errorless being fixed on and lead on wall (61);
E. concreting: strict control concreting height in pouring construction process, after building beginning, should compactly carrying out continuously, must not rest in midway; In concreting process, notice that observation tube inner concrete declines and water level in borehole lifting situation, timely measured hole inner concrete face height, the lifting of accurate instruction conduit and dismounting, prevent concrete from streaming into other groove section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410133123.2A CN103924621B (en) | 2014-03-31 | 2014-03-31 | Underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete stream construction method |
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| CN201410133123.2A CN103924621B (en) | 2014-03-31 | 2014-03-31 | Underground continuous wall groove segment H profile steel joint grouting plate anti-concrete by-pass means and anti-concrete stream construction method |
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| CN103924621A CN103924621A (en) | 2014-07-16 |
| CN103924621B true CN103924621B (en) | 2015-12-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106836191A (en) * | 2017-01-20 | 2017-06-13 | 中国建筑第四工程局有限公司 | The construction method of subway building enclosure ground-connecting-wall under a kind of low clearance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104153347B (en) * | 2014-08-29 | 2016-05-18 | 上海建工七建集团有限公司 | Preparing structure and the construction method thereof of underground continuous wall width breach |
| CN107653872A (en) * | 2017-11-07 | 2018-02-02 | 中建局集团建设发展有限公司 | The rigid joint of ultra-deep ground-connecting-wall integrates water-stopping system and its construction method |
| CN107816068B (en) * | 2017-11-24 | 2023-04-25 | 中国矿业大学 | Construction method of underground diaphragm wall brushing concrete bypass flow detection and treatment device |
| CN108301399B (en) * | 2018-01-25 | 2020-04-21 | 中铁隧道集团二处有限公司 | Anti-streaming device repeatedly used in diaphragm wall construction and construction method thereof |
| CN110528502A (en) * | 2018-05-23 | 2019-12-03 | 中铁七局集团西安铁路工程有限公司 | A kind of anti-construction method streamed of diaphram wall H-type connector |
| CN109056699B (en) * | 2018-08-02 | 2020-07-10 | 浙江理工大学 | Novel fore shaft pipe |
| WO2021013201A1 (en) * | 2019-07-24 | 2021-01-28 | 青岛理工大学 | Water stopping device and method for ground continuous wall joint in high-water-rich coastal area |
| CN110528500A (en) * | 2019-07-24 | 2019-12-03 | 青岛理工大学 | A kind of high rich water borders on the sea regional ground continuous wall connector water-stopping method |
| CN110994523B (en) * | 2019-12-31 | 2021-09-17 | 广东顺德电力设计院有限公司 | Method and system for protecting cable |
| CN114991227B (en) * | 2022-06-21 | 2023-03-21 | 中交第二航务工程局有限公司 | Underground diaphragm wall I-shaped steel joint posture and streaming detection device and method |
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| US3412562A (en) * | 1967-11-14 | 1968-11-26 | Ben C Gerwick Inc | Structural wall and method |
| FR2526825B1 (en) * | 1982-05-14 | 1986-05-30 | Soletanche | ELEMENT FOR THE PRODUCTION OF MOLDED WALL PANELS IN THE GROUND, WALLS COMPRISING SUCH AN ELEMENT AND METHOD FOR THE PRODUCTION OF SUCH A WALL |
| CN2707833Y (en) * | 2004-06-03 | 2005-07-06 | 武汉京冶地基基础工程有限责任公司 | Watertight underground diaphragm wall with rigid joint |
| CN201981532U (en) * | 2011-04-02 | 2011-09-21 | 中铁十二局集团建筑安装工程有限公司 | Bearing type super deep underground continuous wall adaptor |
| CN203834524U (en) * | 2014-03-31 | 2014-09-17 | 广西建工集团第五建筑工程有限责任公司 | Concrete streaming preventing device for H-type steel connector grout stop plate at underground continuous wall chase section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836191A (en) * | 2017-01-20 | 2017-06-13 | 中国建筑第四工程局有限公司 | The construction method of subway building enclosure ground-connecting-wall under a kind of low clearance |
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Application publication date: 20140716 Assignee: Chaoyang Shantou Construction Engineering General Corporation Assignor: THE FIFTH CONSTRUCTION ENGINEERING COMPANY OF GUANGXI CONSTRUCTION ENGINEERING Group Contract record no.: 2015450000044 Denomination of invention: Concrete bypassing preventing device with pulp stopping plates and concrete bypassing preventing construction method for H-shaped steel joint of wall chase of underground continuous wall License type: Exclusive License Record date: 20150723 |
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