CN105507348A - Waterproof construction method and structure for joints between independent columns and frame beams of basements - Google Patents
Waterproof construction method and structure for joints between independent columns and frame beams of basements Download PDFInfo
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- CN105507348A CN105507348A CN201510854216.9A CN201510854216A CN105507348A CN 105507348 A CN105507348 A CN 105507348A CN 201510854216 A CN201510854216 A CN 201510854216A CN 105507348 A CN105507348 A CN 105507348A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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Abstract
The invention provides a waterproof construction method and structure for joints between independent columns and frame beams of basements. The construction method comprises the steps of binding steel bars of the independent columns and carrying out pouring for forming pre-pouring column bodies; backfilling earthworks; excavating the earthworks for forming a haunching area and a frame beam area communicated with the haunching area; constructing concrete cushions on the bottom of the frame beam area and the bottom of the haunching area; constructing brick formworks on the side walls of the frame beams and the side walls of haunches and plastering the side walls of the frame beams and the side walls of the haunches; coating the top surfaces of the pre-pouring column bodies with waterproof coating layers and extending the waterproof coating layers to the concrete cushions of the haunching area; laying waterproof roll layers on the concrete cushions of the frame beam area and the haunching area and constructing fine aggregate concrete covers on the waterproof roll layers; binding steel bars of the frame beams in the frame beam area, binding steel bars of the haunches in the haunching area and carrying out pouring for forming the frame beams, the haunches and post-pouring column bodies. According to the invention, the problems that the laying construction difficulty of waterproof rolls in existing closed systems of underground structures is high and material waste is serious are solved.
Description
Technical field
The present invention relates to the realm of building construction, be specifically related to waterproof construction method in junction of a kind of basement insulated column and Vierendeel girder and structure.
Background technology
Due to the particularity of engineering, the former basement that is designed to of building is all underground two-layer structure, and early stage has carried out large face excavation to foundation ditch, and cutting depth is about 9.8m.After change due to owner's design planning, basement becomes and descends two-layer structure partly, and therefore building B1 position causes the scene of backbreaking, and backbreak highly about 5m.For ensureing whole building structural stability, avoid because bearing capacity of foundation soil difference causes differential settlement, therefore whole building bearing stratum has been dropped on-9.8m position, so absolute altitude is-9.8m at the bottom of B1 independent column foundation, and B1 floor level is-4.6m, former address phreatic line is on average about-3.6m, and this 5.2m discrepancy in elevation scope domestic demand carries out backfilling of earthwork, independent column foundation post connects with Vierendeel girder and base plate, forms frame construction.
Be building is entirely descended encapsulated by structures waterproof roll formation closed system according to current usually way, but because insulated column is more, insulated column maximum cross-section is 1100mm × 1100mm, highly about 4.5m (at the bottom of beam), waterproof roll paving construction difficulty is large, and waste of material is many, and the construction period is long, efficiency of construction is low, and construction safety is without guarantee.
Summary of the invention
For overcoming the defect existing for prior art, now provide waterproof construction method in junction of a kind of basement insulated column and Vierendeel girder and structure, to solve the problems such as waterproof roll paving construction difficulty is large, waste of material is many in existing underground structure closed system.
For achieving the above object, a kind of basement insulated column and Vierendeel girder, at the waterproof construction method of junction, comprise the following steps: colligation insulated column reinforcing bar, build formation and build cylinder in advance; The cylinder surrounding backfill earthwork is built in advance described; Earth excavation describedly builds the haunch region of cylinder periphery and the Vierendeel girder region with described haunch regional connectivity in advance to be formed to be positioned at; At the bottom in described Vierendeel girder region and the bottom construction concrete cushion in described haunch region; Build brick fetal membrane by laying bricks or stones at the sidewall of described Vierendeel girder and the sidewall of described haunch and plaster; Be coated with waterproof coating layer at described cylinder end face of building in advance, described waterproof coating layer extends on the concrete cushion in described haunch region; Described concrete cushion in described Vierendeel girder region and described haunch region lays waterproof coiled material layer, and pea gravel concreten topping of constructing on described waterproof roll layer; At described Vierendeel girder region colligation Vierendeel girder reinforcing bar and at described haunch region colligation haunch reinforcing bar, build and form Vierendeel girder, haunch and after-pouring cylinder.
The further improvement of basement insulated column of the present invention and the waterproof construction method of Vierendeel girder in junction is, build after cylinder end face is coated with waterproof coating layer in advance described, further comprising the steps of: to be coated with cement mortar overcoat on described waterproof coating layer surface.
The further improvement of basement insulated column of the present invention and the waterproof construction method of Vierendeel girder in junction is, the cement-base infiltration crystallization of described waterproof coating layer to be material-water ratio be 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
The further improvement of basement insulated column of the present invention and the waterproof construction method of Vierendeel girder in junction is, build after cylinder end face is coated with waterproof coating layer in advance described, further comprising the steps of: water-swellable bar on described insulated column vertical reinforcement Nodes cover.
The further improvement of basement insulated column of the present invention and the waterproof construction method of Vierendeel girder in junction is, described waterproof roll layer comprises first floor waterproof roll and second layer waterproof roll; Described concrete cushion in described Vierendeel girder region and described haunch region lays waterproof coiled material layer, comprising: on described brick fetal membrane surface and described concrete cushion, lay described first floor waterproof roll; The described first floor waterproof roll being positioned at described haunch region lays described second layer waterproof roll; Sealing compound is used to close in the lap-joint of described first floor waterproof roll and described second layer waterproof roll.
Present invention also offers a kind of basement insulated column and Vierendeel girder at the waterproof construction of junction, comprising: insulated column and Vierendeel girder have built haunch in junction, described haunch is located in described insulated column; Concrete cushion, waterproof roll layer and pea gravel concreten topping is equipped with between described Vierendeel girder and described haunch and the backfill earthwork; Described insulated column comprise flush with described concrete cushion build cylinder and after-pouring cylinder in advance, describedly build cylinder in advance and described after-pouring cylinder scribbles waterproof coating layer at interface, described waterproof coating layer extends on the described concrete cushion at the bottom of armpit.
The further improvement of basement insulated column of the present invention and the waterproof construction of Vierendeel girder in junction is, described waterproof coating layer surface scribbles cement mortar overcoat.
The further improvement of basement insulated column of the present invention and the waterproof construction of Vierendeel girder in junction is, the cement-base infiltration crystallization of described waterproof coating layer to be material-water ratio be 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
The further improvement of basement insulated column of the present invention and the waterproof construction of Vierendeel girder in junction is, the vertical reinforcement Nodes cover of described insulated column has water-swellable bar.
The further improvement of basement insulated column of the present invention and the waterproof construction of Vierendeel girder in junction is, described waterproof roll layer comprises by first floor waterproof roll and is being positioned at the second layer waterproof roll that the described first floor waterproof roll in the region of described haunch is laid, and the lap-joint of described first floor waterproof roll and described second layer waterproof roll is provided with sealing compound.
Basement insulated column of the present invention and Vierendeel girder are at the waterproof construction method of junction and the beneficial effect of structure:
1) by building haunch at insulated column and Vierendeel girder in junction, concrete cushion, waterproof roll layer and pea gravel concreten topping is equipped with at described Vierendeel girder with between described haunch and the backfill earthwork, and build cylinder in advance and described after-pouring cylinder scribbles waterproof coating layer at interface described, instead of independent column foundation entirety parcel waterproof roll way, decrease difficulty of construction, improve efficiency of construction, and then solve the problems such as waterproof roll paving construction difficulty is large, waste of material is many in existing underground structure closed system, save construction material;
2) avoid the work high above the ground at this position, ensure construction safety, and backfilling of earthwork a large amount of after having stopped waterproof coiled material construction damages to waterproof roll, avoids a finished product protection difficult problem.
Accompanying drawing explanation
Fig. 1 is basement insulated column of the present invention and the Vierendeel girder top view at the waterproof construction of junction.
Fig. 2 is the sectional view of Fig. 1 in A-A cross section.
Fig. 3 is basement insulated column of the present invention and the waterproof construction method flow chart of Vierendeel girder in junction.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this manual can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this manual also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
It should be noted that, structure, ratio, size etc. that this manual institute accompanying drawings illustrates, content all only in order to coordinate manual to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this manual as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is basement insulated column of the present invention and the Vierendeel girder top view at the waterproof construction of junction, and Fig. 2 is the sectional view of Fig. 1 in A-A cross section
As depicted in figs. 1 and 2, the invention provides a kind of basement insulated column and the waterproof construction of Vierendeel girder in junction, insulated column 1 and Vierendeel girder 2 have built haunch 3 in junction, and haunch 3 is located in insulated column 1; Concrete cushion 50, waterproof roll layer 51 and pea gravel concreten topping 52 is equipped with between Vierendeel girder 2 and haunch 3 and the backfill earthwork 4; Insulated column 1 comprise flush with concrete cushion 50 build cylinder 10 and after-pouring cylinder 11 in advance, build cylinder 10 in advance and scribble waterproof coating layer 60 with after-pouring cylinder 11 at interface, waterproof coating layer 60 extends on the concrete cushion 50 at the bottom of armpit.
Below said modules is described in detail.
As depicted in figs. 1 and 2; insulated column 1 comprise build in advance build cylinder 10 in advance and building the after-pouring cylinder 11 of after-pouring on cylinder 10 in advance; build the concreting of cylinder 10 in advance; should build to next object height place of upper frame beam 2 basal cross section absolute altitude; reserve the thickness of the concrete cushion 50 of bottom, Vierendeel girder 2 place, waterproof roll layer 51 and pea gravel concreten topping 52, ensure that this position node way of later stage can effectively hand over circle to close.Build after formation builds cylinder 10 in advance, the earthwork 4 is carried out to the region at insulated column 1 place and backfills, 10mm place under backfill height to Vierendeel girder 2 top splash guard bed course.The follow-up region excavation carrying out Vierendeel girder 2, after-pouring cylinder 11 and haunch 3.The reserved 10mm earthwork thickness of backfill, the backfill in this region is carried out in the earthwork after Vierendeel girder 2, after-pouring cylinder 11 and haunch 3 position excavation, and avoid transporting outward for 2 times, rationalization constructs.
As depicted in figs. 1 and 2, after the excavation of the region of Vierendeel girder 2, after-pouring cylinder 11 and haunch 3, lay concrete cushion 50 in the bottom in Vierendeel girder 2 region and the bottom in haunch 3 region, concrete cushion 50 with build cylinder 10 top in advance and flush.After concrete cushion 50 has been laid, be coated with waterproof coating layer 60 building cylinder 10 end face in advance, waterproof coating layer 60 extends on the concrete cushion 50 in haunch 3 region.Further, waterproof coating layer 60 surface scribbles cement mortar overcoat.Preferably, waterproof coating layer 60 for material-water ratio be the cement-base infiltration crystallization of 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
As shown in Figure 2, after concrete cushion 50 has been laid, concrete cushion 50 in Vierendeel girder 2 region and haunch 3 region lays waterproof coiled material layer 51, waterproof roll layer 51 comprises the second layer waterproof roll 512 by first floor waterproof roll 511 and laying on the first floor waterproof roll 511 being positioned at haunch 3 region, whole haunch 3 bed course to end face extends out 250mm region and lays second layer waterproof roll 512 (overlapping part >=250mm), and the lap-joint of first floor waterproof roll 511 and second layer waterproof roll 512 uses sealing compound 7 to seal.
Further, in order to waterproof effect is better, as shown in Figure 2, the vertical reinforcement Nodes of insulated column 1 all puts water-swellable bar 8.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 3 is basement insulated column of the present invention and the waterproof construction method flow chart of Vierendeel girder in junction, present invention also offers a kind of basement insulated column and Vierendeel girder at the waterproof construction method of junction, comprises the following steps:
S1, colligation insulated column 1 reinforcing bar, builds formation and builds cylinder 10 in advance;
Insulated column 1 comprise build in advance build cylinder 10 in advance and building the after-pouring cylinder 11 of after-pouring on cylinder 10 in advance; build the concreting of cylinder 10 in advance; should build to next object height place of upper frame beam 2 basal cross section absolute altitude; reserve the thickness of the concrete cushion 50 of bottom, Vierendeel girder 2 place, waterproof roll layer 51 and pea gravel concreten topping 52, ensure that this position node way of later stage can effectively hand over circle to close.
S2, is building the cylinder 10 surrounding backfill earthwork 4 in advance;
Build after formation builds cylinder 10 in advance, the earthwork 4 is carried out to the region at insulated column 1 place and backfills, 10mm place under backfill height to Vierendeel girder 2 top splash guard bed course.The follow-up region excavation carrying out Vierendeel girder 2, after-pouring cylinder 11 and haunch 3.The reserved 10mm earthwork thickness of backfill, the backfill in this region is carried out in the earthwork after Vierendeel girder 2, after-pouring cylinder 11 and haunch 3 position excavation, and avoid transporting outward for 2 times, rationalization constructs.
S3, earth excavation 4 is positioned at haunch 3 region of building cylinder 10 periphery in advance and Vierendeel girder 2 region with haunch 3 regional connectivity to be formed;
S4, at the bottom in Vierendeel girder 2 region and the bottom construction concrete cushion 50 in haunch 3 region;
After the region excavation of Vierendeel girder 2, after-pouring cylinder 11 and haunch 3, lay concrete cushion 50 in the bottom in the bottom in Vierendeel girder 2 region and haunch 3 region, concrete cushion 50 with build cylinder 10 top in advance and flush.
S5, builds brick fetal membrane by laying bricks or stones at the sidewall of Vierendeel girder 2 and the sidewall of haunch 3 and plasters;
S6, be coated with waterproof coating layer 60 building cylinder 10 end face in advance, waterproof coating layer 60 extends on the concrete cushion 50 in haunch 3 region;
More preferably, before being coated with waterproof coating layer 60, first clear up the bottom of building cylinder 10 end face and haunch 3 region in advance, after cleaning out, lay waterproof coating layer 60 in the horizontal direction.Further, after building cylinder 10 end face in advance and being coated with waterproof coating layer 60, further comprising the steps of: to be coated with cement mortar overcoat on waterproof coating layer 60 surface.Preferably, waterproof coating layer 60 for material-water ratio be the cement-base infiltration crystallization of 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
Further, in order to waterproof effect is better, as shown in Figure 2, after building cylinder 10 end face in advance and being coated with waterproof coating layer 60, further comprising the steps of: water-swellable bar 8 on insulated column 1 vertical reinforcement Nodes cover.
S7, the concrete cushion 50 in Vierendeel girder 2 region and haunch 3 region lays waterproof coiled material layer 51, and pea gravel concreten topping 52 of constructing on waterproof roll layer 51;
Waterproof roll layer 51 comprises the second layer waterproof roll 512 by first floor waterproof roll 511 and laying on the first floor waterproof roll 511 being positioned at haunch 3 region, concrete cushion 50 in Vierendeel girder 2 region and haunch 3 region lays waterproof coiled material layer 51, comprising: on described brick fetal membrane surface and concrete cushion 50, lay first floor waterproof roll 511; The first floor waterproof roll 511 being positioned at haunch 3 region lays second layer waterproof roll; Sealing compound 7 is used to close in the lap-joint of first floor waterproof roll 511 and second layer waterproof roll 512.
S8, at Vierendeel girder 2 region colligation Vierendeel girder reinforcing bar and at haunch 3 region colligation haunch reinforcing bar, builds and forms Vierendeel girder 2, haunch 2 and after-pouring cylinder 11.
Basement insulated column of the present invention and Vierendeel girder are at the waterproof construction method of junction and the beneficial effect of structure:
1) by building haunch at insulated column and Vierendeel girder in junction, concrete cushion, waterproof roll layer and pea gravel concreten topping is equipped with at described Vierendeel girder with between described haunch and the backfill earthwork, and build cylinder in advance and described after-pouring cylinder scribbles waterproof coating layer at interface described, instead of independent column foundation entirety parcel waterproof roll way, decrease difficulty of construction, improve efficiency of construction, and then solve the problems such as waterproof roll paving construction difficulty is large, waste of material is many in existing underground structure closed system, save construction material;
2) avoid the work high above the ground at this position, ensure construction safety, and backfilling of earthwork a large amount of after having stopped waterproof coiled material construction damages to waterproof roll, avoids a finished product protection difficult problem.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection domain.
Claims (10)
1. basement insulated column and Vierendeel girder are at a waterproof construction method for junction, it is characterized in that, comprise the following steps:
Colligation insulated column reinforcing bar, builds formation and builds cylinder in advance;
The cylinder surrounding backfill earthwork is built in advance described;
Earth excavation describedly builds the haunch region of cylinder periphery and the Vierendeel girder region with described haunch regional connectivity in advance to be formed to be positioned at;
At the bottom in described Vierendeel girder region and the bottom construction concrete cushion in described haunch region;
Build brick fetal membrane by laying bricks or stones at the sidewall of described Vierendeel girder and the sidewall of described haunch and plaster;
Be coated with waterproof coating layer at described cylinder end face of building in advance, described waterproof coating layer extends on the concrete cushion in described haunch region;
Described concrete cushion in described Vierendeel girder region and described haunch region lays waterproof coiled material layer, and pea gravel concreten topping of constructing on described waterproof roll layer;
At described Vierendeel girder region colligation Vierendeel girder reinforcing bar and at described haunch region colligation haunch reinforcing bar, build and form Vierendeel girder, haunch and after-pouring cylinder.
2. waterproof construction method according to claim 1, is characterized in that, builds after cylinder end face is coated with waterproof coating layer in advance described, further comprising the steps of: to be coated with cement mortar overcoat on described waterproof coating layer surface.
3. waterproof construction method according to claim 2, is characterized in that, the cement-base infiltration crystallization of described waterproof coating layer to be material-water ratio be 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
4. waterproof construction method according to claim 1, is characterized in that, builds after cylinder end face is coated with waterproof coating layer in advance described, further comprising the steps of: water-swellable bar on described insulated column vertical reinforcement Nodes cover.
5. waterproof construction method according to claim 1, is characterized in that, described waterproof roll layer comprises first floor waterproof roll and second layer waterproof roll;
Described concrete cushion in described Vierendeel girder region and described haunch region lays waterproof coiled material layer, comprising:
Described first floor waterproof roll is laid on described brick fetal membrane surface and described concrete cushion;
The described first floor waterproof roll being positioned at described haunch region lays described second layer waterproof roll;
Sealing compound is used to close in the lap-joint of described first floor waterproof roll and described second layer waterproof roll.
6. basement insulated column and Vierendeel girder are at a waterproof construction for junction, it is characterized in that, insulated column and Vierendeel girder have built haunch in junction, and described haunch is located in described insulated column; Concrete cushion, waterproof roll layer and pea gravel concreten topping is equipped with between described Vierendeel girder and described haunch and the backfill earthwork; Described insulated column comprise flush with described concrete cushion build cylinder and after-pouring cylinder in advance, describedly build cylinder in advance and described after-pouring cylinder scribbles waterproof coating layer at interface, described waterproof coating layer extends on the described concrete cushion at the bottom of armpit.
7. waterproof construction according to claim 6, is characterized in that, described waterproof coating layer surface scribbles cement mortar overcoat.
8. waterproof construction according to claim 7, is characterized in that, the cement-base infiltration crystallization of described waterproof coating layer to be material-water ratio be 4:1 or 3.5:1, described cement mortar overcoat is 20mm thick 1:2 polymer cement mortar overcoat.
9. waterproof construction according to claim 6, is characterized in that, the vertical reinforcement Nodes cover of described insulated column has water-swellable bar.
10. waterproof construction according to claim 6, it is characterized in that, described waterproof roll layer comprises by first floor waterproof roll and the second layer waterproof roll laid on the described first floor waterproof roll being positioned at described haunch region, and the lap-joint of described first floor waterproof roll and described second layer waterproof roll is provided with sealing compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854216.9A CN105507348B (en) | 2015-11-30 | 2015-11-30 | The waterproof construction method and structure of basement detached column and Vierendeel girder in junction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510854216.9A CN105507348B (en) | 2015-11-30 | 2015-11-30 | The waterproof construction method and structure of basement detached column and Vierendeel girder in junction |
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| CN105507348A true CN105507348A (en) | 2016-04-20 |
| CN105507348B CN105507348B (en) | 2017-06-16 |
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| CN106320386A (en) * | 2016-10-13 | 2017-01-11 | 中国水利水电第四工程局有限公司 | Pipe rack side wall waterproof construction method |
| CN106351256A (en) * | 2016-10-13 | 2017-01-25 | 中国水利水电第四工程局有限公司 | Pipe rack bottom waterproof construction method |
| CN113089856A (en) * | 2021-04-02 | 2021-07-09 | 江西腾昌建筑工程有限公司 | Waterproof construction process for construction joint of basement concrete structure |
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| CN106351256A (en) * | 2016-10-13 | 2017-01-25 | 中国水利水电第四工程局有限公司 | Pipe rack bottom waterproof construction method |
| CN113089856A (en) * | 2021-04-02 | 2021-07-09 | 江西腾昌建筑工程有限公司 | Waterproof construction process for construction joint of basement concrete structure |
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| Publication number | Publication date |
|---|---|
| CN105507348B (en) | 2017-06-16 |
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