CN103669401B - Epoxy resin cement concrete block placement outer wall of basement and construction method thereof - Google Patents
Epoxy resin cement concrete block placement outer wall of basement and construction method thereof Download PDFInfo
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- 239000004567 concrete Substances 0.000 title claims abstract description 90
- 239000004568 cement Substances 0.000 title claims abstract description 74
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 50
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000009415 formwork Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920006333 epoxy cement Polymers 0.000 claims description 5
- 239000012874 anionic emulsifier Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 claims description 3
- 239000012875 nonionic emulsifier Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 229920000642 polymer Polymers 0.000 abstract description 6
- 230000036571 hydration Effects 0.000 abstract description 5
- 238000006703 hydration reaction Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011388 polymer cement concrete Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Epoxy Resins (AREA)
Abstract
本发明公开了一种环氧树脂水泥混凝土分块浇筑地下室外墙及其施工方法，包括以下步骤：支设地下室外墙的模板，根据所述地下室外墙的厚度，在所述模板间绑扎一层快易收口网，使所述快易收口网的两侧与所述模板之间分别形成一相对靠近迎水侧的第一浇筑空间和一相对远离所述迎水侧的第二浇筑空间；于所述第一浇筑空间内浇筑环氧树脂水泥混凝土形成一环氧树脂水泥混凝土墙体，并于所述第二浇筑空间内浇筑普通水泥混凝土形成一普通水泥混凝土墙体；养护后拆除所述模板，完成施工。利用水泥混凝土水化放热产生温升来加热环氧树脂水泥混凝土，在保证外墙防渗漏基础上，省去环氧树脂水泥混凝土的加热养护，聚合物成膜效果好，形成的成型混凝土密实度高，防水效果优异。
The invention discloses an epoxy resin cement concrete block pouring basement exterior wall and a construction method thereof. A layer of fast and easy closing net, so that a first pouring space relatively close to the water-facing side and a second pouring space relatively far away from the water-facing side are formed between the two sides of the fast and easy closing net and the template; Pouring epoxy resin cement concrete in the first pouring space to form an epoxy resin cement concrete wall, and pouring ordinary cement concrete in the second pouring space to form an ordinary cement concrete wall; after curing, remove the formwork to complete the construction. Use cement concrete hydration to generate temperature rise to heat epoxy resin cement concrete. On the basis of ensuring the anti-leakage of the outer wall, the heating and maintenance of epoxy resin cement concrete is omitted. The polymer film-forming effect is good, and the formed concrete is formed. High density, excellent waterproof effect.
Description
技术领域technical field
本发明涉及地下室外墙的防渗漏施工方法，尤其是一种能够克服聚合物在混凝土内部孔隙间形成薄膜中，各养护龄期难以掌握，养护条件苛刻的缺陷的环氧树脂水泥混凝土分块浇筑地下室外墙及其施工方法。The invention relates to an anti-leakage construction method for the outer wall of the basement, in particular to an epoxy resin cement concrete block capable of overcoming the defects that the polymer forms a film in the pores of the concrete, the various curing ages are difficult to grasp, and the curing conditions are harsh. Pouring basement exterior wall and its construction method.
背景技术Background technique
地下室外墙渗漏是工程界的一大难题，对于地下室的裂缝预防与控制做了很多努力，但收效不佳；再加上如果地下水有腐蚀介质，如氯离子和硫酸根离子，会对钢筋混凝土结构产生严重影响，甚至会危及结构安全，使建筑结构达不到设计使用年限。环氧树脂水泥混凝土具有优良的尺寸性能，抗腐蚀性能和优良的界面粘接性能，可以用来分块浇筑在地下室外墙迎水侧。而环氧树脂(E-51)水泥混凝土的固化温度在45℃，一般工程用聚合物水泥混凝土都是先进性湿养护使水泥水化产生强度，在进行干养护使聚合物在混凝土内部孔隙间形成薄膜，其各养护龄期也难以掌握，养护条件较为苛刻，一般成型效果欠佳。Leakage of basement exterior walls is a major problem in the engineering field. Many efforts have been made to prevent and control cracks in basements, but the results are not good; The concrete structure will have a serious impact, and even endanger the safety of the structure, so that the building structure will not reach the design service life. Epoxy cement concrete has excellent dimensional properties, corrosion resistance and excellent interfacial bonding properties, and can be poured in blocks on the water-facing side of the basement exterior wall. The curing temperature of epoxy resin (E-51) cement concrete is 45°C. General engineering polymer cement concrete is advanced wet curing to hydrate the cement to generate strength, and dry curing to make the polymer in the internal pores of the concrete. Forming a thin film, it is difficult to grasp the various curing ages, the curing conditions are relatively harsh, and the general forming effect is not good.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种能够有效控制地下室外墙渗漏及防止环境腐蚀等引起钢筋混凝土结构失效，以及克服聚合物在混凝土内部孔隙间形成薄膜中，各养护龄期难以掌握，养护条件苛刻的缺陷的环氧树脂水泥混凝土分块浇筑地下室外墙及其施工方法。The technical problem to be solved by the present invention is to provide a method that can effectively control the leakage of the basement outer wall and prevent the failure of the reinforced concrete structure caused by environmental corrosion, and overcome the difficulty of controlling the curing period of the polymer in the film formed in the internal pores of the concrete. The epoxy resin cement concrete block pouring basement exterior wall and its construction method for defects with severe curing conditions.
为实现上述技术效果，本发明公开了一种环氧树脂水泥混凝土分块浇筑地下室外墙的施工方法，所述施工方法包括以下步骤：In order to achieve the above-mentioned technical effects, the present invention discloses a construction method for pouring epoxy resin cement concrete blocks into basement exterior walls. The construction method includes the following steps:
支设地下室外墙的模板，在所述模板间绑扎一层快易收口网，使所述快易收口网的两侧与所述模板之间分别形成一相对靠近迎水侧的第一浇筑空间和一相对远离所述迎水侧的第二浇筑空间；The formwork of the basement exterior wall is supported, and a layer of quick-easy closing net is bound between the formworks, so that a first pouring space relatively close to the water-facing side is formed between the two sides of the quick-easy closing net and the formwork and a second pouring space relatively far away from the water-facing side;
于所述第一浇筑空间内浇筑环氧树脂水泥混凝土形成一环氧树脂水泥混凝土墙体，并于所述第二浇筑空间内浇筑普通水泥混凝土形成一普通水泥混凝土墙体；Pouring epoxy resin cement concrete in the first pouring space to form an epoxy cement concrete wall, and pouring ordinary cement concrete in the second pouring space to form an ordinary cement concrete wall;
养护后拆除所述模板，完成施工。After maintenance, the formwork is removed to complete the construction.
所述施工方法进一步的改进在于，所述环氧树脂水泥混凝土的组分包括有E-51环氧树脂、固化剂、非离子乳化剂、阴离子乳化剂、活性稀释剂、水、水泥、砂、石和外加剂，并且所述组分的配比为20:3:2:1：5:40:100:180:250:2。The further improvement of the construction method is that the components of the epoxy resin cement concrete include E-51 epoxy resin, curing agent, nonionic emulsifier, anionic emulsifier, reactive diluent, water, cement, sand, Stone and admixture, and the ratio of the components is 20:3:2:1:5:40:100:180:250:2.
所述施工方法进一步的改进在于，所述环氧树脂水泥混凝土与所述普通水泥混凝土同时浇筑，分别振捣密实。A further improvement of the construction method is that the epoxy resin cement concrete and the ordinary cement concrete are poured at the same time and vibrated separately for compaction.
本发明还公开了一种环氧树脂水泥混凝土分块浇筑地下室外墙，所述地下室外墙沿其厚度方向包括一相对靠近迎水侧的环氧树脂水泥混凝土墙体和一相对远离所述迎水侧的普通水泥混凝土墙体，所述环氧树脂水泥混凝土墙体与所述普通水泥混凝土墙体之间设有一层快易收口网，作为所述环氧树脂水泥混凝土墙体与所述普通水泥混凝土墙体浇筑时的分隔层。The invention also discloses an epoxy resin cement concrete block-casting basement exterior wall. The basement exterior wall includes an epoxy resin cement concrete wall relatively close to the water facing side and a wall relatively far away from the facing water side along the thickness direction of the basement exterior wall. For the ordinary cement concrete wall on the water side, a layer of fast and easy closing net is arranged between the epoxy resin cement concrete wall and the ordinary cement concrete wall, as the epoxy resin cement concrete wall and the ordinary cement concrete wall. Separation layer when cement concrete wall is poured.
本发明由于采用了以上技术方案，使其具有以下有益效果是：The present invention has the following beneficial effects due to the adoption of the above technical scheme:
1、环氧树脂水泥混凝土具有优良的尺寸性能，抗腐蚀性能和优良的界面粘接性能，利用环氧树脂水泥混凝土浇筑靠近迎水侧的地下室外墙，能够有效控制地下室外墙渗漏及防止环境腐蚀等引起钢筋混凝土结构失效；1. Epoxy cement concrete has excellent dimensional performance, corrosion resistance and excellent interface bonding performance. Using epoxy resin cement concrete to pour the basement exterior wall near the water side can effectively control the leakage of the basement exterior wall and prevent Environmental corrosion, etc. cause failure of reinforced concrete structures;
2、利用普通混凝土水化放热产生一定温升来加热环氧树脂水泥混凝土，这样就省去了环氧树脂水泥混凝土所需要的加热养护，且利用混凝土自身水化热放热缓慢均匀，较常规聚合物水泥混凝土养护彻底，聚合物成膜效果好，形成的成型混凝土密实度高，防水效果优异。2. Use ordinary concrete hydration heat to generate a certain temperature rise to heat epoxy resin cement concrete, which saves the heating and maintenance required for epoxy resin cement concrete, and uses the concrete's own hydration heat to release heat slowly and evenly, which is relatively Conventional polymer cement concrete is thoroughly cured, and the polymer film-forming effect is good. The formed concrete has high density and excellent waterproof effect.
附图说明Description of drawings
图1是本发明环氧树脂水泥混凝土分块浇筑地下室外墙的结构示意图。Fig. 1 is the structural representation of the epoxy resin cement concrete pouring block of the basement exterior wall of the present invention.
图2是本发明环氧树脂水泥混凝土分块浇筑地下室外墙的支模结构示意图。Fig. 2 is a schematic diagram of the formwork structure of the epoxy resin cement concrete block pouring of the basement exterior wall of the present invention.
图3是本发明环氧树脂水泥混凝土分块浇筑地下室外墙的混凝土浇筑结构示意图。Fig. 3 is a schematic diagram of the concrete pouring structure of the epoxy resin cement concrete block pouring of the basement exterior wall according to the present invention.
具体实施方式Detailed ways
下面结合附图以及具体实施方式对本发明作进一步详细的说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
首先参阅图1所示，本发明的环氧树脂水泥混凝土分块浇筑地下室外墙包括沿其厚度方向同时浇筑的一相对靠近迎水侧10的环氧树脂水泥混凝土墙体11和一相对远离迎水侧10的普通水泥混凝土墙体12构成，环氧树脂水泥混凝土墙体11与普通水泥混凝土墙体12之间设有一层快易收口网13，该快易收口网13作为环氧树脂水泥混凝土墙体11与普通水泥混凝土墙体12混凝土浇筑时的分隔层，并于混凝土浇筑完成后，在快易收口网13处无明显空隙。环氧树脂水泥混凝土具有优良的尺寸性能，抗腐蚀性能和优良的界面粘接性能，利用环氧树脂水泥混凝土浇筑靠近迎水侧的地下室外墙，能够有效控制地下室外墙渗漏及防止环境腐蚀等引起钢筋混凝土结构失效。环氧树脂(E-51)水泥混凝土的固化温度在45℃，普通水泥混凝土水化放热产生一定温升来加热环氧树脂水泥混凝土，这样就省去了环氧树脂水泥混凝土所需要的加热养护，且利用混凝土自身水化热放热缓慢均匀，较常规聚合物水泥混凝土养护彻底，聚合物成膜效果好，形成的成型混凝土密实度高，防水效果优异。Referring first to Fig. 1, the epoxy resin cement concrete block-casting basement exterior wall of the present invention comprises an epoxy resin cement concrete wall 11 relatively close to the water-facing side 10 and a wall relatively far away from the facing water and poured simultaneously along its thickness direction. The water side 10 is composed of an ordinary cement concrete wall 12, and a layer of quick and easy closing net 13 is arranged between the epoxy resin cement concrete wall 11 and the ordinary cement concrete wall 12, and the quick and easy closing net 13 is used as an epoxy resin cement concrete The wall body 11 and the common cement concrete wall body 12 are the separation layer during concrete pouring, and after the concrete pouring is completed, there is no obvious gap at the fast and easy closing net 13. Epoxy resin cement concrete has excellent dimensional properties, corrosion resistance and excellent interface bonding performance. Using epoxy resin cement concrete to pour the basement exterior wall near the water side can effectively control the leakage of the basement exterior wall and prevent environmental corrosion lead to failure of reinforced concrete structures. The curing temperature of epoxy resin (E-51) cement concrete is 45°C. The hydration heat of ordinary cement concrete produces a certain temperature rise to heat the epoxy resin cement concrete, which saves the heating required by the epoxy resin cement concrete. Conservation, and use the concrete's own heat of hydration to release heat slowly and evenly. Compared with conventional polymer cement concrete, the curing is thorough. The polymer film-forming effect is good, and the formed concrete formed has high density and excellent waterproof effect.
本发明环氧树脂水泥混凝土分块浇筑地下室外墙的主要施工步骤如下：The main construction steps of the epoxy resin cement concrete block pouring basement exterior wall of the present invention are as follows:
1、配合图2所示，在浇筑地下室外墙混凝土前，根据预浇筑地下室外墙的厚度，将预浇筑地下室外墙沿厚度方向分为内外两块，两块之间用快易收口网13隔离，绑扎快易收口网13，于快易收口网13的两侧分别支设模板14，使快易收口网13的两侧与模板14之间分别形成一靠近迎水侧10的第一浇筑空间110和一远离迎水侧10的第二浇筑空间120；1. As shown in Figure 2, before pouring the concrete of the basement exterior wall, according to the thickness of the pre-cast basement exterior wall, divide the pre-cast basement exterior wall into two pieces along the thickness direction, and use a quick-easy closing net 13 between the two pieces Isolate, tie up the fast and easy closing net 13, respectively support the formwork 14 on both sides of the quick and easy closing net 13, so that a first pouring close to the water-facing side 10 is formed between the two sides of the quick and easy closing net 13 and the formwork 14 Space 110 and a second pouring space 120 away from the water-facing side 10;
2、分别配制普通水泥混凝土和环氧树脂水泥混凝土，环氧树脂水泥混凝土典型配制顺序为：先将E-51环氧树脂掺入固化剂、非离子乳化剂、阴离子乳化剂、活性稀释剂和水配制成水性环氧树脂乳液，再按照设计强度掺入水泥、砂石等材料搅拌均匀配制成环氧树脂水泥混凝土，环氧树脂水泥混凝土的配比如下表表1所示：2. Prepare ordinary cement concrete and epoxy resin cement concrete respectively. The typical preparation sequence of epoxy resin cement concrete is: first mix E-51 epoxy resin with curing agent, nonionic emulsifier, anionic emulsifier, reactive diluent and Water is prepared into water-based epoxy resin emulsion, and then mixed with cement, sand and other materials according to the design strength and stirred evenly to prepare epoxy resin cement concrete. The proportioning ratio of epoxy resin cement concrete is shown in Table 1 below:
表1Table 1
3、再结合图3所示，在第一浇筑空间110内浇筑环氧树脂水泥混凝土形成环氧树脂水泥混凝土墙体11，第二浇筑空间120内浇筑普通水泥混凝土形成普通水泥混凝土墙体12，两侧混凝土同时浇筑，分别振捣密实；3. As shown in FIG. 3, epoxy resin cement concrete is poured in the first pouring space 110 to form the epoxy resin cement concrete wall 11, and ordinary cement concrete is poured in the second pouring space 120 to form the ordinary cement concrete wall 12. The concrete on both sides is poured at the same time, vibrated and compacted separately;
4、带模养护7天后拆除模板14。4. Remove formwork 14 after 7 days of belt-form curing.
5、基坑回填土，完成施工。5. The foundation pit is backfilled with soil to complete the construction.
以上结合附图实施例对本发明进行了详细说明，本领域中普通技术人员可根据上述说明对本发明做出种种变化例。因而，实施例中的某些细节不应构成对本发明的限定，本发明将以所附权利要求书界定的范围作为本发明的保护范围。The present invention has been described in detail above with reference to the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention will take the scope defined by the appended claims as the protection scope of the present invention.
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| CN110258605A (en) * | 2019-05-20 | 2019-09-20 | 中国市政工程中南设计研究总院有限公司 | A kind of complex vertical cut-pff wall, production method and the template for pouring complex vertical cut-pff wall |
| CN114102860B (en) * | 2021-11-22 | 2023-05-30 | 安徽乾德建设工程有限公司 | Green pouring method of small-sized component for building construction |
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| CN201835227U (en) * | 2010-07-30 | 2011-05-18 | 杭州科博桥梁加固养护有限公司 | Bridge expansion joint structure formed by beam slab and abutment capping back wall |
| CN103321246A (en) * | 2013-06-14 | 2013-09-25 | 孔志坚 | Construction Method of Foundation Pit Using Underground Diaphragm Wall |
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