CN103174154A - A method and auxiliary dewatering device for solidly sealing underground building floor water gushing well pits - Google Patents

A method and auxiliary dewatering device for solidly sealing underground building floor water gushing well pits Download PDF

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CN103174154A
CN103174154A CN2013100923322A CN201310092332A CN103174154A CN 103174154 A CN103174154 A CN 103174154A CN 2013100923322 A CN2013100923322 A CN 2013100923322A CN 201310092332 A CN201310092332 A CN 201310092332A CN 103174154 A CN103174154 A CN 103174154A
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steel structure
water
pit
sleeve
steel
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何玉成
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DONGGUAN CAILI BUILDING MAINTAIN TECHNOLOGY CO LTD
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DONGGUAN CAILI BUILDING MAINTAIN TECHNOLOGY CO LTD
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Abstract

The invention discloses a method for sealing a water burst well pit of an underground building bottom plate, which comprises the following steps: (1) preparing an auxiliary dewatering device; (2) digging a pit on the base surface of a water burst well pit to be sealed by pouring concrete on a bottom plate of an underground building; (3) vertically fixing a steel structure sleeve in the pit; (4) draining accumulated water by using a submersible pump, pouring concrete at the same time, and enabling the submersible pump to work until the concrete poured into the water gushing well pit enters an initial setting stage; (5) after the concrete poured in the water burst well pit enters the initial setting stage, the submersible pump is suspended for pumping and draining water, and the concrete is allowed to be gelled and hardened under the condition of water soaking; (6) after the strength of the concrete reaches 60%, starting a submersible pump to pump and drain water, and anchoring a steel structure cover plate to be installed on a steel structure sleeve when the water level of a water burst well pit is reduced; (7) and (5) arranging a steel bar net outside the upper top of the auxiliary precipitation device, and then pouring concrete. The invention also discloses an auxiliary precipitation device for implementing the method.

Description

一种固封地下建筑底板涌水井坑的方法及辅助降水装置A method and auxiliary dewatering device for solidly sealing underground building floor water gushing well pits

技术领域technical field

本发明涉及建筑工程技术领域,具体涉及一种固封地下建筑底板涌水井坑的方法,及实施该方法的辅助降水装置。The invention relates to the technical field of construction engineering, in particular to a method for solidly sealing a water gushing pit on an underground building floor, and an auxiliary dewatering device for implementing the method.

背景技术Background technique

建筑工程技术领域的技术员均知道,在不断有水涌出部位浇筑上的普通混凝土,无论是强度还是密度都是无法保证的。然而,地下室底板,尤其是电梯井底板、后浇带、塔吊基础等低于地下水位的区域,在浇捣混凝土往往存在涌水现象。现行技术的常规做法,主要在其井坑的底部放入潜水泵的方式降水。此举,虽然能起到一定的作用,但仍然没有从根本上解决到实际问题。Technicians in the technical field of construction engineering know that no matter the strength or density of ordinary concrete poured on the part where water gushes out continuously, it cannot be guaranteed. However, the floor of the basement, especially the floor of the elevator shaft, the post-cast belt, the foundation of the tower crane and other areas below the groundwater level, often has water gushing when the concrete is poured. The routine way of existing technology mainly puts into the mode dewatering of submersible pump at the bottom of its well pit. Although this move can play a certain role, it still has not fundamentally solved the actual problem.

因此,迫切需要推出确保浇筑在涌水部位混凝土结构质量的相应方法。Therefore, there is an urgent need to introduce corresponding methods to ensure the quality of the concrete structure poured at the water gushing part.

发明内容Contents of the invention

为了解决上述问题,本发明公开的一种固封地下建筑底板涌水井坑的方法既大大便于施工将浇在涌水部位的混凝土震浇密实,也保障了新浇上的混凝土能顺利胶凝硬化,从而有效确保了浇筑在涌水部位的结构能达到安全要求;本发明还公开了一种实施该固封地下建筑底板涌水井坑的方法的辅助降水装置。In order to solve the above-mentioned problems, the method disclosed by the present invention is a method for sealing the water gushing pit of the underground building floor, which not only greatly facilitates the construction, but also ensures that the newly poured concrete can be gelled and hardened smoothly. Therefore, it is effectively ensured that the structure poured at the water gushing part can meet the safety requirements; the invention also discloses an auxiliary dewatering device for implementing the method for solidly sealing the water gushing pit of the bottom plate of the underground building.

本发明为实现上述目的所采用的技术方案是:The technical scheme that the present invention adopts for realizing the above object is:

一种固封地下建筑底板涌水井坑的方法,其特征在于,包括以下步骤:A method for solidly sealing a well pit for water gushing in an underground building floor, is characterized in that it comprises the following steps:

(1)制备辅助降水装置,该辅助降水装置包括钢构盖板及钢构套筒;(1) Prepare an auxiliary dewatering device, which includes a steel structure cover plate and a steel structure sleeve;

(2)在地下建筑的底板将要浇上混凝土固封的涌水井坑的基面上挖出一凹坑;(2) Dig a pit on the base surface of the water gushing well that will be poured with concrete to seal the floor of the underground building;

(3)底板内的配筋延伸至涌水井坑的凹坑内,将所述钢构套筒竖向放置在所述涌水井坑内,并将配筋与钢构套筒固定;(3) The reinforcement in the bottom plate is extended to the pit of the water gushing well, the steel structure sleeve is vertically placed in the water gushing well pit, and the reinforcement and the steel structure sleeve are fixed;

(4)在所述钢构套筒内放置入潜水泵及配套水管至涌水井坑底部,通过潜水泵将涌水井坑内积水排出,同时在涌水井坑内、钢构套筒外围浇筑上混凝土,潜水泵一直工作直至浇筑到涌水井坑内的混凝土进入初凝期,保障浇到涌水井坑的混凝土便于施工震浇密实和顺利进入到初凝期;(4) Put a submersible pump and supporting water pipes into the steel structure sleeve to the bottom of the water gushing well pit, discharge the accumulated water in the water gushing well pit through the submersible pump, and pour concrete in the water gushing well pit and the periphery of the steel structure sleeve, The submersible pump has been working until the concrete poured into the water gushing pit enters the initial setting period, so as to ensure that the concrete poured into the gushing well pit is convenient for construction to be compacted and enters the initial setting period smoothly;

(5)浇在涌水井坑内的混凝土进入到初凝期后,暂停潜水泵抽排水,让混凝土在泡水状况下胶凝硬化;(5) After the concrete poured in the water gushing pit enters the initial setting period, the submersible pump is suspended to drain the water, so that the concrete is gelled and hardened under the condition of soaking water;

(6)当步骤(5)所述混凝土的强度达到60%以后,启动潜水泵抽排水,当涌水井坑水位降低时,抽出潜水泵及配套水管,及时将所述辅助降水装置的钢构盖板锚固到安装在涌水井坑内的钢构套筒上;(6) When the strength of the concrete described in step (5) reaches 60%, start the submersible pump to pump and drain water. When the water level in the gushing pit is lowered, pull out the submersible pump and supporting water pipes, and cover the steel structure of the auxiliary dewatering device in time. The plate is anchored to the steel sleeve installed in the gushing pit;

(7)在涌水井坑的辅助降水装置上顶外面布扎上钢筋网,再浇上混凝土至齐平于涌水井表面。(7) Lay reinforcement mesh on the top and outside of the auxiliary dewatering device of the gushing well pit, and then pour concrete until it is flush with the surface of the gushing well.

作为本发明的进一步改进,所述步骤(2)具体还包括以下内容,所述涌水井坑的凹坑低于所述基面不少于100mm,直径等于或大于钢构套管内径;所述步骤(3)具体还包括以下内容,所述钢构套筒固定在低于涌水井坑表面不少于50mm的位置。As a further improvement of the present invention, the step (2) specifically also includes the following content, the pit of the water gushing pit is not less than 100mm lower than the base surface, and the diameter is equal to or greater than the inner diameter of the steel casing; The step (3) specifically includes the following content, the steel structure sleeve is fixed at a position not less than 50 mm below the surface of the water gushing pit.

作为本发明的进一步改进,所述钢构套筒下部的钢筒长度不少于100mm;在所述钢构套筒的外壁设有最少一道橡胶止水带;在所述底板内设有面层配筋和底层配筋,在所述钢构套筒的外壁分别焊接与涌水井坑内面层和底层配筋相连接的钢筋或者钢构挂钩。As a further improvement of the present invention, the length of the steel cylinder at the lower part of the steel structure sleeve is not less than 100 mm; at least one rubber waterstop is provided on the outer wall of the steel structure sleeve; a surface layer is provided inside the bottom plate For reinforcement and bottom reinforcement, the outer wall of the steel structure sleeve is welded with steel bars or steel structure hooks connected with the inner surface layer of the water gushing pit and the bottom reinforcement respectively.

作为本发明的进一步改进,所述钢构盖板是以4套或以上锚栓固定在所述钢构套筒的上;钢构盖板与钢构套筒之间设有最少一道弹性密封胶或密封胶圈。As a further improvement of the present invention, the steel structure cover plate is fixed on the steel structure sleeve with 4 or more sets of anchor bolts; at least one elastic sealant is provided between the steel structure cover plate and the steel structure sleeve or sealing ring.

作为本发明的进一步改进,所述钢构盖板设有阀门或塞头。As a further improvement of the present invention, the steel structure cover plate is provided with a valve or a plug.

作为本发明的进一步改进,所述步骤(6)具体还包括以下内容,当在有水压状况下,将钢构盖板锚固在涌水井坑的钢构套筒时,安装在钢构盖板的所述阀门或塞头是处于开启状态,以卸低作用在钢构盖板上的水压,使钢构盖板与钢构套筒能顺利锚固到位,并达到防水固封要求。As a further improvement of the present invention, the step (6) specifically includes the following content. When the steel structure cover is anchored to the steel structure sleeve of the water gushing pit under the condition of water pressure, install it on the steel structure cover The valve or plug is in an open state to reduce the water pressure acting on the steel structure cover plate, so that the steel structure cover plate and the steel structure sleeve can be anchored in place smoothly, and meet the waterproof and solid sealing requirements.

作为本发明的进一步改进,在所述钢构套筒底部设有防止潜水泵堵塞的拦栅构造。As a further improvement of the present invention, the bottom of the steel structure sleeve is provided with a grill structure to prevent the submersible pump from being blocked.

一种实施上述方法的辅助降水装置,其特征在于,其包括钢构盖板及钢构套筒,钢构盖板与钢构套筒之间设有最少一道弹性密封胶或密封胶圈,所述钢构盖板是以4套或以上锚栓固定在所述钢构套筒上;在所述钢构套筒的外壁焊接有钢筋或者钢构挂钩,在所述钢构套筒的外壁设有最少一道橡胶止水带。An auxiliary dewatering device implementing the above method is characterized in that it includes a steel structure cover plate and a steel structure sleeve, and at least one elastic sealant or sealing rubber ring is arranged between the steel structure cover plate and the steel structure sleeve. The steel structure cover plate is fixed on the steel structure sleeve with 4 or more sets of anchor bolts; steel bars or steel structure hooks are welded on the outer wall of the steel structure sleeve, and the outer wall of the steel structure sleeve is provided with There is at least one rubber waterstop.

作为本发明的进一步改进,所述钢构套筒和钢构盖板及锚栓为耐酸碱腐蚀的不锈钢材料,所述钢构套筒下部设有一段不少于100mm长的钢筒;所述钢构盖板设有阀门或塞头。As a further improvement of the present invention, the steel structure sleeve, the steel structure cover plate and the anchor bolt are stainless steel materials resistant to acid and alkali corrosion, and a steel cylinder with a length of not less than 100 mm is provided at the lower part of the steel structure sleeve; The steel structure cover plate is provided with a valve or a plug.

作为本发明的进一步改进,在所述钢构套筒底部设有防止潜水泵堵塞的拦栅构造。As a further improvement of the present invention, the bottom of the steel structure sleeve is provided with a grill structure to prevent the submersible pump from being blocked.

本发明的有益效果:在地下建筑施工中,首先挖出一个涌水井坑,放入专用的辅助降水装置及潜水泵,在潜水泵抽水的过程中,在辅助降水装置周围浇注混凝土,潜水泵工作的同时混凝土进入初凝期,暂停潜水泵抽排水,让混凝土在泡水状况下胶凝硬化;潜水泵停止抽水,待混凝土的硬度达到60%后,潜水泵再次抽水,当水位降低到一定水位后,抽出潜水泵,将辅助降水装置中的钢制钢构盖板锚固在钢制套筒上,并在辅助降水装置上扎上钢筋网,在浇上混凝土;此发明中的方法保证浇在涌水部位的混凝土震浇密实,也保障了新浇上的混凝土能顺利胶凝硬化,从而有效确保了浇筑在涌水部位的结构能达到如人所愿的要求。Beneficial effects of the present invention: in the construction of underground buildings, firstly dig out a water gushing well pit, put in a special auxiliary dewatering device and submersible pump, and pour concrete around the auxiliary dewatering device during the pumping process of the submersible pump, and the submersible pump will work At the same time that the concrete enters the initial setting period, stop the submersible pump to drain water, let the concrete gel and harden under the condition of soaking in water; the submersible pump stops pumping water, and when the hardness of the concrete reaches 60%, the submersible pump pumps water again, when the water level drops to a certain level Finally, take out the submersible pump, anchor the steel steel structure cover plate in the auxiliary dewatering device on the steel sleeve, tie a steel mesh on the auxiliary dewatering device, and pour concrete; the method in this invention ensures that the The concrete at the water gushing part is compacted by shock pouring, which also ensures that the newly poured concrete can be gelled and hardened smoothly, thus effectively ensuring that the structure poured at the water gushing part can meet the desired requirements.

本发明提供的辅助降水装置作为本发明方法实施的必要装置,固定在底板上的配筋上,能够保证涌水部位的混凝土顺利胶凝硬化。The auxiliary dewatering device provided by the present invention, as a necessary device for implementing the method of the present invention, is fixed on the reinforcement on the bottom plate, which can ensure the smooth gelation and hardening of the concrete at the water gushing part.

下面结合附图与具体实施方式,对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

附图说明Description of drawings

图1为本发明的整体结构示意图;Fig. 1 is the overall structure schematic diagram of the present invention;

图2为本发明辅助降水装置结构示意图;Fig. 2 is a structural schematic diagram of the auxiliary dewatering device of the present invention;

图中:In the picture:

1.底板           11.底板基面     12.配筋1. Bottom plate 11. Bottom plate base surface 12. Reinforcement

2.辅助降水装置   21.钢构盖板     22.钢构套筒2. Auxiliary precipitation device 21. Steel structure cover plate 22. Steel structure sleeve

23.锚栓          24.弹性密封胶   25.橡胶止水带23. Anchor bolt 24. Elastic sealant 25. Rubber waterstop

26.拦栅构造      27.钢筋         3.钢筋网。26. Barrier structure 27. Rebar 3. Reinforcement mesh.

具体实施方式Detailed ways

实施例,参见图1~图2,本发明提供的固封地下建筑底板1涌水井坑的方法,包括以下步骤:Embodiments, referring to Fig. 1 to Fig. 2, the method for sealing the underground building floor 1 water gushing pit provided by the present invention comprises the following steps:

(1)制备辅助降水装置2,该辅助降水装置2包括钢构盖板21及钢构套筒22,所述钢构盖板21是以4套或以上锚栓23固定在所述钢构套筒22的上;钢构盖板21与钢构套筒22之间设有最少一道弹性密封胶24或密封胶圈,所述钢构盖板21设有阀门或塞头;所述钢构套筒22下部的钢筒长度不少于100mm;在所述钢构套筒22的外壁设有最少一道橡胶止水带25;在所述钢构套筒22底部设有防止潜水泵堵塞的拦栅构造26;(1) Prepare the auxiliary dewatering device 2, the auxiliary dewatering device 2 includes a steel structure cover plate 21 and a steel structure sleeve 22, the steel structure cover plate 21 is fixed to the steel structure sleeve with 4 or more sets of anchor bolts 23 On the cylinder 22; at least one elastic sealant 24 or sealing rubber ring is provided between the steel structure cover plate 21 and the steel structure sleeve 22, and the steel structure cover plate 21 is provided with a valve or a plug; the steel structure sleeve The length of the steel cylinder at the lower part of the cylinder 22 is not less than 100 mm; at least one rubber waterstop 25 is provided on the outer wall of the steel structure sleeve 22; a barrier to prevent the blockage of the submersible pump is provided at the bottom of the steel structure sleeve 22 Construct 26;

(2)在地下建筑的底板将要浇上混凝土固封的涌水井坑的基面11上挖出一凹坑,所述凹坑低于所述基面不少于100mm,直径等于或大于钢构套管内径;在所述涌水井坑的底板1内设有面层配筋12和底层配筋12;在所述钢构套筒22的外壁分别焊接与涌水井坑内面层配筋12和底层配筋12相连接的钢筋27或者钢构挂钩;(2) A pit is dug on the base surface 11 of the water gushing well pit to be poured with concrete to seal the bottom plate of the underground building, the pit is not less than 100mm lower than the base surface, and the diameter is equal to or greater than that of the steel structure Inner diameter of the casing; surface reinforcement 12 and bottom reinforcement 12 are arranged in the bottom plate 1 of the well; the outer wall of the steel structure sleeve 22 is welded to the surface reinforcement 12 and the bottom in the well respectively. Reinforcing bars 27 or steel hooks connected to each other by reinforcing bars 12;

(3)底板1内的配筋12延伸至涌水井坑的凹坑内,将所述钢构套筒22竖向放置在所述涌水井坑内,并通过配筋12焊接固定在低于涌水井坑表面不少于50mm的位置上;(3) The reinforcement 12 in the bottom plate 1 extends into the pit of the water gushing well, the steel structure sleeve 22 is vertically placed in the water gushing well pit, and fixed by welding the reinforcement 12 at a position lower than the water gushing well pit On the position of not less than 50mm on the surface;

(4)在所述钢构套筒22内放置入潜水泵及配套水管至涌水井坑底部,通过潜水泵将涌水井坑内积水排出,同时在涌水井坑内、钢构套筒22外围浇筑上混凝土,混凝土的上表面低于辅助降水装置2的上表面,潜水泵一直工作直至浇筑到涌水井坑内的混凝土进入初凝期,保障浇到涌水井坑的混凝土便于施工震浇密实和顺利进入到初凝期;(4) Place a submersible pump and supporting water pipes in the steel structure sleeve 22 to the bottom of the water well pit, and discharge the accumulated water in the well pit through the submersible pump. Concrete, the upper surface of the concrete is lower than the upper surface of the auxiliary dewatering device 2, and the submersible pump works until the concrete poured into the water gushing pit enters the initial setting period, so as to ensure that the concrete poured into the gushing well pit is convenient for construction to be compacted by shaking and pouring into the well smoothly. Initial setting period;

(5)浇在涌水井坑内的混凝土进入到初凝期后,暂停潜水泵抽排水,让混凝土在泡水状况下胶凝硬化;(5) After the concrete poured in the water gushing pit enters the initial setting period, the submersible pump is suspended to drain the water, so that the concrete will gel and harden under the condition of soaking water;

(6)当步骤(5)所述混凝土的强度达到60%以后,启动潜水泵抽排水,当涌水井坑水位降低到预定水位时,取出潜水泵及配套水管,及时将所述辅助降水装置2的钢构盖板21锚固到安装在涌水井坑内的钢构套筒22上;当在有水压状况下,安装在钢构盖板21的阀门或塞头处于开启状态,以卸低作用在钢构盖板21上的水压,使钢构盖板21与钢构套筒22能顺利锚固到位,并达到防水固封要求,当钢构盖板21锚固后,关闭阀门或塞头;(6) When the strength of the concrete described in step (5) reaches 60%, start the submersible pump to pump and drain water. When the water level in the gushing well pit drops to the predetermined water level, take out the submersible pump and supporting water pipes, and promptly replace the auxiliary dewatering device 2 The steel structure cover plate 21 is anchored to the steel structure sleeve 22 installed in the gushing well pit; when there is water pressure, the valve or plug installed on the steel structure cover plate 21 is in an open state to unload the lowering effect on the The water pressure on the steel structure cover plate 21 enables the steel structure cover plate 21 and the steel structure sleeve 22 to be anchored in place smoothly, and meet the waterproof and solid sealing requirements. After the steel structure cover plate 21 is anchored, close the valve or plug;

(7)在涌水井坑的辅助降水装置2上顶外面布扎上钢筋网3,再浇上混凝土至齐平于涌水井表面,为此,完成对地下建筑底板涌水井坑的固封施工,由于施工时混凝土胶凝状态及质量得到控制,使得混凝土的强度及密度得到保证,由此保证了地下建筑底板涌水井坑的固封质量。(7) Lay reinforcement mesh 3 on the top and outside of the auxiliary dewatering device 2 of the water gushing well, and then pour concrete until it is flush with the surface of the water gushing well. Since the cementation state and quality of the concrete are controlled during construction, the strength and density of the concrete are guaranteed, thereby ensuring the quality of the solidification of the underground building floor for water gushing wells.

本发明提供的实施上述方法的辅助降水装置2,其包括钢构盖板21及钢构套筒22,所述钢构盖板21是以4套或以上锚栓23固定在所述钢构套筒22上;钢构盖板21与钢构套筒22之间设有最少一道弹性密封胶24或密封胶圈;所述钢构套筒22和钢构盖板21及锚栓23为耐酸碱腐蚀的不锈钢材料;所述钢构套筒22下部设有一段不少于100mm长的钢筒;在所述钢构套筒22的外壁设有最少一道橡胶止水带25;在所述钢构套筒22的外壁焊接有与底板1内设有的内面层配筋12和底层配筋12相配合的钢筋27或者钢构挂钩;所述钢构盖板21设有阀门或塞头,该阀门或塞头的作用是,当在有水压状况下,安装在钢构盖板21的阀门或塞头处于开启状态,以卸低作用在钢构盖板21上的水压,使钢构盖板21与钢构套筒22能顺利锚固到位,并达到防水固封要求。The auxiliary dewatering device 2 for implementing the above method provided by the present invention includes a steel structure cover plate 21 and a steel structure sleeve 22, and the steel structure cover plate 21 is fixed to the steel structure sleeve with 4 or more sets of anchor bolts 23 On the cylinder 22; at least one elastic sealant 24 or sealing rubber ring is provided between the steel structure cover plate 21 and the steel structure sleeve 22; the steel structure sleeve 22, the steel structure cover plate 21 and the anchor bolt 23 are acid-resistant Alkali-corroded stainless steel material; the lower part of the steel structure sleeve 22 is provided with a steel cylinder not less than 100 mm long; at least one rubber waterstop 25 is provided on the outer wall of the steel structure sleeve 22; The outer wall of the structural sleeve 22 is welded with a steel bar 27 or a steel hook that matches the inner surface reinforcement 12 and the bottom reinforcement 12 provided in the bottom plate 1; the steel structure cover 21 is provided with a valve or a plug, The function of the valve or plug is that, when there is water pressure, the valve or plug installed on the steel structure cover 21 is in an open state, so as to lower the water pressure acting on the steel structure cover 21 and make the steel structure cover 21 open. The structural cover plate 21 and the steel structural sleeve 22 can be anchored in place smoothly, and meet the waterproof and solid sealing requirements.

本发明的辅助降水装置2与地板配筋12配合使用,根据配筋12的分布调整焊接在钢构套筒22上的钢筋27或者钢构挂钩,辅助降水装置2能够稳定地固定在所需位置,并通过两次混凝土的浇注施工及钢筋网3的辅助作用,达到施工的高要求。The auxiliary dewatering device 2 of the present invention is used in conjunction with the floor reinforcement 12, and the steel bar 27 welded on the steel structure sleeve 22 or the steel structure hook is adjusted according to the distribution of the reinforcement 12, and the auxiliary dewatering device 2 can be stably fixed at the desired position , and through the two times of concrete pouring construction and the auxiliary function of the steel mesh 3, the high requirements of the construction are met.

本发明并不限于上述实施方式,采用与本发明上述实施例相同或近似方法及装置,而得到的其他用于固封地下建筑底板涌水井坑的方法及辅助降水装置,均在本发明的保护范围之内。The present invention is not limited to the above-mentioned embodiments, and other methods and auxiliary dewatering devices for sealing underground building floor water gushing pits obtained by adopting the same or similar methods and devices as the above-mentioned embodiments of the present invention are covered by the protection of the present invention. within range.

Claims (10)

1.一种固封地下建筑底板涌水井坑的方法,其特征在于,包括以下步骤:1. A method for sealing underground building floor gushing well pit, is characterized in that, comprises the following steps: (1)制备辅助降水装置,该辅助降水装置包括钢构盖板及钢构套筒;(1) Prepare an auxiliary dewatering device, which includes a steel structure cover plate and a steel structure sleeve; (2)在地下建筑的底板将要浇上混凝土固封的涌水井坑的基面上挖出一凹坑;(2) Dig a pit on the base surface of the water gushing well that will be poured with concrete to seal the floor of the underground building; (3)底板内的配筋延伸至涌水井坑内,将所述钢构套筒竖向放置在所述涌水井坑的凹坑内,并将配筋与钢构套筒固定;(3) The reinforcement in the bottom plate is extended to the water gushing well pit, the steel structure sleeve is placed vertically in the pit of the water gushing well pit, and the reinforcement and the steel structure sleeve are fixed; (4)在所述钢构套筒内放置入潜水泵及配套水管至涌水井坑底部,通过潜水泵将涌水井坑内积水排出,同时在涌水井坑内、钢构套筒外围浇筑上混凝土,潜水泵一直工作直至浇筑到涌水井坑内的混凝土进入初凝期,保障浇到涌水井坑的混凝土便于施工震浇密实和顺利进入到初凝期;(4) Put a submersible pump and supporting water pipes into the steel structure sleeve to the bottom of the water gushing well pit, discharge the accumulated water in the water gushing well pit through the submersible pump, and pour concrete in the water gushing well pit and the periphery of the steel structure sleeve, The submersible pump has been working until the concrete poured into the water gushing pit enters the initial setting period, so as to ensure that the concrete poured into the gushing well pit is convenient for construction to be compacted and enters the initial setting period smoothly; (5)浇在涌水井坑内的混凝土进入到初凝期后,暂停潜水泵抽排水,让混凝土在泡水状况下胶凝硬化;(5) After the concrete poured in the water gushing pit enters the initial setting period, the submersible pump is suspended to drain the water, so that the concrete is gelled and hardened under the condition of soaking water; (6)当步骤(5)所述混凝土的强度达到60%以后,启动潜水泵抽排水,当涌水井坑水位降低时,取出潜水泵及配套水管,及时将所述辅助降水装置的钢构盖板锚固到安装在涌水井坑内的钢构套筒上;(6) When the strength of the concrete described in step (5) reaches 60%, start the submersible pump to pump and drain water. When the water level in the gushing well pit is lowered, take out the submersible pump and supporting water pipes, and cover the steel structure of the auxiliary dewatering device in time. The plate is anchored to the steel sleeve installed in the gushing pit; (7)在涌水井坑的辅助降水装置上顶外面布扎上钢筋网,再浇上混凝土至齐平于涌水井表面。(7) Lay reinforcement mesh on the top and outside of the auxiliary dewatering device of the gushing well pit, and then pour concrete until it is flush with the surface of the gushing well. 2.根据权利要求1所述的固封地下建筑底板涌水井坑的方法,其特征在于,所述步骤(2)具体还包括以下内容,所述涌水井坑的凹坑低于所述基面不少于100mm,直径等于或大于钢构套管内径;所述步骤(3)具体还包括以下内容,所述钢构套筒固定在低于涌水井坑表面不少于50mm的位置。2. The method for sealing the water gushing well pit on the floor of an underground building according to claim 1, characterized in that the step (2) specifically further includes the following content, the pit of the water gushing well pit is lower than the base surface The diameter is not less than 100mm, and the diameter is equal to or greater than the inner diameter of the steel casing; the step (3) specifically also includes the following content, the steel casing is fixed at a position not less than 50mm below the surface of the water gushing pit. 3.根据权利要求1所述的固封地下建筑底板涌水井坑的方法,其特征在于,所述钢构套筒下部的钢筒长度不少于100mm;在所述钢构套筒的外壁设有最少一道橡胶止水带;在所述底板内设有面层配筋和底层配筋,在所述钢构套筒的外壁分别焊接与涌水井坑内面层和底层配筋相连接的钢筋或者钢构挂钩。3. The method for sealing underground building floor water gushing pits according to claim 1, characterized in that the length of the steel cylinder at the bottom of the steel structure sleeve is not less than 100mm; There is at least one rubber waterstop; surface reinforcement and bottom reinforcement are arranged in the bottom plate, and steel bars connected to the surface layer and bottom reinforcement in the well pit are respectively welded on the outer wall of the steel structure sleeve or Steel hooks. 4.根据权利要求1所述的固封地下建筑底板涌水井坑的方法,其特征在于,所述钢构盖板是以4套或以上锚栓固定在所述钢构套筒的上;钢构盖板与钢构套筒之间设有最少一道弹性密封胶或密封胶圈。4. The method for sealing the water gushing pit of an underground building floor according to claim 1, wherein the steel structure cover plate is fixed on the steel structure sleeve with 4 or more sets of anchor bolts; There is at least one elastic sealant or sealing rubber ring between the structure cover plate and the steel structure sleeve. 5.根据权利要求1所述的固封地下建筑底板涌水井坑的方法,其特征在于,所述钢构盖板设有阀门或塞头。5 . The method for sealing the well pit for water gushing on the floor of an underground building according to claim 1 , wherein the steel structure cover plate is provided with a valve or a plug. 6 . 6.根据权利要求5所述的固封地下建筑底板涌水井坑的方法,其特征在于,所述步骤(6)具体还包括以下内容,当在有水压状况下,将钢构盖板锚固在涌水井坑的钢构套筒时,安装在钢构盖板的所述阀门或塞头是处于开启状态,以卸低作用在钢构盖板上的水压,使钢构盖板与钢构套筒能顺利锚固到位,并达到防水固封要求。6. The method for sealing the water gushing pit of the underground building floor according to claim 5, characterized in that the step (6) specifically further includes the following content, when there is water pressure, the steel structure cover plate is anchored When the steel structure sleeve of the water gushing well pit is installed, the valve or plug installed on the steel structure cover plate is in an open state to relieve the water pressure acting on the steel structure cover plate, so that the steel structure cover plate and the steel structure cover plate The structural sleeve can be anchored in place smoothly and meet the requirements of waterproof and solid sealing. 7.根据权利要求1所述的固封地下建筑底板涌水井坑的方法,其特征在于,在所述钢构套筒底部设有防止潜水泵堵塞的拦栅构造。7. The method for sealing the well pit for water gushing on the floor of an underground building according to claim 1, characterized in that, a barrier structure for preventing the clogging of the submersible pump is provided at the bottom of the steel structure sleeve. 8.一种实施权利要求1-7之一所述方法的辅助降水装置,其特征在于,其包括钢构盖板及钢构套筒,钢构盖板与钢构套筒之间设有最少一道弹性密封胶或密封胶圈,所述钢构盖板是以4套或以上锚栓固定在所述钢构套筒上;在所述钢构套筒的外壁焊接有钢筋或者钢构挂钩,在所述钢构套筒的外壁设有最少一道橡胶止水带。8. An auxiliary dewatering device for implementing the method according to any one of claims 1-7, characterized in that it comprises a steel structure cover plate and a steel structure sleeve, and a minimum of An elastic sealant or sealing rubber ring, the steel structure cover plate is fixed on the steel structure sleeve with 4 or more sets of anchor bolts; steel bars or steel structure hooks are welded on the outer wall of the steel structure sleeve, At least one rubber waterstop is provided on the outer wall of the steel structure sleeve. 9.根据权利要求8所述的辅助降水装置,其特征在于,所述钢构套筒和钢构盖板及锚栓为耐酸碱腐蚀的不锈钢材料,所述钢构套筒下部设有一段不少于100mm长的钢筒;所述钢构盖板设有阀门或塞头。9. The auxiliary dewatering device according to claim 8, characterized in that, the steel structure sleeve, the steel structure cover plate and the anchor bolt are stainless steel materials resistant to acid and alkali corrosion, and the lower part of the steel structure sleeve is provided with a section A steel cylinder not less than 100mm long; the steel structure cover plate is provided with a valve or a plug. 10.根据权利要求8所述的辅助降水装置,其特征在于,在所述钢构套筒底部设有防止潜水泵堵塞的拦栅构造。10 . The auxiliary dewatering device according to claim 8 , characterized in that, a barrier structure for preventing the submersible pump from being blocked is provided at the bottom of the steel structure sleeve. 11 .
CN2013100923322A 2013-03-21 2013-03-21 A method and auxiliary dewatering device for solidly sealing underground building floor water gushing well pits Pending CN103174154A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060622A (en) * 2014-07-14 2014-09-24 云南建工第四建设有限公司 Method for discharging water in pint through steel bucket in pit
CN106638638A (en) * 2016-12-30 2017-05-10 上海建工二建集团有限公司 Large-diameter casing pipe process foundation pit emergency system and construction method thereof
CN108755931A (en) * 2018-07-04 2018-11-06 中铁隧道局集团有限公司 The Long span precast assembly bottom plate and its splicing structure and installation method of a kind of same stake connection
CN109723071A (en) * 2019-02-23 2019-05-07 杭州昂创科技有限公司 The construction method of the built-in double-layer steel drum drainage system after the basement floor is poured

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194031A (en) * 2005-01-17 2006-07-27 Ps Mitsubishi Construction Co Ltd Pillar construction method
CN201172828Y (en) * 2008-03-19 2008-12-31 山西第六建筑有限公司 Well-covering device for dewatering well
CN102051885A (en) * 2009-10-27 2011-05-11 江苏建业建设集团有限公司 Process for absorbing and discharging water under deep foundation concrete
CN202466607U (en) * 2011-12-27 2012-10-03 中建八局第四建设有限公司 Water-descending barrel
CN202787334U (en) * 2012-07-16 2013-03-13 杭州萧宏建设集团有限公司 Sealing structure of deep well casing used during tunnel construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194031A (en) * 2005-01-17 2006-07-27 Ps Mitsubishi Construction Co Ltd Pillar construction method
CN201172828Y (en) * 2008-03-19 2008-12-31 山西第六建筑有限公司 Well-covering device for dewatering well
CN102051885A (en) * 2009-10-27 2011-05-11 江苏建业建设集团有限公司 Process for absorbing and discharging water under deep foundation concrete
CN202466607U (en) * 2011-12-27 2012-10-03 中建八局第四建设有限公司 Water-descending barrel
CN202787334U (en) * 2012-07-16 2013-03-13 杭州萧宏建设集团有限公司 Sealing structure of deep well casing used during tunnel construction

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060622A (en) * 2014-07-14 2014-09-24 云南建工第四建设有限公司 Method for discharging water in pint through steel bucket in pit
CN104060622B (en) * 2014-07-14 2016-02-10 云南建工第四建设有限公司 Steel drum Yield rainfall relation method is cheated in a kind of hole
CN106638638A (en) * 2016-12-30 2017-05-10 上海建工二建集团有限公司 Large-diameter casing pipe process foundation pit emergency system and construction method thereof
CN108755931A (en) * 2018-07-04 2018-11-06 中铁隧道局集团有限公司 The Long span precast assembly bottom plate and its splicing structure and installation method of a kind of same stake connection
CN108755931B (en) * 2018-07-04 2024-01-16 中铁隧道局集团有限公司 Large-span assembly structure connected with pile and installation method thereof
CN109723071A (en) * 2019-02-23 2019-05-07 杭州昂创科技有限公司 The construction method of the built-in double-layer steel drum drainage system after the basement floor is poured
CN109723071B (en) * 2019-02-23 2021-02-09 杭州昂创科技有限公司 Construction method of double-layer steel drum drainage system built in basement floor post-cast strip

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