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CN106592580B - A kind of the prefabricated pile device and its construction method of the fast permeable speed of self-pressurization - Google Patents

A kind of the prefabricated pile device and its construction method of the fast permeable speed of self-pressurization Download PDF

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Publication number
CN106592580B
CN106592580B CN201611241986.7A CN201611241986A CN106592580B CN 106592580 B CN106592580 B CN 106592580B CN 201611241986 A CN201611241986 A CN 201611241986A CN 106592580 B CN106592580 B CN 106592580B
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prefabricated pile
pile device
self
water
steel pipe
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CN106592580A (en
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李雄威
王英珺
朱建群
史贵才
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Jiangsu Road Construction Engineering Co Ltd
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Changzhou Institute of Technology
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Architecture (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

本发明公开了一种自加压快速透水的预制桩装置及其施工方法。该装置包括顶板、底板、加肋钢管、钢筋混凝土透水结构。钢筋混凝土透水结构套设于加肋钢管外部。顶板和底板分别固定于预制桩装置两端,并设有与加肋钢管相连通的通孔。加肋钢管和钢筋混凝土透水结构之间留有间隙,形成空腔。空腔内填充三维立体多孔材料,钢筋混凝土透水结构上设有滤水口,并内衬土工布反滤层。预制桩装置的顶板设置孔道与屋面排水系统连接。本发明应用于海绵城市建设,可加速雨水向土体中的渗透,最终目的是把雨水尽可能多和尽快的留在土体中。施工方法简便、可行,可以在住宅、公共建筑和构筑物建设中进行应用推广。

The invention discloses a self-pressurized and fast water-permeable prefabricated pile device and a construction method thereof. The device includes a top plate, a bottom plate, a ribbed steel pipe, and a reinforced concrete permeable structure. The reinforced concrete permeable structure is sleeved on the outside of the ribbed steel pipe. The top plate and the bottom plate are respectively fixed on both ends of the prefabricated pile device, and are provided with through holes connected with the ribbed steel pipe. A gap is left between the ribbed steel pipe and the reinforced concrete permeable structure to form a cavity. The cavity is filled with three-dimensional porous materials, and the reinforced concrete permeable structure is provided with a water filter, which is lined with a geotextile filter layer. The top plate of the prefabricated pile device is provided with tunnels to connect with the roof drainage system. The invention is applied to the construction of sponge city, can accelerate the infiltration of rainwater into the soil body, and the ultimate purpose is to keep the rainwater in the soil body as much as possible and as soon as possible. The construction method is simple and feasible, and can be applied and popularized in the construction of houses, public buildings and structures.

Description

A kind of the prefabricated pile device and its construction method of the fast permeable speed of self-pressurization
Technical field
The present invention relates to a kind of prefabricated pile device and method of the fast permeable speed of self-pressurization, belong to applying in field of civil engineering Work technology class mainly applies the urban construction of city sponge, accelerates infiltration of the rainwater into the soil body.
Background technique
In previous urban construction, the control of rainwater is with " quickly excluding " and " end concentration " for basic concept.And it is this Way is exactly that the major reason of urban waterlogging occurs.A large amount of rainwater are drained, and are generally utilized coarse pipe duct system, are realized rainwater Collect and concentrate nearby discharge.If encountering heavy rain, a large amount of rainfall runofves and its pollutant of carrying are defeated in the shorter time It send to pipe duct end, leads to downstream area waterlogging increased risk.
In fact, if most of rainwater is left rather than is drained, rainwater can be realized to the maximum extent in urban area Accumulation, infiltration and purification, promote the utilization and ecological environmental protection of rainwater resource.Rainwater stays few row more, is just " sponge city The basic concept in city ".
Sponge city is exactly to liken city as sponge, and encountering " can absorb, deposit on the spot or nearby when having rainfall Storage, infiltration, purification " runoff rainwater, recharge of groundwater adjust water saving circulating, and the water that will be stored of having ready conditions in drought and water shortage " is released Put " it comes out and is used, to allow migratory movement of the water in city more " nature ".That is, " sponge city " has Hope that the water for largely draining into pipe duct end originally is the links such as, which pass through absorption in advance, save, permeate, to be digested, and is become to crack and " is met rain Must flood " effective way.
After sponge city is built up, the rainwater drained and the rainwater left will realize " projecting ".For example, with previous seat city 70% water all discharges into fastly drains into pipeline, and sponge city then will allow 70% water to leave.
Sponge city refers to that city can have in terms of adapting to environmental change and reply as sponge Good " elasticity ", water suction, water storage, infiltration, water purification when raining, the water stored when needing discharged and be used.Sponge city City's construction should follow the principles such as Ecology Precedence, and natural way is combined with artificial measures, ensure municipal drainage prevention waterlogging safety Under the premise of, realize that rainwater in the accumulation, infiltration and purification of urban area, promotes the utilization and life of rainwater resource to the maximum extent State environmental protection.In sponge Process of Urban Development, the systematicness of natural precipitation, surface water and groundwater should be planned as a whole, coordinate to Each link of the water circulation uses such as water, draining, and consider its complexity and chronicity.A kind of prefabricated pile dress of the fast permeable speed of self-pressurization It sets and method, mainly applies the urban construction of city sponge, accelerate infiltration of the rainwater into the soil body, final purpose is that rainwater to the greatest extent may be used More than energy stay in " cavernous body " more.
Summary of the invention
That the object of the present invention is to provide a kind of structures is simple, convenient for execute-in-place, project cost is cheap, meets roofing rain Quickly the lower water permeable device seeped and method, the present invention make full use of the engineering characteristic of foundation pile to water, and the prefabricated pile of fast permeable speed is arranged Device forms the technology for blending stagnant storage under a kind of quickly and effectively rain water on roof, meets using the head pressure of rain water on roof The construction characteristics in " sponge city ".
Technical scheme is as follows:
The present invention provides a kind of prefabricated pile device of fast permeable speed of self-pressurization, including top plate and bottom plate, ribbing steel pipe, reinforcing bar Concrete permeable structure, the reinforced concrete permeable structure are sheathed on outside ribbing steel pipe, and the top plate and bottom plate are solid respectively Due to prefabricated pile device both ends, and it is equipped with the through-hole being connected with ribbing steel pipe, ribbing steel pipe and reinforced concrete permeable structure Between there are gap, form cavity, fill 3 D stereo porous material in the cavity, in the reinforced concrete permeable structure Equipped with drainage mouth, and liner geotextiles loaded filter.
Further, the inside of the ribbing steel pipe is fixedly installed several ribbed stiffeners.
Further, the drainage opening's edge prefabricated pile device is axially and radially evenly arranged.
Further, the prefabricated pile device is prefabricated tubulose or rectangular.
Further, it is connect in the top plate setting duct of the prefabricated pile device with roof drainage system.
Further, overflow device is arranged in the drainage system, and the gap of overflow device is connect with drainage pipeline, the city Xia Tong Political affairs drainage pipeline networks, the difference of gap absolute altitude and level of ground water absolute altitude form maximum head pressure, thus determine pipeline pressure-bearing lotus It carries.
Further, two preserved pipelines, a water inlet, another exhaust and row are set in the top plate of the prefabricated pile device Cleaning system is washed away in maintenance phase formation in water, two root canal roads.
The present invention also provides a kind of construction methods of the prefabricated pile device of the fast permeable speed of self-pressurization, include the following steps:
1) pile extension: more than the ordinary water level of underground or soil layer range or non-pressure water or weak pressure-bearing water area that permeability is strong The prefabricated pile device of the fast permeable speed of self-pressurization is set;
2) piling: the prefabricated pile device form of construction work of fast permeable speed is identical as the conventional construction method of prefabricated pile, uses static pressure Method or hammer-impact construction;
3) stake is cut: in the case where needing to lengthen prefabricated pile device: or by bottom plate using welding or cementing side Method, at the top of conventional prefabricated pile ring flange or pre-embedded steel slab be coupled;Or segmentation takes welding or cementing method to be connect Pile driving construction carries out cutting stake when reaching construction elevation, and the ribbing power transmission steel pipe for cutting stake position is fixed with top plate to be coupled;
4) top plate is coupled: the fast prefabricated pile device of permeable speed and the bind mode of pile foundation support table, identical as conventional prefabricated pile;
5) top plate pipe link: the top plate reserving hole channel of fast permeable speed prefabricated pile device passes through pipeline and roof drainage system It is connected, pipeline passes through pile foundation support table;
6) top plate pipeline and roof drainage system connection: the top plate of fast permeable speed prefabricated pile device sets two root canal roads, and one Overflow device is arranged in pipeline and roof drainage system connection, drainage system, and spillway hole is connected with city planting ductwork;It does in another root canal road Exhaust, drainage hole, are arranged valve, and cleaning system is washed away in maintenance phase formation in two root canal roads.
The beneficial effects of the invention are that: it is applied to sponge urban construction, infiltration of the rainwater into the soil body, final mesh can be accelerated Be that rainwater mostly and is as soon as possible stayed in the soil body as far as possible.Construction method is easy, feasible, can house, public building and Application is carried out in structures construction.
Detailed description of the invention
Fig. 1 is the appearance assumption diagram of apparatus of the present invention.
Fig. 2 is the longitudinal sectional drawing along the central axes Fig. 1.
Fig. 3 is the transverse cross-sectional view of Fig. 1.
Fig. 4 cuts stake top plate welding schematic diagram.
The prefabricated pile device of the fast permeable speed of Fig. 5 self-pressurization is coupled (welding or cementing) with conventional prefabricated pile.
The connection (welding or cementing) of the fast permeable speed prefabricated pile device of the multiple self-pressurizations of Fig. 6.
The prefabricated pile device of the fast permeable speed of Fig. 7 self-pressurization.
In figure: 1- top plate;2- drainage mouth;3- bottom plate;4- ribbing steel pipe;5- ribbed stiffener;6- 3 D stereo porous material;7- Geotextiles loaded filter;8- reinforced concrete permeable structure;9- weld seam;10- drainage pipeline;11- valve;12- overflow device.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of structure of the prefabricated pile device of the fast permeable speed of self-pressurization of the present invention is as shown in Figs. 1-3.
The prefabricated pile device of fast permeable speed can be prefabricated tubulose or rectangular, length and conventional prefabricated tubular pile or square pile one It causes, it can be with conventional prefabricated tubular pile or square pile matching operation.The prefabricated pile device of fast permeable speed is by top plate 1, bottom plate 3, ribbing steel pipe 4, the part such as cavity and reinforced concrete permeable structure 8 forms, and 3 D stereo porous material 6, armored concrete are filled in cavity Permeable structure 8 sets 2 liner geotextiles loaded filter 7 of drainage mouth, is equipped with ribbed stiffener 5 in ribbing steel pipe 4.
The prefabricated pile device of fast permeable speed is arranged duct in top plate 1 and connect with roof drainage system, as shown in Figure 7.Draining Overflow device 12 can be arranged according to pipeline bearing capacity in system, and gap is connect with drainage pipeline 10, lower logical municipal drainage pipe network, The difference of gap absolute altitude and level of ground water absolute altitude, forms maximum head pressure, thus determines pipeline pressure-bearing load.
Two preserved pipelines, a water inlet, another exhaust and draining is arranged in the top plate 1 of fast permeable speed prefabricated pile device, Two root canal roads can form in maintenance phase and wash away cleaning system.
A kind of construction method of the prefabricated pile device of the fast permeable speed of self-pressurization of the present invention is as follows:
The normal prefabricated pile pressing pile construction of step 1).
The prefabricated pile device pile connection construction of the fast permeable speed of step 2) self-pressurization.
The prefabricated pile device pressing pile construction of the fast permeable speed of step 3) self-pressurization.
The prefabricated pile device cutting piles of the fast permeable speed of step 4) self-pressurization.
Top plate is coupled after the prefabricated pile device of the fast permeable speed of step 5) self-pressurization cuts stake.
The prefabricated pile device top plate pipe link of the fast permeable speed of step 6) self-pressurization.
The prefabricated pile device top plate pipeline of the fast permeable speed of step 7) self-pressurization and roof drainage system connection, overflow device and Valve installation.
Specific step is as follows:
1) preferentially more than the ordinary water level of underground or the prefabricated pile device of fast permeable speed is arranged in soil layer range that permeability is strong, The prefabricated pile device of fast permeable speed can be set in non-pressure water or weak pressure-bearing water area;
2) the prefabricated pile device form of construction work of fast permeable speed is identical as the conventional construction method of prefabricated pile, that is, can use static pressure Method or hammer-impact construction;Hammering method is that soil is overcome so that stake is sunk to predetermined supporting course the resistance of stake using the impact of pile monkey;Static pressure Method is to provide counter-force by the mechanism of pile of static pile press with the counterweight in pile press machine self weight and rack to be pressed into prefabricated pile Process for sinking in soil.
3) the prefabricated pile device of fast permeable speed can be by bottom plate using welding or cementing method, with conventional prefabricated pile top Ring flange or pre-embedded steel slab be coupled;As shown in Figure 5;
4) long according to construction stake, the prefabricated pile device sectional of fast permeable speed takes welding or cementing method to carry out pile extension Construction, but must guarantee the perforation of adjacent fast permeable speed prefabricated pile device reserving hole channel;As shown in Figure 6;Construction elevation is reached, it can be with Stake is cut, the method that the ribbing power transmission steel pipe for cutting stake position can take welding with top plate is coupled;Cut 9 structure of stake top plate welded seam such as Shown in Fig. 4.
7) the fast prefabricated pile device of permeable speed and the bind mode of pile foundation support table are identical as conventional prefabricated pile;It is conventional prefabricated The connecting method of stake and pile foundation support table: generally prefabricated pile is all hollow, pours certain altitude concrete in stake in-core and is inserted into Corresponding reinforcing bar, it is desirable that reinforcing bar anchors into cushion cap certain size, can also weld anchor bar in prefabricated pile end plate, and anchor into one scale of cushion cap It is very little;
8) the top plate reserving hole channel of fast permeable speed prefabricated pile device is connected by pipeline with roof drainage system, and pipeline passes through Pile foundation support table;
9) top plate of fast permeable speed prefabricated pile device sets two root canal roads, a root canal road and roof drainage system connection, draining Overflow device is arranged in system, and spillway hole is connected with city planting ductwork;Another root canal road can be vented, drainage hole, be arranged valve 11, and two Root canal road can form in maintenance phase and wash away cleaning system.
Rainwater is entered the cavity of fast permeable speed prefabricated pile device by roof drainage system, forms pressure head according to rainfall, Accelerate the water body in cavity, passes through reinforced concrete permeable structure soil body penetration around.
The new device and new method quickly seeped down the invention belongs to urban architecture rainwater, in the process of construction of urbanization In, the construction in sponge city is extremely urgent.The present invention effectively uses the theory in " sponge city ", enables city as sea It is continuous the same, there is good " elasticity " in terms of adapting to environmental change and reply, water suction, water storage, infiltration when raining The water stored is discharged and is used when needing by water, water purification.The present invention follows the principles such as Ecology Precedence, by natural way with Artificial measures combine, and under the premise of ensuring municipal drainage prevention waterlogging safety, realize rainwater in urban area to the maximum extent Accumulate, permeate and purify, promotes the utilization and ecological environmental protection of rainwater resource.The present invention plan as a whole natural precipitation, surface water and The systematicness of underground water coordinates each links of water circulation uses such as water supply, draining, and considers its complexity and chronicity.The present invention It is that can accelerate the lower infiltration of rainwater in the quick lower device seeped of below ground suitable for building roofing draining, alleviate heavy rain pair The pressure of urban waterlogging.Of the invention sets suitable for house, public building and municipal engineering construction.
Present invention combination construction of structures foundation construction process is arranged water-permeable prefabricated pile device in underground, utilizes roofing The high water head of water level, accelerates the quick lower row of roof ponding, and enters to be seeped into the soil body to greatest extent.The fast permeable speed of self-pressurization Prefabricated pile device and method are efficiently feasible, can not only guarantee the load-carrying properties of foundation pile, but also can form natural and artificial draining Channel meets the sponge urban construction demand of water suction, water storage, infiltration when raining, has a extensive future.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (6)

1.一种自加压快速透水的预制桩装置,其特征在于:包括顶板(1)、底板(3)、加肋钢管(4)、钢筋混凝土透水结构(8),所述钢筋混凝土透水结构(8)套设于加肋钢管(4)外部,所述顶板(1)和底板(3)分别固定于预制桩装置两端,并设有与加肋钢管(4)相连通的通孔,加肋钢管(4)和钢筋混凝土透水结构(8)之间留有间隙,形成空腔,所述空腔与屋面排水系统相连,利用屋面降雨水位高差形成压力水头,随着雨水汇集自行加压,加速雨水向土体渗透,所述空腔内填充三维立体多孔材料(6),所述钢筋混凝土透水结构(8)上设有滤水口(2),并内衬土工布反滤层(7);所述加肋钢管(4)的内部固定设置有若干加劲肋(5)。1. A prefabricated pile device of self-pressurization and rapid water permeability is characterized in that: comprising a top plate (1), a bottom plate (3), a ribbed steel pipe (4), a reinforced concrete permeable structure (8), the reinforced concrete permeable structure (8) is sleeved on the outside of the ribbed steel pipe (4), the top plate (1) and the bottom plate (3) are respectively fixed on both ends of the prefabricated pile device, and are provided with through holes communicating with the ribbed steel pipe (4), A gap is left between the ribbed steel pipe (4) and the reinforced concrete permeable structure (8) to form a cavity, and the cavity is connected to the roof drainage system. pressure to accelerate the penetration of rainwater into the soil, the cavity is filled with three-dimensional porous material (6), the reinforced concrete permeable structure (8) is provided with a water filter (2), and is lined with a geotextile filter layer ( 7); a plurality of stiffening ribs (5) are fixedly arranged inside the ribbed steel pipe (4). 2.根据权利要求1所述的一种自加压快速透水的预制桩装置,其特征在于:所述滤水口(2)沿预制桩装置的轴向和径向均匀布置。2 . The self-pressurized and fast water-permeable prefabricated pile device according to claim 1 , wherein the water filtering ports ( 2 ) are evenly arranged along the axial and radial directions of the prefabricated pile device. 3 . 3.根据权利要求1所述的一种自加压快速透水的预制桩装置,其特征在于:所述预制桩装置的截面是圆形或方形。3 . The self-pressurized and fast water-permeable prefabricated pile device according to claim 1 , wherein the cross section of the prefabricated pile device is circular or square. 4 . 4.根据权利要求1所述的一种自加压快速透水的预制桩装置,其特征在于:在所述预制桩装置的顶板设置孔道与屋面排水系统连接。4. A self-pressurized and fast water-permeable prefabricated pile device according to claim 1, characterized in that: holes are arranged on the top plate of the prefabricated pile device to be connected to the roof drainage system. 5.根据权利要求4所述的一种自加压快速透水的预制桩装置,其特征在于:所述排水系统设置溢水装置,溢水装置的溢水口与排水管道连接,下通市政排水管网,溢水口标高与地下水位标高之差,形成最大水头压力,由此来确定管道承压荷载。5. A self-pressurized and fast water-permeable prefabricated pile device according to claim 4, characterized in that: the drainage system is provided with an overflow device, and the overflow port of the overflow device is connected with a drainage pipe, which is connected to the municipal drainage pipe network, The difference between the elevation of the overflow outlet and the elevation of the groundwater level forms the maximum head pressure, thereby determining the pressure bearing load of the pipeline. 6.根据权利要求4所述的一种自加压快速透水的预制桩装置,其特征在于:在所述预制桩装置的顶板设置两根预留管道,一根进水,另一根排气和排水,两根管道在维护阶段形成冲涮清洗系统。6 . The self-pressurized and fast water-permeable prefabricated pile device according to claim 4 , wherein two reserved pipes are arranged on the top plate of the prefabricated pile device, one for water intake and the other for exhaust air. 7 . and drainage, the two pipes form a flush cleaning system during the maintenance phase.
CN201611241986.7A 2016-12-29 2016-12-29 A kind of the prefabricated pile device and its construction method of the fast permeable speed of self-pressurization Active CN106592580B (en)

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CN109208690A (en) * 2017-07-06 2019-01-15 天津大学 A kind of urban green space rapid construction and cheap rainwater collection utilization unit
CN109930654A (en) * 2019-03-30 2019-06-25 天津大学 A kind of building roof rainwater pushes back benefit ground water regime
CN110295587A (en) * 2019-07-12 2019-10-01 中国电建集团北京勘测设计研究院有限公司 A kind of filter pipe of prefabricated included classified filtering function
CN113653148B (en) * 2021-08-20 2022-12-27 深圳市林外林园林工程有限公司 Sponge city rainwater deep well linkage infiltration replenishment system

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