阅读说明：本技术 一种吸塑声测管能量桩桥面除冰系统及其施工方法 (Deicing system for bridge deck of energy pile of plastic suction sounding pipe and construction method of deicing system ) 是由 任连伟 韩志攀 霍继炜 翟国政 高宇甲 李俊杰 陈金权 胡魁 程天富 焦继伟 朱 于 2020-11-30 设计创作，主要内容包括：本发明属于土木建筑技术领域,具体公开一种吸塑声测管能量桩桥面除冰系统及其施工方法,包括能量桩基础及承台结构、桥面换热系统、多功能集热器水泵系统、传热管,该发明利用已有灌注桩吸塑声测管为能量管,底部用U型连接器进行连通,形成能量桩,导热液体从多功能集热器流入能量桩,经热交换后流向桥面板,对桥面冰雪进行融化,达到除冰雪的目的,本发明适用于基础为桩基础的桥梁,利用地热资源进行桥面除冰雪工作,使用寿命长,造价低,后期人工及维护费用少,节能环保,是一种绿色建筑新技术。(The invention belongs to the technical field of civil construction, and particularly discloses a plastic suction sound measurement pipe energy pile bridge deck deicing system and a construction method thereof.)

1. The utility model provides a plastic uptake sounding pipe energy pile bridge face deicing system which characterized in that: including energy pile foundation and the cushion cap and the bridge floor heat transfer system that are located energy pile top, set up the heat-transfer pipe in energy pile foundation and cushion cap and bridge floor heat transfer system, still include the multi-functional heat collector water pump system with heat-transfer pipe looks UNICOM, the heat-transfer pipe is including the plastic uptake sounding pipe that is located energy pile foundation and the PE-RT pipe that is located cushion cap and bridge floor heat transfer system.

2. The system of claim 1, wherein: be equipped with steel reinforcement cage and ligature the plastic uptake sounding pipe on the steel reinforcement cage in the energy pile foundation, two adjacent plastic uptake sounding socle portions form a holistic route through a U type connector UNICOM, through a double-deck clamp hoop fixed connection between U type connector and the plastic uptake sounding pipe, double-deck clamp hoop is including lieing in outer clamp hoop iron cover and lieing in the plastic sleeve pipe of inlayer, the welding of steel reinforcement cage bottom has a cross reinforcing bar.

3. The system of claim 2, wherein: the multifunctional heat collector water pump system comprises a heat collector, a water outlet and a water inlet, wherein the water outlet is located at the bottom of the heat collector, the water inlet is located at the upper portion of the heat collector, the water outlet of the heat collector is connected with the water inlet of a water pump through a high-pressure pipe, the outlet of the water pump is connected with the inlet of a heat transfer pipe through a high-pressure pipe, the outlet of the heat transfer pipe is communicated with the water inlet at the upper portion of.

4. The de-icing system for energy pile bridge deck of plastic uptake sounding pipe of claim 3, wherein: bridge floor heat transfer system alternates and ties up the heat-transfer pipe on reinforcing bar net piece including being located the inside reinforcing bar net piece of bridge floor, is located the heat conduction pitch layer of heat-transfer pipe below, still includes the concrete layer with reinforcing bar net piece, heat-transfer pipe and heat conduction pitch layer parcel, the protective layer has still been laid to the concrete layer outside.

5. The de-icing system for energy pile bridge deck of plastic uptake sounding pipe of claim 4, wherein: the plastic suction sounding pipe is connected with the PE-RT pipe through a conversion head, and the conversion head comprises a large conversion head, a small conversion head and a connecting rod positioned in the middle.

6. The system of claim 5, wherein: the plastic suction acoustic pipes and the U-shaped connectors are subjected to plastic suction treatment through plastic suction machines, the pipe diameters of the plastic suction acoustic pipes are 8-12cm, the thickness of a steel pipe is not lower than 1mm, the outer diameter of the PE-RT pipe is 2-2.5cm, and each group of plastic suction acoustic pipes are fixedly lengthened through a plurality of plastic suction acoustic pipes through double-layer clamp hoops.

7. The construction method of the deicing system for the energy pile bridge floor of the plastic uptake sounding pipe as set forth in any one of claims 1 to 6, comprising the steps of:

(1) manufacturing a plastic suction sounding pipe: carrying out plastic suction treatment on the acoustic pipe by using a plastic suction machine, and manufacturing a U-shaped connector and a double-layer clamp hoop for later use;

(2) pile foundation construction: firstly, opening a hole, binding the plastic suction sounding pipe to a reinforcement cage before the reinforcement cage is placed, splicing and splicing the U-shaped connector and the clamp hoop, finally welding the reinforcement cage and placing the reinforcement cage down, and pouring concrete;

(3) welding a conversion head and preserving heat of a heat transfer pipe: after the pile head is broken, welding one end of a small head of the conversion head with the sound detection pipe, butting one end of a large head of the conversion head with the PE-RT pipe, and simultaneously protecting a heat transfer pipe in the energy pile foundation by using a heat insulation sleeve, wherein the thickness of the heat insulation sleeve is 3-8 mm;

(4) and (3) beam erecting and bridge deck paving: after the heat transfer pipe penetrates out of the rib plate and a frame beam of the girder erection frame, the heat transfer pipe of the water inlet and outlet is penetrated on the bridge deck plate from the wet joint in advance, and the pipe orifice is protected by a pipe plug until the concrete pouring of the wet joint is finished and the strength standard is reached;

(5) inserting mesh sheet pipelines: when the bridge deck reinforcing steel bar net piece is bound, the heat transfer pipe is simultaneously penetrated and bound, the straight line position of the pipeline is bound below the net piece, the turning radian position of the pipeline is bound above the longitudinal reinforcing steel bar, and the heat transfer pipe is superposed with the transverse reinforcing steel bar;

(6) assembling a water pump system of the multifunctional heat collector: the heat transfer pipe connection and the heat transfer liquid flow direction are from the heat collector outlet to the high-lift water pump and then enter the water inlet of the heat transfer pipe of the energy pile, and flow into the water inlet of the heat transfer pipe of the bridge deck from the water outlet after circulating through the energy pile and then flow out of the water outlet of the bridge deck to the water inlet of the heat collector after circulating.

Technical Field

The invention belongs to the technical field of civil construction, and particularly relates to a deicing system for a bridge deck of a vacuum plastic sounding pipe energy pile and a construction method thereof.

Background

At present, salt spreading type and mechanical type are mainly used for bridge deck deicing, salt is used for bridge deck deicing, corrosion of a bridge structure can be accelerated, integral stability of the structure is threatened, chloride can cause accumulative corrosion to bridge facilities, maintenance and repair processes are increasingly carried out, cost is increased, vicious circle can be caused to long-term work of the bridge, and oxidation of reinforcing steel bars under the influence of the chloride can cause the cross-sectional area of the reinforcing steel bars to be reduced, so that stress of the reinforcing steel bars is increased.

The shallow geothermal energy is clean and sustainable energy, has low manufacturing cost, convenient use, wide distribution range and considerable application prospect, and the utilization of geothermal resources for bridge deck deicing has the advantages of low energy consumption, low construction cost and availability in winter and summer.

The patent of application number for CN201520857197.0 discloses a device for pitch bridge deck pavement snow melt deicing, its characterized in that the device comprises power, temperature detect switch, electric wire, the heating resistor silk of taking the insulating skin, elasticity coiled material that generates heat, and power and temperature detect switch are connected through electric wire and heating resistor silk and are adjusted the temperature that generates heat of elasticity coiled material that generates heat, set up thick fibre wire net intermediate layer in order to improve coiled material intensity in the middle of the coiled material, the heating resistor silk is arranged and is fixed in thick fibre wire net intermediate layer. But the method has large power consumption; the structural strength of the asphalt layer is lower than that of concrete, unexpected conditions are easy to occur, and later maintenance cost is possibly higher; meanwhile, the temperature is improperly controlled, and when the temperature is too high, the asphalt layer structure is easily damaged.

The patent document with the application number of CN201420219858.2 discloses a deicing device for a bridge, which comprises a base, wherein an electric motor and a deicing mechanism are sequentially arranged on the upper surface of the base from back to front, two walking wheels are arranged at the rear end part of the lower surface of the base, and a pushing handle is arranged at the rear end of the base; the deicing mechanism comprises a deicing blade group controlled by an electric motor, a U-shaped cover covering the periphery of the deicing blade group, deicing rocker arms movably mounted at two side ends of the U-shaped cover, and a crushed ice slag discharge bin fixedly mounted on the upper surface of the U-shaped cover. But the method is easy to influence the normal operation of road traffic; and is greatly influenced by the road surface condition; the power consumption is large.

Disclosure of Invention

The invention aims to provide a deicing system for an energy pile bridge deck of a plastic uptake sounding pipe and a construction method thereof, and the deicing system can be used for simultaneously processing the tightness of the sounding pipe, avoiding the situation that the sounding pipe is easily corroded due to long direct contact time with water and generating irreversible influence on a device, and having good economic benefit when the sounding pipe is manufactured into an energy pile for deicing.

In order to achieve the purpose, the invention adopts the technical scheme that:

a plastic uptake acoustic pipe energy pile bridge deck deicing system comprises an energy pile foundation, a bearing platform and a bridge deck heat exchange system which are positioned at the top of the energy pile foundation, heat transfer pipes arranged in the energy pile foundation, the bearing platform and the bridge deck heat exchange system, and a multifunctional heat collector water pump system communicated with the heat transfer pipes, wherein the heat transfer pipes comprise plastic uptake acoustic pipes positioned in the energy pile foundation and PE-RT pipes positioned in the bearing platform and the bridge deck heat exchange system, the device is used for melting snow and deicing a winter bridge deck, because the energy pile is buried underground, circulating liquid at 1-5 ℃ in a heat collector is heated to 12-16 ℃ through geothermal energy of the acoustic pipe energy pile, and the temperature of the bridge deck can be deiced and melted snow only when the temperature of the bridge deck is higher than 0 ℃.

Furthermore, a steel reinforcement cage and a plastic suction sound measurement pipe bound on the steel reinforcement cage are arranged in the energy pile foundation, the bottoms of two adjacent plastic suction sound measurement pipes are communicated through a U-shaped connector to form an integral passage, the U-shaped connector and the plastic suction sound measurement pipes are fixedly connected through a double-layer clamp, the double-layer clamp comprises a clamp iron sleeve positioned on the outer layer and a plastic sleeve positioned on the inner layer, and the sound measurement pipes are clamped by the double-layer sleeve.

Furthermore, the multifunctional heat collector water pump system comprises a heat collector, wherein 1-5 ℃ circulating liquid is filled in the heat collector, and the circulating liquid is positioned at a water outlet at the bottom of the heat collector and a water inlet at the upper part of the heat collector, the water outlet of the heat collector is connected with the water inlet of the water pump through a high-pressure pipe, the outlet of the water pump is connected with the inlet of the heat transfer pipe through a high-pressure pipe, and the outlet of the heat transfer pipe is communicated with the water.

Further, bridge floor heat transfer system alternates and ties up the heat-transfer pipe on reinforcing bar net piece including being located the inside reinforcing bar net piece of bridge floor, is located the heat conduction pitch layer of heat-transfer pipe below, still includes the concrete layer with reinforcing bar net piece, heat-transfer pipe and heat conduction pitch layer parcel, the protective layer has still been laid to the concrete layer outside, adopts a method that alternates reinforcing bar and pipeline to carry out the construction of bridge floor system, and this method superposes reinforcing bar net piece thickness and heat-transfer pipe thickness together, that is to say reinforcing bar net piece and PE-RT pipe gross thickness be 2.5cm, increases bridge floor concrete protective layer thickness, does not have the influence to face bridge floor intensity.

Furthermore, the plastic suction sounding pipe is connected with the PE-RT pipe through a conversion head, the conversion head comprises a large conversion head, a small conversion head and a connecting rod positioned in the middle, the large conversion head is a steel pipe wall slightly larger than the pipe diameter of the sounding pipe, the pipe diameter of the steel pipe wall is 8.3-12.3cm, the wall thickness is 2mm, welding and fixing are carried out, electric slag welding cannot be used, the pipe wall is thin and easy to perforate, and gas welding is needed; the small conversion head is a conversion head with a support pipe orifice of 2-2.5cm and is connected with the PE-RT pipe.

Furthermore, the plastic suction acoustic pipes and the U-shaped connectors are subjected to plastic suction treatment through plastic suction machines to avoid corrosion, the pipe diameter of each plastic suction acoustic pipe is 8-12cm, the thickness of each steel pipe is not less than 1mm, the outer diameter of each PE-RT pipe is 2-2.5cm, and each group of plastic suction acoustic pipes are fixedly lengthened through a plurality of plastic suction acoustic pipes through double-layer clamp hoops.

A construction method of a deicing system for a bridge deck of a plastic uptake sounding pipe energy pile comprises the following steps:

(1) manufacturing a plastic suction sounding pipe: carrying out plastic suction treatment on the acoustic pipe by using a plastic suction machine, and manufacturing a U-shaped connector and a double-layer clamp hoop for later use;

(2) pile foundation construction: firstly, opening a hole, binding the plastic suction sounding pipe to a reinforcement cage before the reinforcement cage is placed, splicing and splicing the U-shaped connector and the clamp hoop, finally welding the reinforcement cage and placing the reinforcement cage down, and pouring concrete;

(3) welding a conversion head and preserving heat of a heat transfer pipe: after the pile head is broken, welding one end of a small head of the conversion head with the sound detection pipe, butting one end of a large head of the conversion head with the PE-RT pipe, and simultaneously protecting a heat transfer pipe in the energy pile foundation by a heat insulation sleeve, wherein a rib plate is wrapped by a roadbed soil body, the step can be omitted, the heat insulation sleeve is not too thick, the structural strength is easily influenced by too thick heat insulation sleeve, and the thickness of the heat insulation sleeve is 3-8 mm;

(4) and (3) beam erecting and bridge deck paving: after the heat transfer pipe penetrates out of the rib plate and a frame beam of the girder erection frame, the heat transfer pipe of the water inlet and outlet is penetrated on the bridge deck plate from the wet joint in advance, and the pipe orifice is protected by a pipe plug until the concrete pouring of the wet joint is finished and the strength standard is reached;

(5) inserting mesh sheet pipelines: when the bridge deck steel bar net piece is bound, the heat transfer pipe is simultaneously penetrated and bound, the straight line part of the pipeline is bound below the net piece and is parallel to the longitudinal steel bar to avoid the accumulated thickness, and the turning radian part of the pipeline is bound above the longitudinal steel bar to be superposed with the transverse steel bar to avoid the accumulated thickness;

(6) assembling a water pump system of the multifunctional heat collector: the connection of the heat transfer pipe and the flow direction of the heat transfer liquid are that the heat transfer liquid enters the water inlet of the heat transfer pipe of the energy pile after flowing from the outlet of the heat collector to the high-lift water pump, and flows into the water inlet of the heat transfer pipe of the bridge deck from the water outlet after circulating through the energy pile, and then flows out of the water outlet of the bridge deck to the water inlet of the heat collector;

(7) and (3) working process of the deicing system: when snowing or after snowing, open this system and can carry out the snow melt work voluntarily, the heat conduction liquid takes the heat to the decking from the low level and carries out the heat exchange, can melt the snow when the bridge floor roof temperature reaches 0 ℃, the heat conduction liquid gets back to the heat collector after the bridge floor heat exchange.

The invention has the advantages that:

1. the heat-conducting liquid flows to the bridge deck from the heat collector after heat exchange of the energy piles of the plastic suction sounding pipes, ice and snow on the bridge deck in winter are melted, the heat-conducting liquid is suitable for large bridges, the bridge deck deicing work is carried out by utilizing geothermal resources, and meanwhile, the heat-conducting liquid has long service life, low manufacturing cost and low later-stage labor and maintenance cost;

2. the acoustic pipe is utilized as an energy pile, so that the novel and green technology is provided, the resources are saved by the reuse of the acoustic pipe, the construction category is green, the tightness of the acoustic pipe is processed, the phenomenon that the acoustic pipe is corroded easily due to long direct contact time with water and generates irreversible influence on a device is avoided, and the acoustic pipe is made into the energy pile, so that the good economic benefit is achieved;

3. the invention is suitable for large-diameter bored concrete piles, the pile type of the sounding pipe for pile foundation detection, the sounding pipe has no use after the pile foundation detection, the invention reuses it as sounding pipe energy pile, carries on a plastic uptake technology to the sounding pipe inside at the same time, the sounding pipe bottom communicates with U-shaped connector, the method has corrosion-resisting, high pressure resistant, characteristic such as water-tight, one pipe is dual-purpose at the same time, can carry on the pile foundation detection, can also make energy pile, need to butt joint every two sounding pipes before the cage of bottom reinforcement is put down, connect with U-shaped connector, the junction is clamped with the double-deck clamp hoop, then put down sequentially, splice, weld;

4. the cross-shaped steel bars arranged at the bottom of the steel reinforcement cage are consistent with the diameter of the main bars, so that the U-shaped connector is prevented from being damaged by the fact that the guide pipe is placed too deeply under the guide pipe when concrete is poured.

Drawings

FIG. 1 is a drawing of a plastic suction sounding pipe energy pile (a is a U-shaped connector, b is a double-layer clamp, c is a conversion head, d is a cross-shaped steel bar, and e is an energy pile foundation) according to the present invention.

Fig. 2 illustrates the technique of inserting mesh tubing in the present invention.

FIG. 3 is a flow chart of a deck de-icing cycle of the energy pile of the present invention 1.

FIG. 4 is a flow chart of a deck de-icing cycle for an energy pile according to the present invention, FIG. 2.

Detailed Description

As shown in the figure, the deicing system for the bridge deck of the plastic suction sounding pipe energy pile comprises an energy pile foundation 1, a bearing platform and a bridge deck heat exchange system 4 which are positioned at the top of the energy pile, heat transfer pipes 2 which are arranged in the energy pile foundation 1, the bearing platform and the bridge deck heat exchange system 4, and a multifunctional heat collector water pump system 3 which is communicated with the heat transfer pipes 2, wherein the heat transfer pipes 2 comprise plastic suction sounding pipes 21 which are positioned in the energy pile foundation 1 and PE-RT pipes 22 which are positioned in the bearing platform and the bridge deck heat exchange system; the energy pile foundation 1 is internally provided with a steel reinforcement cage and plastic suction sounding pipes 21 bound on the steel reinforcement cage, the bottoms of two adjacent plastic suction sounding pipes 21 are communicated through a U-shaped connector 14 to form an integral passage, the U-shaped connector 14 and the plastic suction sounding pipes 21 are fixedly connected through a double-layer clamp 13, the double-layer clamp 13 comprises a clamp iron sleeve positioned on the outer layer and a plastic sleeve positioned on the inner layer, and the sound sounding pipes are clamped by the double-layer sleeve, so that the method has the characteristics of corrosion resistance, high pressure resistance, water tightness and the like, simultaneously, the double-purpose pipe is used for both pile foundation detection and energy pile manufacturing, a cross-shaped steel bar 12 is welded at the bottom of the steel reinforcement cage, the diameter of the steel bar is consistent with that of a main steel bar, the U-shaped connector 14 is prevented from being damaged when the steel bar is deeply placed under the guide pipe during concrete pouring, the multifunctional heat collector water pump system 3 comprises a heat collector 31, and 1-, the heat exchanger comprises a water outlet 34 positioned at the bottom of a heat collector 31 and a water inlet 35 positioned at the upper part, wherein the water outlet 34 of the heat collector 31 is connected with a water inlet of a water pump through a high-pressure pipe 33, an outlet of the water pump is connected with an inlet of a heat transfer pipe 2 through the high-pressure pipe 33, an outlet of the heat transfer pipe 2 is communicated with an inlet of the upper part of the heat collector through the high-pressure pipe 33, a bridge deck heat exchange system 4 comprises a steel bar net piece 41 positioned inside a bridge deck, the heat transfer pipe 2 inserted and bound on the steel bar net piece 41, a heat conduction asphalt layer 43 positioned below the heat transfer pipe 2, and a concrete 42 layer wrapping the steel bar net piece 41, the heat transfer pipe 2 and the heat conduction asphalt layer 43, a protective layer 44 is further paved outside the concrete 42 layer, construction of the bridge deck system is carried out by adopting a method for inserting steel bars and pipelines, the thickness of a concrete protective layer of the bridge deck is increased, the strength of the bridge deck is not affected, the plastic suction sounding pipe 21 is connected with the PE-RT pipe 22 through a conversion head 5, the conversion head 5 comprises a large conversion head 52, a small conversion head 51 and a connecting rod positioned in the middle, the large conversion head 52 is a steel pipe wall slightly larger than the diameter of the sounding pipe, the pipe diameter of the steel pipe wall is 8.3-12.3cm, the wall thickness is 2mm, welding and fixing are carried out, electroslag welding cannot be used, the pipe wall is thin, perforation is easy, and gas welding is needed; the small conversion head 51 is a conversion head with a support pipe orifice of 2-2.5cm and is connected with the PE-RT pipe 22; the interior of the plastic suction sound measurement pipe 21 and the interior of the U-shaped connector 14 are subjected to plastic suction treatment through a plastic suction machine to avoid corrosion, the pipe diameter of the plastic suction sound measurement pipe 21 is 8-12cm, the thickness of a steel pipe is not less than 1mm, the outer diameter of the PE-RT pipe 22 is 2-2.5cm, each group of plastic suction sound measurement pipes 21 are fixedly lengthened through a double-layer clamp 13, and the sound measurement pipes are clamped by double-layer sleeves.

A construction method of a deicing system for a bridge deck of a plastic uptake sounding pipe energy pile comprises the following steps:

(1) manufacturing a plastic suction sounding pipe: a plastic suction machine is used in a processing factory for carrying out plastic suction treatment on the acoustic testing pipe, and a U-shaped connector 14 and a double-layer clamp hoop 13 are manufactured for standby;

(2) pile foundation construction: firstly, opening a hole, binding the plastic suction sounding pipe 21 on the reinforcement cage before the reinforcement cage is placed, splicing and splicing the U-shaped connector 14 and the double-layer clamp 13, finally welding the reinforcement cage and placing down, and pouring concrete;

(3) welding a conversion head and preserving heat of a heat transfer pipe: after the pile head is broken, welding one end of a small head 51 of the conversion head with the sound detection pipe, butting one end of a large head 52 of the conversion head with the PE-RT pipe 22, protecting a heat transfer pipe 2 in the energy pile foundation 1 by a heat insulation sleeve 11, wrapping a rib plate by a roadbed soil body, and removing the step, wherein the heat insulation sleeve is not too thick and easily influences the structural strength, and the thickness of the heat insulation sleeve 11 is 3-8 mm;

(4) and (3) beam erecting and bridge deck paving: after the heat transfer pipe 2 penetrates out of the rib plate and a frame beam of the girder erection, the heat transfer pipe 2 at the water inlet and the water outlet is penetrated on a bridge deck plate from a wet joint in advance, and a pipe orifice is protected by a pipe plug until the pouring of the wet joint concrete is finished and the strength standard is reached;

(5) inserting mesh sheet pipelines: when the bridge deck reinforcing steel bar net piece 41 is bound, the heat transfer pipe 2 is simultaneously penetrated and bound, the straight line of the pipeline is bound below the net piece and is parallel to the longitudinal reinforcing steel bar to avoid the accumulated thickness, and the pipeline is bound above the longitudinal reinforcing steel bar at the turning radian position of the pipeline and is superposed with the transverse reinforcing steel bar to avoid the accumulated thickness;

(6) assembling a water pump system of the multifunctional heat collector: the connection of the heat transfer pipe and the flow direction of the heat transfer liquid are that the heat transfer liquid enters the water inlet of the heat transfer pipe of the energy pile after flowing from the outlet of the heat collector to the high-lift water pump, and flows into the water inlet of the heat transfer pipe of the bridge deck from the water outlet after circulating through the energy pile, and then flows out of the water outlet of the bridge deck to the water inlet of the heat collector;

(7) and (3) working process of the deicing system: when snowing or after snowing, open this system and can carry out the snow melt work voluntarily, the heat conduction liquid takes the heat to the decking from the low level and carries out the heat exchange, can melt the snow when the bridge floor roof temperature reaches 0 ℃, the heat conduction liquid gets back to the heat collector after the bridge floor heat exchange.

The invention reuses the acoustic pipe as the plastic suction acoustic pipe energy pile, the bottom of the acoustic pipe is communicated with the U-shaped connector, the heat conducting liquid flows to the bridge deck after heat exchange of the plastic suction acoustic pipe energy pile from the multifunctional heat collector, and melts the ice and snow on the bridge deck in winter.