CN105906374A - Automatic spraying maintenance device and method for railroad bridge large pier - Google Patents

Automatic spraying maintenance device and method for railroad bridge large pier Download PDF

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Publication number
CN105906374A
CN105906374A CN201610386652.2A CN201610386652A CN105906374A CN 105906374 A CN105906374 A CN 105906374A CN 201610386652 A CN201610386652 A CN 201610386652A CN 105906374 A CN105906374 A CN 105906374A
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CN
China
Prior art keywords
water
bridge piers
electrically
bridge
water tank
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Pending
Application number
CN201610386652.2A
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Chinese (zh)
Inventor
王俊杰
秦丽
张志国
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Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
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Application filed by Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd filed Critical Fifth Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority to CN201610386652.2A priority Critical patent/CN105906374A/en
Publication of CN105906374A publication Critical patent/CN105906374A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/04Preventing evaporation of the mixing water

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses an automatic spraying maintenance device and method for a railroad bridge large pier. The problem that railroad bridge large pier concrete maintenance cannot be achieved is solved. The method comprises the steps that a water tank (8) and a water spraying pipe are arranged at the top end of the large pier (1), the water spraying pipe is provided with a water outlet hole (3), a water guide pipe (9) is arranged between the water tank (8) and the water spraying pipe and provided with an electric control valve (4), the bottom end of the large pier (1) is provided with a humidity sensor (10), and the humidity sensor (10) is electrically connected with the electric control valve (4) through a signal line (6). According to the automatic spraying maintenance device and method, all-weather automatic operation and maintenance of the large pier is achieved, and the maintenance quality of the pier body is greatly improved.

Description

Railroad bridge Bridge Piers automatic spray curing means and maintenance process thereof
Technical field
The present invention relates to a kind of pier shaft concrete large-scale to railroad bridge and carry out the device of maintenance, be particularly well-suited to a kind of bridge pier concrete to high railway bridge and carry out device and the maintenance process of maintenance.
Background technology
Due to the bridge length of Line for Passenger Transportation or high-speed railway the line is busy more than the 50% of road overall length, the quantity of concrete pier is the hugest, the form of concrete pier also more uses arc large volume thin-wall piers, pier shaft height is from several meters to tens meters, concrete pier quantity is many, pier shaft height is big, and curing cycle is long.The existing maintenance process to railroad bridge concrete pier has following two kinds: the first is watering maintenance: this method is the conventional maintenance process of tradition of concrete component, by related specifications requirement, the curing time that not less than 7 days, should use the high performance concrete of extra material and the concrete of Mixed With Admixture the curing cycle of normal concrete should be no less than 14 days.Concrete pier is many due to quantity, and more disperse, it is usually with sprinkling truck confession water spot water intaking post-tensioning at maintenance pier position, by water injecting gun spray water to bridge pier concrete surface, all moistening to dropping down water with concrete surface, the time interval cycle of watering maintenance is 2-6 hour.When on-the-spot hydropenia or time concrete pier shaft is higher and concrete pier quantity is more, there is the problem that maintenance is the most not in place.In addition, due to concrete gel rubber material hydration stage in early days, water is needed to participate in reaction, and water requirement is bigger, the essence of maintenance is to react required water from outer supply concrete, for concrete surface, on the one hand it is that inside concrete moisture content can be dissociated in air by the pore of concrete, on the other hand be curing water from concrete surface to inside concrete percdation, if entering of curing water is more than the water that concrete outwards dissociates, then maintenance serves true effect, custom referred to as true maintenance, otherwise do not have maintenance effect, the most false maintenance.If watering maintenance is the most not in place, it mostly is false maintenance.Under false maintenance state, all even can be there are the quality problems such as crack, crackle on the surface of concrete by large effect, badly influence the bearing capacity of bridge pier in the long-term strength of concrete and durability.Second method is parcel covering curing.Cover on the surface of concrete with geotextiles, woven straw, cotton-wadded quilt, colour bar cloth etc., maintenance of periodically sprinkling water.Railway concrete bridge pier major part uses this method to carry out maintenance.Method is after pier shaft form removal, cotton item parcels is used to cover, it is fastened with the rope made of hemp, use water injecting gun periodically to sprinkle water, keep covering to be constantly in moisture state, i.e. concrete surface is constantly in moisture state, this method extends the watering cycle of concrete, decreasing the workload of watering, maintenance effect is preferable, typically can play the maintenance effect of true maintenance.But for high pier, after being more than 10 meters such as pier shaft height, exist and carry out jetting difficulty, the defect that watering effect is excessively poor with water injecting gun.
Summary of the invention
The invention provides a kind of railroad bridge Bridge Piers automatic spray curing means and maintenance process thereof, solve the technical problem that railroad bridge Bridge Piers concrete curing is not in place.
The present invention is to solve above technical problem by the following technical programs:
A kind of railroad bridge Bridge Piers automatic spray curing means, including Bridge Piers, it is respectively arranged with water tank and spray pipe on the top of Bridge Piers, spray pipe is provided with apopore, aqueduct it is provided with between water tank and spray pipe, being provided with electrically-controlled valve on aqueduct, the bottom of Bridge Piers is provided with humidity sensor, humidity sensor is electrically connected with electrically-controlled valve by holding wire.
Water tank connects and has water inlet pipe.
A kind of railroad bridge Bridge Piers automatic spray maintenance process, comprises the following steps:
The first step, it is respectively provided with water tank and spray pipe on the top of Bridge Piers, apopore it is provided with on spray pipe, aqueduct is set between water tank and spray pipe, aqueduct arranges electrically-controlled valve, arranging humidity sensor in the bottom of Bridge Piers, humidity sensor is electrically connected with electrically-controlled valve by holding wire;
When the humidity value that second step, the humidity sensor arranged when the bottom of Bridge Piers detect is less than 85%, electrically-controlled valve automatically opens up, and the water in water tank passes through aqueduct and spray pipe to Bridge Piers wet curing;
When the humidity value that 3rd step, the humidity sensor arranged when the bottom of Bridge Piers detect is more than 85%, electrically-controlled valve is automatically switched off, and aqueduct is ended by electrically-controlled valve, stops the wet curing to Bridge Piers.
The present invention changes traditional manually jetting and bridge pier carries out the mode of maintenance, achieve round-the-clock automatic operation maintenance, it is greatly promoted work efficiency, within pier shaft curing period, ensure that concrete is in true maintenance state, overcome the defect arbitrarily and not in time of nourishment, it is ensured that the maintenance effect of pier shaft.
Accompanying drawing explanation
Fig. 1 is that the present invention is at the structural representation overlooked on direction;
Fig. 2 is present invention structural representation in main apparent direction.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
A kind of railroad bridge Bridge Piers automatic spray curing means, including Bridge Piers 1, the pier shaft of Bridge Piers 1 is provided with cotton parcel and covers article, it is respectively arranged with water tank 8 and spray pipe on the top of Bridge Piers 1, spray pipe is provided with apopore 3, between water tank 8 and spray pipe, is provided with aqueduct 9, aqueduct 9 is provided with electrically-controlled valve 4, be provided with humidity sensor 10 in the bottom of Bridge Piers 1, humidity sensor 10 is electrically connected with electrically-controlled valve 4 by holding wire 6.The position that when humidity sensor 10 is usually arranged on pier shaft watering maintenance, water is least accessible to.
Water tank 8 connects and has water inlet pipe 7, water pump can be used under bridge pier to connect water inlet pipe 7, carry out moisturizing for water tank 8.
A kind of railroad bridge Bridge Piers automatic spray maintenance process, comprises the following steps:
The first step, it is respectively provided with water tank 8 and spray pipe on the top of Bridge Piers 1, apopore 3 it is provided with on spray pipe, aqueduct 9 is set between water tank 8 and spray pipe, aqueduct 9 arranges electrically-controlled valve 4, arrange humidity sensor 10 in the bottom of Bridge Piers 1, humidity sensor 10 is electrically connected with electrically-controlled valve 4 by holding wire 6;
When the humidity value that second step, the humidity sensor 10 arranged when the bottom of Bridge Piers 1 detect is less than 85%, humidity sensor 10 controls electrically-controlled valve 4 and opens, and the water in water tank 8 passes through aqueduct 9 and spray pipe to Bridge Piers 1 wet curing;
When the humidity value that 3rd step, the humidity sensor 10 arranged when the bottom of Bridge Piers 1 detect is more than 85%, humidity sensor 10 controls electrically-controlled valve 4 and cuts out, and aqueduct 9 is ended by electrically-controlled valve 4, stops the wet curing to Bridge Piers 1.
Water in water tank 8 can be carried out moisturizing by water pump and water inlet pipe 7 to it by waterr transporting vehicle,
The size of water tank 8 be according to maintenance needed for the size of water consumption and determine, the square plastic charging basket that volume adapts can be used, it is possible to manufacture square bar water tank as required.Open the small sircle hole of 30 millimeters at the four sides of water tank 8 respectively, connect the plastic rigid pipe drawing segment length 10 cm diameter 30 millimeters, i.e. aqueduct 9, aqueduct 9 adds an electric control valve controlled by humidity sensor.Humidity sensor 10 is embedded between pier shaft and covering, and is in the position that trickle can arrive the least significant end at position, and the humidity value of sensing is transferred to inductive switch by humidity sensor 10, and inductive switch is automatically opened or closed electrically-controlled valve 4 according to humidity set point.If the humidity surveyed is less than required value, humidity switch can control electrically-controlled valve and open water supply voluntarily, meets to humidity and closes the most voluntarily after requiring.The limit value of general humidity is 85%, when humidity value is less than 85%, electrically-controlled valve 4 can open wet curing voluntarily, when humidity value is more than 85%, electrically-controlled valve 4 can be closed voluntarily and be stopped wet curing, achieve concrete surface maintenance and be in the state of true maintenance all the time, and avoid the waste of water, alleviate the pressure of maintenance water to a certain extent.
General bridge pier is made up of two arcwall faces and two rectangle planes, when arranging spray pipe, spray pipe can be divided into four parts, the annular trickle pipeline of closing it is made up of two sections of arc spray pipes 5 of the straight spray pipe of control plane two sections 2 and control arcwall face, the water spray system of each unit is made up of one section of spray pipe, aqueduct, electrically-controlled valve 4 and humidity sensor 10, the independent moisturizing of each unit according to the humidity condition at each position, can be carried out.The connecting portion of adjacent two sections of spray pipes of annular trickle pipeline is to close, and stops the mutual crossfire of water in two sections of spray pipes.For ensureing the water tank 8 stability in pier top, water tank 8 should take certain stability measure.The mode being connected with the built-in fitting on bridge pier again after can using steel strip winding water tank 8, it is to avoid cause water tank 8 to be toppled over due to strong wind or other reasons.

Claims (3)

1. a railroad bridge Bridge Piers automatic spray curing means, including Bridge Piers (1), it is respectively arranged with water tank (8) and spray pipe on the top of Bridge Piers (1), spray pipe is provided with apopore (3), it is characterized in that, aqueduct (9) it is provided with between water tank (8) and spray pipe, aqueduct (9) is provided with electrically-controlled valve (4), be provided with humidity sensor (10) in the bottom of Bridge Piers (1), humidity sensor (10) is electrically connected with electrically-controlled valve (4) by holding wire (6).
A kind of railroad bridge Bridge Piers automatic spray curing means the most according to claim 1, it is characterised in that have water inlet pipe (7) in the upper connection of water tank (8).
3. a railroad bridge Bridge Piers automatic spray maintenance process, comprises the following steps:
The first step, it is respectively provided with water tank (8) and spray pipe on the top of Bridge Piers (1), apopore (3) it is provided with on spray pipe, aqueduct (9) is set between water tank (8) and spray pipe, aqueduct (9) arranges electrically-controlled valve (4), arrange humidity sensor (10) in the bottom of Bridge Piers (1), humidity sensor (10) is electrically connected with electrically-controlled valve (4) by holding wire (6);
When the humidity value that second step, the humidity sensor (10) arranged when the bottom of Bridge Piers (1) detect is less than 85%, electrically-controlled valve (4) is opened, and the water in water tank (8) passes through aqueduct (9) and spray pipe to Bridge Piers (1) wet curing;
When the humidity value that 3rd step, the humidity sensor (10) arranged when the bottom of Bridge Piers (1) detect is more than 85%, electrically-controlled valve (4) is closed, and aqueduct (9) is ended by electrically-controlled valve (4), stops the wet curing to Bridge Piers (1).
CN201610386652.2A 2016-06-04 2016-06-04 Automatic spraying maintenance device and method for railroad bridge large pier Pending CN105906374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610386652.2A CN105906374A (en) 2016-06-04 2016-06-04 Automatic spraying maintenance device and method for railroad bridge large pier

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Application Number Priority Date Filing Date Title
CN201610386652.2A CN105906374A (en) 2016-06-04 2016-06-04 Automatic spraying maintenance device and method for railroad bridge large pier

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CN105906374A true CN105906374A (en) 2016-08-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106758832A (en) * 2016-12-14 2017-05-31 中铁五局集团有限公司 A kind of bridge pier shaft concrete spray maintenance device and its construction method
CN111391096A (en) * 2020-03-26 2020-07-10 长安大学 Control system of prefabricated box girder movable type spraying health-preserving equipment
CN113997400A (en) * 2021-11-27 2022-02-01 吉首市腾达实业有限公司 Prefabricated wallboard of assembled building concrete sprays curing means

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201221056Y (en) * 2008-07-02 2009-04-15 中铁四局集团第五工程有限公司 Concrete bridge pier spray curing means
CN105133502A (en) * 2015-09-11 2015-12-09 中建七局第二建筑有限公司 Bridge pier stud concrete curing control device
CN205205692U (en) * 2015-12-21 2016-05-04 中铁建大桥工程局集团第五工程有限公司 A automatic curing means that is used for high mound concrete of bridge
CN205821188U (en) * 2016-06-04 2016-12-21 中铁十九局集团第五工程有限公司 Railroad bridge Bridge Piers automatic spray curing means

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201221056Y (en) * 2008-07-02 2009-04-15 中铁四局集团第五工程有限公司 Concrete bridge pier spray curing means
CN105133502A (en) * 2015-09-11 2015-12-09 中建七局第二建筑有限公司 Bridge pier stud concrete curing control device
CN205205692U (en) * 2015-12-21 2016-05-04 中铁建大桥工程局集团第五工程有限公司 A automatic curing means that is used for high mound concrete of bridge
CN205821188U (en) * 2016-06-04 2016-12-21 中铁十九局集团第五工程有限公司 Railroad bridge Bridge Piers automatic spray curing means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106758832A (en) * 2016-12-14 2017-05-31 中铁五局集团有限公司 A kind of bridge pier shaft concrete spray maintenance device and its construction method
CN111391096A (en) * 2020-03-26 2020-07-10 长安大学 Control system of prefabricated box girder movable type spraying health-preserving equipment
CN113997400A (en) * 2021-11-27 2022-02-01 吉首市腾达实业有限公司 Prefabricated wallboard of assembled building concrete sprays curing means

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Application publication date: 20160831