CN103321119B - Dynamic level ground, skid pad Colophonium continuous rolling paves method - Google Patents
Dynamic level ground, skid pad Colophonium continuous rolling paves method Download PDFInfo
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- CN103321119B CN103321119B CN201310239019.7A CN201310239019A CN103321119B CN 103321119 B CN103321119 B CN 103321119B CN 201310239019 A CN201310239019 A CN 201310239019A CN 103321119 B CN103321119 B CN 103321119B
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Abstract
The invention discloses a kind of dynamic level ground, skid pad Colophonium continuous rolling to pave method, including following enforcement step: a, paver quantity selects and front and back seat in the plane distance determines: realizes continuous rolling and paves and at least need the paver of more than 2, front and back the distance of paver seat in the plane is less than 100m, specifically determines the quantity of paver further according to the length of each breadth that paves and spreading speed；The definition of hot seam is extended by the present invention, decreases the formation of longitudinally cold seam, greatly reduces the input of construction machinery, reduces construction cost.
Description
Technical field
The present invention relates to the construction method of asphalt pavement construction multimachine connection paving, traditional multimachine connection paving scheme is improved, to reduce in the cold seam of longitudinal direction when the use of spreading machine reduces dynamic level ground, skid pad large-area asphalt pavement ensures on the same day a kind of construction method occurring without longitudinal cold joint simultaneously by it.
Background technology
Along with airport construction and skid pad construction launch on a large scale in China, large-area bituminous paving place is often related in both construction projects, although the technique of traditional asphalt construction and technology reach its maturity, but also it is limited only in the linear engineerings such as highway, two machines or the mode of three machines connection paving are often used in order to avoid the appearance of longitudinal cold joint in highway engineering, and large-area asphalt pavement longitudinally will be divided into tens the most up to a hundred breadths that pave, if still more paver will be used by traditional thinking, case history is had to take the mode of ten machines even paving, this not only causes the increase of spreading machine expense, to rolling compaction machine, the yield of asphalt blending station and the transport of compound are also huge tests, generally require the more paver of configuration, employ multiple blending station and more haulage vehicle.
Summary of the invention
The invention discloses the construction method that dynamic level ground, a kind of skid pad Colophonium continuous rolling paves, large area bituminous paving is different from general road Colophonium, and it is mainly used in the dynamic level ground of airfield runway and skid pad, and flatness and globality to the face of paving require the strictest.Owing to the area that paves is big, the most inevitably produce longitudinal cold joint of a lot of overlength, for the consideration to quality, need to reduce the setting of cold joint as far as possible.This construction method reaches to reduce the purpose of cold joint in the case of being intended to not increase construction machinery quantity.
Technical scheme is as follows:
Dynamic level ground, skid pad Colophonium continuous rolling paves method, including following enforcement step:
A, paver quantity select and front and back seat in the plane distance determine: realize continuous rolling pave needs 2 or the paver of more than 2, front and back the distance of paver seat in the plane is less than 100m, specifically determines the quantity of paver further according to the length of each breadth that paves and spreading speed；
B, the process of first side, paving rearward, paving: before starting to pave, first sub-layer blowtorch is carried out Baking out, prevent colder sub-layer from absorbing the heat of Colophonium, toast a length of prior to 10 ~ 15m before paver, width is about 1m, stride across seaming position, first paving is reserved about 40cm when rolling and is not rolled, height datum as rear paving, and with the sailcloth that adds after heating, this part elder generation paving is carried out covering and heat insulating with advancing of paver, prevent heat to scatter and disappear, advance with paver when starting to pave canvas is packed up for latter several；
C, continuous rolling pave the process of method:
1), front machine starts to pave；
2), current machine walk after a segment distance, rear machine starts to pave, and distance length is determined according to the length of paver quantity and the breadth that paves.Such as in dynamic level ground, certain skid pad, surface layer framing paves length about 300m, uses 2 operating pavers, and paver setting speed is 3.5m/min.Then the full width time of paving is: 300/3.5 ≈ 86min, spreader starting time 4min, and the front seat in the plane of this start-up time can pave 12m.Minimum for ensureing two pavers spacing distance in normal paving process, i.e. ensure to about 150m, seat in the plane after starting during 138m therefore mmi machine position paves, continuous rolling paves afterwards, and all the time by two machine distance controlling about 150m (rear machine start the time interval paved before machine start-up time about 47min, time is less than 1h, and the Insulation of step b is the most feasible)；
If paver quantity is 3 in above-mentioned condition, interval, the most each adjacent seat in the plane reduces and is adjusted to 100m, and its front seat in the plane start-up time of time interval that arbitrary seat in the plane starts to pave is 33min, and heat insulation effect is more preferably.
3), when after machine walk after a segment distance, front machine has just paved a breadth, and front machine is recalled to the next breadth that starts to be close to rear machine breadth pave immediately, and circulation is achieved that the method that paves of continuous rolling back and forth.
Compared with the prior art, the present invention has the beneficial effect that:
The present invention breaks through the limitation of Traditional Thinking, courageously the definition of hot seam is extended, and greatly reduces the input of construction machinery, reduces construction cost.
Accompanying drawing explanation
Fig. 1 is to implement the step 1 in step c；
Fig. 2 is to implement the step 2 in step c；
Fig. 3 is to implement the step 3 in step c；
Fig. 4 is the mode that the paves schematic diagram of the continuous rolling achieved；
Label in figure: 1 is front machine；2 is rear machine；3 is paver course and direction.
Detailed description of the invention
Dynamic level ground, skid pad Colophonium continuous rolling paves method, including following enforcement step:
A, paver quantity select and front and back seat in the plane distance determine: realize continuous rolling pave needs 2 or the paver of more than 2, front and back the distance of paver seat in the plane is less than 100m, specifically determines the quantity of paver further according to the length of each breadth that paves and spreading speed；
B, the process of first side, paving rearward, paving: before starting to pave, first sub-layer blowtorch is carried out Baking out, prevent colder sub-layer from absorbing the heat of Colophonium, toast a length of prior to 10 ~ 15m before paver, width is about 1m, stride across seaming position, first paving is reserved about 40cm when rolling and is not rolled, height datum as rear paving, and with the sailcloth that adds after heating, this part elder generation paving is carried out covering and heat insulating with advancing of paver, prevent heat to scatter and disappear, advance with paver when starting to pave canvas is packed up for latter several；
C, continuous rolling pave the process of method:
1), front machine starts to pave；
2), current machine is walked after a segment distance, rear machine starts to pave, distance length is determined according to the length of paver quantity and the breadth that paves, such as 2 pavers, pave breadth length 300m, then this distance for about 150m (assuming that spreading speed is 3.5m/min, after then, machine starts machine start-up time about 43min before the time interval paved, time is less than 1h, and the Insulation of step b is the most feasible, and front and back the distance of seat in the plane is contemplated that this time interval)；
How the paver of more than 2 the breadth length that paves determines？Machine start-up time before spreading speed and the time interval paved.
3), when after machine walk after a segment distance, front machine has just paved a breadth, and front machine is recalled to the next breadth that starts to be close to rear machine breadth pave immediately, and circulation is achieved that the method that paves of continuous rolling back and forth.
Claims (1)
1. dynamic level ground, skid pad Colophonium continuous rolling paves method, it is characterised in that: include following enforcement step:
A, paver quantity select and front and back seat in the plane distance determine: realize continuous rolling pave needs 2 or the paver of more than 2, front and back the distance of paver seat in the plane is less than 100m, specifically determines the quantity of paver further according to the length of each breadth that paves and spreading speed；
B, the process of first side, paving rearward, paving: before starting to pave, first sub-layer blowtorch is carried out Baking out, prevent colder sub-layer from absorbing the heat of Colophonium, toast a length of prior to 10 ~ 15m before paver, width is 1m, stride across seaming position, first paving is reserved 40cm when rolling and is not rolled, height datum as rear paving, and with the sailcloth that adds after heating, this part elder generation paving is carried out covering and heat insulating with advancing of paver, prevent heat to scatter and disappear, advance with paver when rear seat in the plane starts to pave and canvas is packed up；
C, continuous rolling pave the process of method:
1), front machine starts to pave；
2), current machine is walked after a segment distance, rear machine starts to pave, distance length is determined according to paver quantity and the length of breadth of paving: if particularly as follows: in dynamic level ground, certain skid pad surface layer framing pave a length of 300m, use 3 operating pavers, paver setting speed is 3.5m/min；Interval, each adjacent seat in the plane reduces and is adjusted to 100m；
3), when after machine walk after a segment distance, front machine has just paved a breadth, and front machine is recalled to the next breadth that starts to be close to rear machine breadth pave immediately, and circulation is achieved that the method that paves of continuous rolling back and forth.
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| CN201310239019.7A CN103321119B (en) | 2013-06-17 | 2013-06-17 | Dynamic level ground, skid pad Colophonium continuous rolling paves method |
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| CN201310239019.7A CN103321119B (en) | 2013-06-17 | 2013-06-17 | Dynamic level ground, skid pad Colophonium continuous rolling paves method |
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| CN103321119B true CN103321119B (en) | 2016-08-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105908603B (en) * | 2016-04-27 | 2018-01-30 | 中铁四局集团有限公司 | A kind of construction method of continuous sharp turn bituminous paving |
| CN110172888A (en) * | 2019-06-17 | 2019-08-27 | 中交第三公路工程局有限公司 | The construction method on the road surface highway SMA |
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| JPH09316808A (en) * | 1996-06-01 | 1997-12-09 | Art Lock:Kk | Sand cushion material and joint material for paving stone, and work execution method for paving stone using the same |
| CN1488812A (en) * | 2002-10-11 | 2004-04-14 | 三一重工股份有限公司 | Bituminous binder road-surface mechanized construction process |
| CN1760452A (en) * | 2004-10-11 | 2006-04-19 | 上海诚建道路机械施工有限公司 | Technique for constructing asphalt concrete pavement of racetrack |
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| CN102505600A (en) * | 2011-10-28 | 2012-06-20 | 江阴泰富沥青有限公司 | On-site construction method of cold recycling asphalt pavement |
| CN102561141A (en) * | 2012-01-12 | 2012-07-11 | 华南理工大学 | Asphalt pavement reclamation method using hot mix asphalt mixture to heat cold mix asphalt mixture |
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