Fabricated asphalt precast block and asphalt layer formula

A prefabricated block and prefabricated technology, which is applied to the pavement paved with prefabricated blocks, building components, building insulation materials, etc., can solve the problems of reduced weather resistance of asphalt pavement and high temperature sensitivity of asphalt, and achieve water resistance and heat resistance Enhanced properties, increased softening point and penetration, and increased weight-average and number-average molecular weight

Active Publication Date: 2020-05-29
广州市市政实业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The measures currently taken by the construction unit are to use prefabricated asphalt to set up temporary paved roads, so as to increase the force-bearing area between the wheels and the soft ground, so that the vehicles can not sink. Although this method has a smooth surface and no joints, The driving vibration is small and the noise is low. However, because asphalt is highly sensitive to temperature, and roads such as sand are generally in an environment with large temperature differences, the temperature is low in the morning and evening in summer, and the temperature is low in winter for a long time. Weather resistance is greatly reduced

Method used

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  • Fabricated asphalt precast block and asphalt layer formula
  • Fabricated asphalt precast block and asphalt layer formula

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 , an assembled asphalt prefabricated block 10, including a bottom plate 3, an adhesive layer 2 and an asphalt layer 1 from bottom to top; the shape of the asphalt prefabricated block 10 is a cuboid, the bottom plate 3 is a groove structure with an upper end opening, the adhesive layer 2 and The asphalt layers 1 are all set in the groove structure. The length of the bottom surface of the base plate 3 is 10m, and the width is 5m; the base plate 3 is a rigid base material, and the thickness of the bottom surface of the base plate 3 is 7cm; the adhesive layer 2 is emulsified asphalt or hot asphalt, and the thickness of the adhesive layer 2 is 3cm; the asphalt layer 1 The thickness is 12cm; hot asphalt is used to fill the joints between every two asphalt prefabricated blocks 10; the asphalt layer 1 is composed of modified asphalt, crushed stones and additives; modified asphalt is the use of low-grade sulfur and SBS to modify the base asphalt Obtained; crush...

Embodiment 2

[0054] An assembled asphalt prefabricated block 10, comprising a bottom plate 3, an adhesive layer 2 and an asphalt layer 1 from bottom to top; the shape of the asphalt prefabricated block 10 is a cube, the bottom plate 3 is a groove structure with an upper end opening, the adhesive layer 2 and the asphalt layer Layers 1 are both arranged in a groove structure. The length of the bottom surface of the base plate 3 is 5m, and the width is 1m; the base plate 3 is a rigid base material, and the thickness of the bottom surface of the base plate 3 is 0.2cm; the adhesive layer 2 is emulsified asphalt or hot asphalt, and the thickness of the adhesive layer 2 is 1cm; The thickness of layer 1 is 1cm; between every two asphalt prefabricated blocks 10, hot asphalt is used for caulking; asphalt layer 1 is composed of modified asphalt, crushed stones and additives; sex; crushed rocks include limestone and dolomite flour.

[0055] Wherein, the asphalt layer 1 is calculated in parts by weigh...

Embodiment 3

[0069] An assembled asphalt prefabricated block 10, which includes a bottom plate 3, an adhesive layer 2 and an asphalt layer 1 from bottom to top; the shape of the asphalt prefabricated block 10 is a cuboid, the bottom plate 3 is a groove structure with an upper end opening, the adhesive layer 2 and the asphalt layer Layers 1 are both arranged in a groove structure. The length of the bottom surface of the bottom plate 3 is 15m, and the width is 15m; the bottom plate 3 is a rigid base material, and the thickness of the bottom surface of the bottom plate 3 is 10cm; the adhesive layer 2 is emulsified asphalt or hot asphalt, and the thickness of the adhesive layer 2 is 5cm; the asphalt layer 1 The thickness is 20cm; hot asphalt is used to fill the joints between every two asphalt prefabricated blocks 10; the asphalt layer 1 is composed of modified asphalt, crushed stones and additives; modified asphalt is modified by using low-grade sulfur and SBS to base asphalt Obtained; crushe...

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Abstract

The invention relates to the field of asphalt precast blocks, in particular to a fabricated asphalt precast block and a formula thereof. The invention discloses the fabricated asphalt precast block which is characterized by comprising a bottom plate, a bonding layer and an asphalt layer from bottom to top, the asphalt precast block is in a cuboid or cube shape, the bottom plate is of a groove structure with an opening in the upper end, and the bonding layer and the asphalt layer are both arranged in the groove structure. The problems that in the prior art, sand and other pavements are generally in the environment with the large temperature difference, the temperature in the morning and evening in summer is low, the temperature in winter is low, time in winter is long, and therefore the weather resistance of the asphalt pavement is greatly reduced are solved. Industrialized standard prefabrication of the asphalt concrete pavement is adopted, the construction quality is more reliable, intelligent equipment can be adopted, the labor intensity is reduced, and meanwhile the cost is reduced.

Description

technical field [0001] The invention relates to the field of asphalt prefabricated blocks, in particular to an assembled asphalt prefabricated block and its formula. Background technique [0002] Soft ground includes fields, sandy land, swamps, shoals, etc., with poor bearing capacity. When a vehicle walks on a soft ground, the tires will sag, the driving resistance of the vehicle will increase, and the adhesion coefficient will decrease, resulting in poor passing performance of the vehicle. With the development of mechanized construction, more and more construction machinery vehicles are put into operation, and it is necessary to solve the problem of vehicle passability on soft ground. [0003] The measures currently taken by the construction unit are to use prefabricated asphalt to set up temporary paved roads, so as to increase the force-bearing area between the wheels and the soft ground, so that the vehicles can not sink. Although this method has a smooth surface and no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C5/12C08L95/00C08L53/02C08K3/26
CPCC08K2003/265C08L95/00E01C5/12C08L53/02C08K3/26
Inventor 张京锋金年喜周峰李波杨少雄杨光刘红梁豪陈功杨彦麦华轩郑博亨
Owner 广州市市政实业有限公司
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