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A cement concrete and pavement repairing technology, applied in the field of pothole cement concrete pavement repair agent, can solve the problems of slow strength development, easy shrinkage and cracking at joints, poor joints, etc. The effect of repairing speed and high bond strength
Inactive Publication Date: 2010-05-12
亢吉田
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[0003] In order to solve the problems of slow strength development, poor combination with the original cement concrete layer, and easy shrinkage and cracking at the joint of the repair materials used in the repair of existing cement concrete pavement, the invention provides a pothole cement concrete pavement repair agent
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Embodiment 1
[0009] Pothole cement concrete pavement repair agent, made of the following raw materials in weight ratio: 15% acrylate elastic latex, 5% 108 glue, 5% AKD emulsion, 8% polyvinyl alcohol fiber, 0.5% ordinary portland cement, sand 1%, the rest is water.
[0010] The construction method is as follows: First, base treatment: clean up the dust, floating soil, oil stains and other pollutants that affect the bonding of the base layer, and clean up the broken pieces that have moved, and moisten the base layer with water; Mix ester elastic latex, 108 glue, AKD emulsion, and polyvinyl alcohol fiber, then add water, ordinary Portland cement, and sand, and stir evenly, then the obtained patch can be directly applied or poured on the wet base The diseased area can be scraped flat.
Embodiment 2
[0012] Pothole cement concrete pavement repair agent, made of the following raw materials in weight ratio: Acrylic elastic latex 25%, 108 glue 20%, AKD emulsion 10%, polyvinyl alcohol fiber 15%, ordinary Portland cement 2%, sand 3%, the rest is water. Construction method is the same as embodiment 1.
Embodiment 3
[0014] Pothole cement concrete pavement repair agent, made of the following raw materials in weight ratio: Acrylic elastic latex 20%, 108 glue 20%, AKD emulsion 5%, polyvinyl alcohol fiber 15%, ordinary Portland cement 1%, sand 2%, the rest is water. Construction method is the same as embodiment 1.
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Abstract
The invention relates to road construction field, in particular to a bumpy cement concrete road surface mending agent, aiming at solving such problems of mending materials adopted in current cement concrete road surface mending as slow strength development, poor combination with original cement concrete layer, easy contraction and cracking and the like. The invention comprises 15-25% of acrylic ester elastic latex, 5-20% of 108 adhesive, 5-10% of AKD latex, 8-15% of polyvinyl alcohol fiber, 0.5-2% of common silicate cement, 1-3% of sand and balance water. The mending agent has good tenacity and anti-deformation capability, reduces drying shrinkage, has higher cementing strength with the old concrete interface, good compatibility, enhanced rupture strength and antifatigue property, increased fatigue life and good mechanical property, satisfies the requirement of fast mending the cement concrete road surface, improves use property of the road surface, prolongs service life of the road surface, saves project cost, shortens construction period and is beneficial for enhancing mending quality and speed of cement road surface.
Description
technical field [0001] The invention relates to the field of road construction, in particular to a pothole cement concrete road surface repair agent. Background technique [0002] As one of the important forms of high-grade pavement, cement concrete pavement has been widely used more and more. Cement concrete pavement has the advantages of high strength, durability and low maintenance cost. However, during the use of cement concrete pavement, due to the repeated action of traffic load, the continuous influence of various environmental factors, coupled with many factors such as design, construction and maintenance, damage will inevitably occur. Once the cement concrete pavement is damaged, it is difficult to repair, the maintenance period is long, the traffic is affected, and the maintenance cost is high. With the occurrence of cement concrete pavement damage, the research and exploration of effective and rapid repair materials and techniques for cement concrete pavement ha...
Claims
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Application Information
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