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Continuous paving anti-cracking admixture for water-stabilized base and application method of continuous paving anti-cracking admixture
The invention relates to the technical field of additives, and particularly discloses a continuous paving anti-cracking additive for a water-stabilized base and an application method of the continuous paving anti-cracking additive. The admixture comprises the following components in parts by weight: 75-95 parts of modified light sand, 200-204 parts of a magnesium oxide expanding agent, 40-44 parts of a calcium oxide expanding agent, 40-50 parts of sodium hydroxide, 40-440 parts of a compact modifier, 75-85 parts of sodium sulfate and 12-50 parts of a retarder, and the modified light sand is obtained by extruding and granulating a composite melt; the composite melt comprises the following components: a light sand internal curing agent and SAP (super absorbent polymer) water-absorbent resin in a weight ratio of (1-1.8): 1. Through the combined action of the modified light sand and the dense modifier, pores in the water-stabilized base can be filled to a certain extent, the possibility that the pores counteract the swelling amount generated by the swelling agent is reduced, and the anti-cracking effect of the water-stabilized base is fully improved.
本申请涉及外加剂技术领域，具体公开了一种水稳基层连铺防裂外加剂及其应用方法。外加剂包括如下重量份的组分：改性轻砂75‑95份，氧化镁膨胀剂200‑204份，氧化钙膨胀剂40‑44份，氢氧化钠40‑50份，密实改性剂40‑440份，硫酸钠75‑85份，缓凝剂12‑50份，改性轻砂由复合熔体经过挤出造粒得到，复合熔体的组分包括重量比为(1‑1.8):1的轻砂内养护剂和SAP吸水树脂。本申请通过改性轻砂和密实改性剂的共同作用，使得水稳基层内部的孔隙能够得到一定的填充，减少了孔隙与膨胀剂产生的膨胀量发生抵消的可能，有利于充分改善水稳基层的抗裂效果。
Continuous paving anti-cracking admixture for water-stabilized base and application method of continuous paving anti-cracking admixture
The invention relates to the technical field of additives, and particularly discloses a continuous paving anti-cracking additive for a water-stabilized base and an application method of the continuous paving anti-cracking additive. The admixture comprises the following components in parts by weight: 75-95 parts of modified light sand, 200-204 parts of a magnesium oxide expanding agent, 40-44 parts of a calcium oxide expanding agent, 40-50 parts of sodium hydroxide, 40-440 parts of a compact modifier, 75-85 parts of sodium sulfate and 12-50 parts of a retarder, and the modified light sand is obtained by extruding and granulating a composite melt; the composite melt comprises the following components: a light sand internal curing agent and SAP (super absorbent polymer) water-absorbent resin in a weight ratio of (1-1.8): 1. Through the combined action of the modified light sand and the dense modifier, pores in the water-stabilized base can be filled to a certain extent, the possibility that the pores counteract the swelling amount generated by the swelling agent is reduced, and the anti-cracking effect of the water-stabilized base is fully improved.
本申请涉及外加剂技术领域，具体公开了一种水稳基层连铺防裂外加剂及其应用方法。外加剂包括如下重量份的组分：改性轻砂75‑95份，氧化镁膨胀剂200‑204份，氧化钙膨胀剂40‑44份，氢氧化钠40‑50份，密实改性剂40‑440份，硫酸钠75‑85份，缓凝剂12‑50份，改性轻砂由复合熔体经过挤出造粒得到，复合熔体的组分包括重量比为(1‑1.8):1的轻砂内养护剂和SAP吸水树脂。本申请通过改性轻砂和密实改性剂的共同作用，使得水稳基层内部的孔隙能够得到一定的填充，减少了孔隙与膨胀剂产生的膨胀量发生抵消的可能，有利于充分改善水稳基层的抗裂效果。
Continuous paving anti-cracking admixture for water-stabilized base and application method of continuous paving anti-cracking admixture
一种水稳基层连铺防裂外加剂及其应用方法
CAO YUFENG (author) / LIU XIANG (author) / MA YE (author) / ZOU YUFANG (author) / YIN JUNFANG (author)
2023-11-24
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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