CN109487637A - 轨道路基面防水层伸缩缝结构 - Google Patents
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Abstract
本发明公开了一种轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板、背衬材料、氯丁橡胶中空弹性管和密封胶层;所述背衬材料通过下述方式制备:将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为20‑30℃下静置25‑35min,然后再温度为100℃下保温2.5‑3.5h;为多层结构,防水密封效果好,耐久性强,结构强度更高。
Description
技术领域
本发明涉及道路伸缩缝材料,特别涉及一种轨道路基面防水层伸缩缝结构。
背景技术
高速铁路无砟轨道的平顺性严重影响旅客的乘车舒适度及安全运行。路基是无砟轨道的基础,东北等寒冷地区高速铁路路基的冻涨问题严重影响无砟轨道的平顺性。因此,在寒冷地区,预防路基的冻涨是高速铁路建设及运营维护的关键问题。在预防路基冻涨的各种技术措施中,路基面防水层的设计与施工是关键环节,防水层伸缩缝的密封至关重要,目前,主要采用聚氨酯密封膏对防水层伸缩缝进行密封。聚氨酯密封膏是一种有机材料,抗冻融及耐久性不高,同时,与混凝土防水层(无机材料)界面粘结性不强,容易破坏,使防水层伸缩缝成为地表水渗入路基的主要通道,造成冻胀和融沉等路基病害,影响无砟轨道的平顺性及行车安全。
发明内容
有鉴于此,本发明的目的在于提供一种轨道路基面防水层伸缩缝结构,为多层结构,防水密封效果好,耐久性强,在夏季高温、冬季低温及臭氧等恶劣环境下,仍能保持自身性能稳定以及良好的密封效果;与伸缩缝基材有良好的粘结、咬合作用;具有很好的抗位移变形能力和抗剥落强度,密封性好,耐久性强。
本发明的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板、背衬材料、氯丁橡胶中空弹性管和密封胶层;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为20-30℃下静置25-35min,然后再温度为100℃下保温2.5-3.5h;所述铁粉与环氧树脂的质量比为3-4.5:1;所述铝粉与环氧树脂的质量比为2-3.5:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板、背衬材料、氯丁橡胶中空弹性管和密封胶层之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层原料按重量份包括以下组分:环氧树脂30-40份、乙二醇丁醚10-20份、正丁醇5-12份、甲基丙烯酸5-10份、甲苯二异氰酸酯15-25份、聚醚二元醇5-10份、聚醚三元醇5-10份、多苯基多异氰酸酯1-5份、聚二甲基硅烷5-10份、3,3′-二氯-4,4′-二氨基二苯甲烷4-8份、二月桂酸二丁基锡1-3份、马来酸锡1-3份、改性填料20-30份、增粘剂1-3份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为15-25%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为2~6%,密闭条件下机械搅拌6-12分钟,然后在70-90℃条件下干燥2小时。
进一步,所述密封胶层原料按重量份包括以下组分:环氧树脂35份、乙二醇丁醚15份、正丁醇8份、甲基丙烯酸8份、甲苯二异氰酸酯20份、聚醚二元醇7份、聚醚三元醇7份、多苯基多异氰酸酯3份、聚二甲基硅烷7份、3,3′-二氯-4,4′-二氨基二苯甲烷6份、二月桂酸二丁基锡2份、马来酸锡2份、改性填料25份、增粘剂2份;
进一步,加入硅烷偶联剂配成浓度为20%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为4%,密闭条件下机械搅拌8分钟,然后在80℃条件下干燥2小时。
本发明的有益效果:本发明的轨道路基面防水层伸缩缝结构,为多层结构,防水密封效果好,耐久性强,结构强度更高,所采用的背衬材料受力均匀,具有很好的抗压强度和抗拉强度,中空弹性管可以长期适应混凝土板的变形,尤其是水平伸缩变形和竖向剪切变形,当横缝的宽度随温度变化时,由于中空弹性防水件的压缩程度适于其进行伸缩运动,弹性防水件在横缝伸缩变形和剪切变形的情况下,通过降低因横缝伸缩、剪切变形的界面应力而不会因脱离出横缝而造成横缝与弹性防水件的连接处产生破损;所采用的密封胶层具有良好的浸水稳定性、耐化学稳定性、抗疲劳特性、温度稳定性,在夏季高温、冬季低温及臭氧等恶劣环境下,仍能保持自身性能稳定以及良好的密封效果;与伸缩缝基材有良好的粘结、咬合作用;具有很好的抗位移变形能力和抗剥落强度,且流动性好。
附图说明
下面结合附图和实施例对本发明作进一步描述:
图1为本发明的结构示意图。
具体实施方式
实施例一
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;
所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为20℃下静置25min,然后再温度为100℃下保温2.5h;所述铁粉与环氧树脂的质量比为3:1;所述铝粉与环氧树脂的质量比为2:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂30份、乙二醇丁醚10份、正丁醇5份、甲基丙烯酸5份、甲苯二异氰酸酯15份、聚醚二元醇5份、聚醚三元醇5份、多苯基多异氰酸酯1份、聚二甲基硅烷5份、3,3′-二氯-4,4′-二氨基二苯甲烷4份、二月桂酸二丁基锡1份、马来酸锡1份、改性填料20份、增粘剂1份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为15%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为2%,密闭条件下机械搅拌6分钟,然后在70℃条件下干燥2小时。
实施例二
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为30℃下静置35min,然后再温度为100℃下保温3.5h;所述铁粉与环氧树脂的质量比为4.5:1;所述铝粉与环氧树脂的质量比为3.5:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂40份、乙二醇丁醚20份、正丁醇12份、甲基丙烯酸10份、甲苯二异氰酸酯25份、聚醚二元醇10份、聚醚三元醇10份、多苯基多异氰酸酯5份、聚二甲基硅烷10份、3,3′-二氯-4,4′-二氨基二苯甲烷8份、二月桂酸二丁基锡3份、马来酸锡3份、改性填料30份、增粘剂3份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为25%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为6%,密闭条件下机械搅拌12分钟,然后在90℃条件下干燥2小时。
实施例三
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为20℃下静置35min,然后再温度为100℃下保温2.5h;所述铁粉与环氧树脂的质量比为4.5:1;所述铝粉与环氧树脂的质量比为3.5:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂30份、乙二醇丁醚20份、正丁醇5份、甲基丙烯酸10份、甲苯二异氰酸酯15份、聚醚二元醇10份、聚醚三元醇5份、多苯基多异氰酸酯5份、聚二甲基硅烷5份、3,3′-二氯-4,4′-二氨基二苯甲烷8份、二月桂酸二丁基锡1份、马来酸锡3份、改性填料20份、增粘剂3份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为15%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为6%,密闭条件下机械搅拌6-12分钟,然后在70℃条件下干燥2小时。
实施例四
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为25℃下静置28min,然后再温度为100℃下保温3h;所述铁粉与环氧树脂的质量比为3.5:1;所述铝粉与环氧树脂的质量比为2.5:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂40份、乙二醇丁醚10份、正丁醇12份、甲基丙烯酸5份、甲苯二异氰酸酯25份、聚醚二元醇5份、聚醚三元醇10份、多苯基多异氰酸酯1份、聚二甲基硅烷10份、3,3′- 二氯-4,4′-二氨基二苯甲烷4份、二月桂酸二丁基锡3份、马来酸锡1份、改性填料30份、增粘剂1份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为25%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为2%,密闭条件下机械搅拌6-12分钟,然后在90℃条件下干燥2小时。
实施例五
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为22℃下静置35min,然后再温度为100℃下保温3.2h;所述铁粉与环氧树脂的质量比为4.2:1;所述铝粉与环氧树脂的质量比为3.2:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂35份、乙二醇丁醚15份、正丁醇5份、甲基丙烯酸10份、甲苯二异氰酸酯18份、聚醚二元醇10份、聚醚三元醇5份、多苯基多异氰酸酯2份、聚二甲基硅烷10份、3,3′-二氯-4,4′-二氨基二苯甲烷4份、二月桂酸二丁基锡2份、马来酸锡3份、改性填料20份、增粘剂2份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为22%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为5%,密闭条件下机械搅拌7分钟,然后在85℃条件下干燥2小时。
实施例六
本实施例的轨道路基面防水层伸缩缝结构,包括由下至上设置在所述伸缩缝内的嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为25℃下静置30min,然后再温度为100℃下保温3h;所述铁粉与环氧树脂的质量比为4:1;所述铝粉与环氧树脂的质量比为3:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板1、背衬材料2、氯丁橡胶中空弹性管3和密封胶层4之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层4原料按重量份包括以下组分:环氧树脂35份、乙二醇丁醚15份、正丁醇8份、甲基丙烯酸8份、甲苯二异氰酸酯20份、聚醚二元醇7份、聚醚三元醇7份、多苯基多异氰酸酯3份、聚二甲基硅烷7份、3,3′-二氯-4,4′-二氨基二苯甲烷6份、二月桂酸二丁基锡2份、马来酸锡2份、改性填料25份、增粘剂2份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为20%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为4%,密闭条件下机械搅拌6-12分钟,然后在80℃条件下干燥2小时。
上述实施例中,所述嵌缝板1为聚苯乙烯泡沫板,其厚度为15-20mm;所述背衬材料厚度为5-10mm。
上述实施例中,背衬材料的制备过程中,所述环氧树脂与丙酮的体积比为20:3。
将上述实施例中采用密封胶的性能如下:
冻融循环试验:
经过300次冻融循环试验,未发现硅橡胶粘结试样有破坏,说明硅橡胶具有良好的抗冻融循环稳定性。
耐化学腐蚀稳定性:
将粘结试样分别放置在酸、碱和盐(10%HCl溶液、饱和Ca(OH)2溶液和10%NaCl溶液)溶液中浸泡6个月,观察其粘结面破坏情况。通过6个月的酸、碱及盐溶液浸泡试验,发现粘结水泥块试样未发生粘结破坏。
耐液体浸泡稳定性:(液体浸泡质量损失率)
结论:本发明的轨道路基面防水层伸缩缝结构,具有较好的耐液体浸泡稳定性、耐化学腐蚀稳定性、和抗冻融循环稳定性。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (3)
1.一种轨道路基面防水层伸缩缝结构,其特征在于:包括由下至上设置在所述伸缩缝内的嵌缝板、背衬材料、氯丁橡胶中空弹性管和密封胶层;所述背衬材料通过下述方式制备:
将丙酮与环氧树脂混合搅拌均匀,然后加入铁粉和铝粉搅拌均匀后静置2h,排出部分气泡,然后加入三乙烯四胺迅速搅拌均匀,浇入模具中在温度为20-30℃下静置25-35min,然后再温度为100℃下保温2.5-3.5h;所述铁粉与环氧树脂的质量比为3-4.5:1;所述铝粉与环氧树脂的质量比为2-3.5:1;
所述中空弹性管沿伸缩缝纵向分布,所述嵌缝板、背衬材料、氯丁橡胶中空弹性管和密封胶层之间通过涂刷界面粘接剂粘结固定连接伸缩缝,所述中空弹性管的管壁厚度为1-3mm;所述中空弹性管的拉伸强度>5MPa,拉断伸长率>200%,撕裂强度>20kN/m,硬度>50HA,回弹率>50%;
所述密封胶层原料按重量份包括以下组分:环氧树脂30-40份、乙二醇丁醚10-20份、正丁醇5-12份、甲基丙烯酸5-10份、甲苯二异氰酸酯15-25份、聚醚二元醇5-10份、聚醚三元醇5-10份、多苯基多异氰酸酯1-5份、聚二甲基硅烷5-10份、3,3′-二氯-4,4′-二氨基二苯甲烷4-8份、二月桂酸二丁基锡1-3份、马来酸锡1-3份、改性填料20-30份、增粘剂1-3份;
所述增粘剂为γ-缩水甘油醚氧丙基三甲氧基硅烷和N-β-(氨乙基)-γ氨丙基三甲氧基硅烷的混合物,按重量比γ-缩水甘油醚氧丙基三甲氧基硅烷:N-β-(氨乙基)-γ氨丙基三甲氧基硅烷=2:1;
所述改性填料通过下述方式制备:首先以体积比1:1配制甲醇与水的混合溶剂,然后加入硅烷偶联剂配成浓度为15-25%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为2~6%,密闭条件下机械搅拌6-12分钟,然后在70-90℃条件下干燥2小时。
2.根据权利要求1所述的轨道路基面防水层伸缩缝结构,其特征在于:所述密封胶层原料按重量份包括以下组分:环氧树脂35份、乙二醇丁醚15份、正丁醇8份、甲基丙烯酸8份、甲苯二异氰酸酯20份、聚醚二元醇7份、聚醚三元醇7份、多苯基多异氰酸酯3份、聚二甲基硅烷7份、3,3′-二氯-4,4′-二氨基二苯甲烷6份、二月桂酸二丁基锡2份、马来酸锡2份、改性填料25份、增粘剂2份。
3.根据权利要求1所述的轨道路基面防水层伸缩缝结构,其特征在于:加入硅烷偶联剂配成浓度为20%的溶液,将此溶液加入白炭黑中,所述硅烷偶联剂占白炭黑的质量百分数为4%,密闭条件下机械搅拌8分钟,然后在80℃条件下干燥2小时。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001098501A (ja) * | 1999-09-29 | 2001-04-10 | East Japan Railway Co | 鉄道高架橋に於けるバラスト軌道床版の防水工法 |
CN102477271A (zh) * | 2010-11-27 | 2012-05-30 | 比亚迪股份有限公司 | 一种环氧密封胶及其制备方法 |
CN105525554A (zh) * | 2016-01-17 | 2016-04-27 | 重庆交通大学 | 全开缝中空弹性管嵌入接缝的水泥混凝土路面防水结构 |
CN106634754A (zh) * | 2017-01-03 | 2017-05-10 | 湖南柯盛新材料有限公司 | 一种建筑密封胶及其制备方法 |
CN107011855A (zh) * | 2017-05-05 | 2017-08-04 | 江苏海川卓越密封材料有限公司 | 常温固化密封胶组合物及其制备方法 |
CN107313306A (zh) * | 2017-08-12 | 2017-11-03 | 中国铁路设计集团有限公司 | 用于寒冷地区高速铁路无砟轨道路基面防水层伸缩缝的密封结构 |
-
2018
- 2018-08-31 CN CN201811005884.4A patent/CN109487637A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001098501A (ja) * | 1999-09-29 | 2001-04-10 | East Japan Railway Co | 鉄道高架橋に於けるバラスト軌道床版の防水工法 |
CN102477271A (zh) * | 2010-11-27 | 2012-05-30 | 比亚迪股份有限公司 | 一种环氧密封胶及其制备方法 |
CN105525554A (zh) * | 2016-01-17 | 2016-04-27 | 重庆交通大学 | 全开缝中空弹性管嵌入接缝的水泥混凝土路面防水结构 |
CN106634754A (zh) * | 2017-01-03 | 2017-05-10 | 湖南柯盛新材料有限公司 | 一种建筑密封胶及其制备方法 |
CN107011855A (zh) * | 2017-05-05 | 2017-08-04 | 江苏海川卓越密封材料有限公司 | 常温固化密封胶组合物及其制备方法 |
CN107313306A (zh) * | 2017-08-12 | 2017-11-03 | 中国铁路设计集团有限公司 | 用于寒冷地区高速铁路无砟轨道路基面防水层伸缩缝的密封结构 |
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