WO2018107753A1 - 一种高速水流建筑物抗冲耐磨防护涂层的施工方法 - Google Patents

一种高速水流建筑物抗冲耐磨防护涂层的施工方法 Download PDF

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WO2018107753A1
WO2018107753A1 PCT/CN2017/093764 CN2017093764W WO2018107753A1 WO 2018107753 A1 WO2018107753 A1 WO 2018107753A1 CN 2017093764 W CN2017093764 W CN 2017093764W WO 2018107753 A1 WO2018107753 A1 WO 2018107753A1
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water flow
speed water
protective coating
construction
layer
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PCT/CN2017/093764
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English (en)
French (fr)
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居浩
赵继勇
陈海坤
李刚
高传彬
何建峰
陈波
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中国电建集团贵阳勘测设计研究院有限公司
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Publication of WO2018107753A1 publication Critical patent/WO2018107753A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16—Sealings or joints

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  • the invention relates to the technical field of water conservancy and hydropower engineering, in particular to the field of high-speed water flow building construction of water conservancy and hydropower engineering, and particularly relates to a construction method of anti-shock wear-resistant protective coating for high-speed water flow buildings.
  • the high-speed water flow area of the drainage building and the part with poor water flow state are prone to turbulent flow, and are often repeatedly washed and worn by the high-speed water flow sand, causing serious abrasion and cavitation of the concrete, shortening
  • the service life of the building; the current prevention methods generally use pouring high-performance high-strength anti-wear concrete layer or using polymer composite protective coating to protect the flow path of the draining building.
  • the first method uses a high-strength anti-wear concrete layer to achieve erosion resistance, hard hit, and is represented by silicon powder and fly ash concrete.
  • the invention aims to provide a construction method for a high-speed water flow building anti-shock wear-resistant protective coating to solve the existing high-speed water flow building using high-strength anti-wear concrete or epoxy tree
  • the use of grease to achieve anti-scouring is inconvenient, poor in workability, difficult to construct, difficult to wipe, poor in anti-aging ability, poor weather resistance, lifting and delamination, inconvenient construction, contaminated volatiles, poor engineering adaptability And other issues.
  • a construction method for a high-speed water flow building anti-shock wear protective coating comprising the following steps:
  • Construction preparation clean up obstacles and garbage on the construction site, install hanging baskets and scaffolding, install lighting equipment and supporting power supply, and dismantle temporary buildings and attachments;
  • step (4) is divided into the following steps:
  • the interface agent is uniformly coated with a layer of polyurea on its surface after drying.
  • the surface contaminated with oil in the step (2) is washed with a corresponding xylene.
  • the atmosphere temperature during the primer application is 5-35 °C.
  • the interval between the step (4-2) and the step (4-3) is 8-24 h.
  • the spraying time of the polyurea layer in the step (4-3) is ⁇ 3 h.
  • the curing time in the step (5) is ⁇ 24h.
  • the protective layer has a thickness of 0.2 to 1 cm.
  • the present invention provides a high-speed water flow building impact wear-resistant protective coating
  • the layer construction method uses polyurea instead of the traditional strength anti-wear concrete or epoxy resin to achieve anti-scouring.
  • Polyurea has excellent physical and mechanical properties, high tensile strength, large deformation, high abrasion resistance and adaptability. Strong, convenient construction, etc., especially the anti-wear ability can reach more than 10 times C60 silica fume concrete, which can better solve the wear problem of high-speed water flow to the flow channel.
  • Figure 1 is a structural view of the construction of the present invention
  • a primer on the base surface of the high-speed water flow zone, and the atmospheric temperature is 5 when the primer is applied. -35 ° C; after the primer is dried, a layer of interfacial agent is uniformly coated on the surface; the interface agent is uniformly coated with a layer of polyurea on the surface after drying, the spraying time of the polyurea layer is 3 h, the interface agent is dried and the polyurea layer is The coating interval is 24h. If the interface agent drying time exceeds 24h due to the construction site environment, the interface agent needs to be re-constructed before the polyurea layer is applied. The cloth is covered for cover and curing, and the curing time is 24h.
  • Clean up obstacles and garbage on the construction site, install hanging baskets and scaffolding, install lighting fixtures Prepare and support power supply, remove temporary buildings and attachments; remove floating ash, cement slag and mold release agent from the base surface of high-speed water flow area of hydraulic structures, sand, wire brush and sander equipment for grinding, cleaning and oil pollution
  • the contaminated surface is cleaned with the corresponding xylene; the base surface of the high-speed water flow area is washed with high-pressure clear water, and the base surface of the high-speed water flow area is completely dried after the completion of the washing; the protective layer is uniformly coated on the surface of the high-speed water flow area, and the thickness of the protective layer is 0.2cm, as shown in Figure 1, specifically: uniformly coating a primer on the base of the high-speed water flow zone, the atmospheric temperature is 5-35 °C during the primer construction; the primer is evenly coated on the surface after drying.
  • Interfacial agent the interface agent is uniformly coated with a layer of polyurea on the surface after drying, the spraying time of the polyurea layer is 2h, the interval between the interface agent drying and the polyurea layer coating is 8h, if the interface agent is dried due to the construction site environment If the time exceeds 24h, the interface agent needs to be re-constructed before the polyurea layer is applied.
  • the tarpaulin is used to cover and cover the curing. The curing time is 36h.
  • a primer uniformly coating a primer on the base surface of the high-speed water flow zone, and the atmospheric temperature during the primer construction is 5-35 ° C; after the primer is dried, a layer of interfacial agent is uniformly coated on the surface; after drying the interface agent, a layer of polyurea is uniformly coated on the surface, and the spraying time of the polyurea layer is 2.5 h, and the interface agent is dried and aggregated.
  • the interval of urea coating is 12h. If the drying time of the interface agent exceeds 24h due to the construction site environment, the interface agent needs to be re-constructed before the polyurea layer is applied. Tarp blocking masked curing, curing time is 48h.
  • the primer is coated with a primer at a temperature of 5-35 ° C; the primer is evenly coated with a layer of interfacial agent after drying; the interface agent is uniformly coated with a layer of polyurea on the surface after drying.
  • the spraying time of the urea layer is 2h, the interval between the drying of the interface agent and the coating of the polyurea layer is 18h. If the drying time of the interface agent exceeds 24h due to the construction site environment, the interface agent needs to be re-constructed before the polyurea layer construction; After the construction is completed, the tarpaulin is used to cover and cover the curing.
  • the curing time is 30h.
  • the preferred embodiment of the protective layer construction in the present invention includes the following construction steps:
  • A. Repair of base defects Polymer mortar is used to fill the holes with large concrete surface in high-speed water flow area; the strength index of repair materials should not be lower than the concrete strength index in high-speed water flow area, and the bond strength with the base surface is greater than 2.5MPa.
  • the base surface temperature during construction is higher than the dew point temperature by 3 ° C, and cannot be lower than 5 ° C; the air humidity cannot be higher than 85%, and the base surface moisture content cannot be higher than 7%; and during the polyurea construction, When the wind exceeds the third level, the construction should be stopped or the necessary windproof measures should be taken to avoid the excessive wind and the floating material and the undried polyurea coating.
  • the primer in the step B should have good penetrating power, can seal the moisture and pores of the base layer, and can have a good bonding effect with the concrete base layer and the polyurea coating; It must be used within 1h.
  • step C in order to ensure that the overlapping of the polyurea coating and the surrounding concrete is firm and reliable, avoiding picking up under high-speed water flow, a smooth transition is adopted for special parts such as structural peripherals and joints; concrete cracks of the flow surface, structural expansion joints A glass fiber cloth shall be added to the coating, and the joint is not less than 40 cm along the seam surface.
  • the interval between the above steps C and D is 8-24h.
  • the polyurea in the step D generally adopts a single component, and should be continuously sprayed to the design thickness and formed once. If the spray is applied multiple times, the surface should be polished and the interlayer treatment agent should be applied before the construction; after the polyurea packaging drum is opened It should be used within 3 hours; the heating temperature of polyurea should be 60-70°, the liquidity of polyurea is lowered, and even the condensation is easy, which leads to poor curing; it is not suitable to contact with water within 2 hours after the completion of polyurea spraying to avoid dust. Pollution from sewage and debris.
  • the protective layer construction thickness as 1cm as an example, as shown in FIG. 1 , specifically: uniformly coating a primer layer on the base surface of the high-speed water flow region, and the atmospheric temperature is higher than 5 ° C during the primer construction; After the primer is dried, a special layer of putty is evenly coated on the surface; the interval between primer drying and special putty coating is 24h, and the interval between special putty and polyurea coating is 24h. If the interface agent is dry due to the construction site environment If the time exceeds 24h, the interface agent needs to be re-constructed before the polyurea layer is applied. After the protective coating is completed, the tarpaulin is used to cover and cover the curing. The curing time is 72h.
  • the protective layer construction thickness as 0.2cm as an example, as shown in Fig. 1, specifically: uniformly coating a primer on the base surface of the high-speed water flow zone, the atmospheric temperature is higher than 5 °C during the primer construction; after the primer is dried, The surface is uniformly coated with a special layer of putty; the interval between primer drying and special putty coating is 8h, and the interval between special putty drying and polyurea layer coating is 8h. If the interface agent drying time exceeds 24h due to the construction site environment, Then, the interface agent needs to be re-constructed before the polyurea layer is applied; after the construction of the protective coating is completed, the tarpaulin is used to cover and cover the curing, and the curing time is 24 hours.
  • the protective layer construction thickness as 0.4cm as an example, as shown in Fig. 1, specifically: uniformly coating a primer on the base surface of the high-speed water flow zone, the atmospheric temperature is higher than 5 °C during the primer construction; the primer is dry After drying, evenly apply a special layer of putty on the surface; primer drying and special putty coating interval is 12h, special putty drying and polyurea layer coating interval is 12h, if the interface agent drying time due to the construction site environment After more than 24 hours, the interface agent needs to be re-constructed before the polyurea layer is applied. After the construction of the protective coating is completed, it is covered with tarpaulin for cover curing, and the curing time is 36h.
  • the protective layer construction thickness as 0.8cm as an example, as shown in Fig. 1, specifically: uniformly coating a primer on the base surface of the high-speed water flow zone, the atmospheric temperature is higher than 5 °C during the primer construction; after the primer is dried, The surface is uniformly coated with a special layer of putty; the interval between primer drying and special putty coating is 18h, and the interval between special putty drying and polyurea layer coating is 18h. If the interface agent drying time exceeds 24h due to the construction site environment, Then, the interface agent needs to be re-constructed before the construction of the polyurea layer; after the construction of the protective coating is completed, the tarpaulin is used for covering and curing, and the curing time is 48 hours.

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Abstract

一种高速水流建筑物抗冲耐磨防护涂层的施工方法，包括施工准备、基面打磨清理、清洗、保护层施工和养护等步骤。采用聚脲取代传统的强度抗冲磨混凝土或环氧树脂来实现抗冲刷，聚脲具有优异的物理力学性能，具有抗拉强度高、变形大、抗磨性高、适应性能强、施工方便等优点，能较好解决高速水流对流道的磨损问题。

Description

一种高速水流建筑物抗冲耐磨防护涂层的施工方法 技术领域
本发明涉及水利水电工程技术领域，尤其涉及水利水电工程高速水流建筑物施工领域，具体涉及一种高速水流建筑物抗冲耐磨防护涂层的施工方法。
背景技术
在水利水电工程领域，泄水建筑物高速水流区以及水流流态较差的部位，易产生紊流，且经常受高速水流夹沙长期反复冲刷磨损，造成混凝土磨蚀严重和空蚀现象，缩短了建筑物使用寿命；目前所采用的预防方式一般采用浇筑高性能高强度抗冲磨混凝土层或者采用高分子复合材料防护涂层来保护泄水建筑物的流道。第一种方法采用高强度抗冲磨混凝土层来实现抗冲刷，硬碰硬，以硅粉、粉煤灰混凝土为代表。硅粉混凝土在使用中存在计量投料不方便、和易性差、施工难度大、抹面困难等问题；粉煤灰混凝土抗碳化能力差，影响混凝土耐久性。第二种多针对环氧树脂的改性，以改变其脆性、提高断裂韧性和抗冲磨能力。但环氧树脂抗老化能力差，耐候性差已发生龟裂、起翘和脱层等问题，且施工不方便，有一定污染挥发物存在，工程适应性差，未能在工程中大量使用。所以，急需一种能解决上述问题的新方案来实现高速水流建筑物的抗冲耐磨，但现有技术中没有相应的技术方案。
发明内容
本发明旨在提供一种高速水流建筑物抗冲耐磨防护涂层的施工方法，以解决现有高速水流建筑物采用高强度抗冲磨混凝土或环氧树 脂来实现抗冲刷所存在的计量投料不方便、和易性差、施工难度大、抹面困难、抗老化能力差、耐候性差、起翘和脱层、施工不方便、存在污染挥发物、工程适应性差等问题。
本发明是通过如下技术方案予以实现的：
一种高速水流建筑物抗冲耐磨防护涂层的施工方法，该方法包括以下步骤：
(1)施工准备：清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设备及配套电源，拆除临时建筑物及附着物；
(2)基面打磨清理：清除水工建筑物高速水流区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗；
(3)清洗：用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；
(4)保护层施工：在高速水流区基面表面均匀涂覆保护层；
(5)养护：保护涂层施工完毕后进行掩盖养护；并避免24h重物碾压，外力冲击。
所述步骤(4)分为以下步骤：
(4-1)在高速水流区基面均匀涂覆一层底漆；
(4-2)底漆干燥后在其表面均匀涂覆一层界面剂；
(4-3)界面剂干燥后在其表面均匀涂覆一层聚脲层。
所述步骤(2)中受油污污染的表面采用相应的二甲苯清洗。
所述步骤(4-1)中底漆施工时大气温度为5-35℃。
所述步骤(4-2)与步骤(4-3)之间的间隔时间为8-24h。
所述步骤(4-3)中聚脲层喷涂时间≤3h。
所述步骤(5)中养护时间≥24h。
所述保护层的厚度为0.2-1cm。
本发明的有益效果是：
与现有技术相比，本发明提供的高速水流建筑物抗冲耐磨防护涂 层的施工方法，采用聚脲取代传统的强度抗冲磨混凝土或环氧树脂来实现抗冲刷，聚脲具有优异的物理力学性能，具有抗拉强度高、变形大、抗磨性高、适应性能强、施工方便等优点，尤其抗冲磨能力可达到C60硅粉混凝土10倍以上，能较好解决高速水流对流道的磨损问题。
附图说明
图1是本发明中施工结构图；
图中：1-水工建筑物，2-高速水流区基面，3-保护涂层。
具体实施方式
以下结合附图及实施例对本发明的技术方案作进一步说明，但所要求的保护范围并不局限于所述；
实施例1：
清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设备及配套电源，拆除临时建筑物及附着物；清除水工建筑物高速水流区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗，受油污污染的表面采用相应的二甲苯清洗；用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；在高速水流区基面表面均匀涂覆保护层，保护层的厚度为1cm，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度为5-35℃；底漆干燥后在其表面均匀涂覆一层界面剂；界面剂干燥后在其表面均匀涂覆一层聚脲层，聚脲层喷涂时间为3h，界面剂干燥和聚脲层涂覆间隔时间为24h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为24h。
实施例2：
清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设 备及配套电源，拆除临时建筑物及附着物；清除水工建筑物高速水流区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗，受油污污染的表面采用相应的二甲苯清洗；用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；在高速水流区基面表面均匀涂覆保护层，保护层的厚度为0.2cm，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度为5-35℃；底漆干燥后在其表面均匀涂覆一层界面剂；界面剂干燥后在其表面均匀涂覆一层聚脲层，聚脲层喷涂时间为2h，界面剂干燥和聚脲层涂覆间隔时间为8h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为36h。
实施例3：
清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设备及配套电源，拆除临时建筑物及附着物；清除水工建筑物高速水流区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗，受油污污染的表面采用相应的二甲苯清洗；用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；在高速水流区基面表面均匀涂覆保护层，保护层的厚度为0.4cm，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度为5-35℃；底漆干燥后在其表面均匀涂覆一层界面剂；界面剂干燥后在其表面均匀涂覆一层聚脲层，聚脲层喷涂时间为2.5h，界面剂干燥和聚脲层涂覆间隔时间为12h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为48h。
实施例4：
清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设备及配套电源，拆除临时建筑物及附着物；清除水工建筑物高速水流 区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗，受油污污染的表面采用相应的二甲苯清洗；用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；在高速水流区基面表面均匀涂覆保护层，保护层的厚度为0.8cm，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度为5-35℃；底漆干燥后在其表面均匀涂覆一层界面剂；界面剂干燥后在其表面均匀涂覆一层聚脲层，聚脲层喷涂时间为2h，界面剂干燥和聚脲层涂覆间隔时间为18h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为30h。
为了方便防护涂层施工，进一步减少污染挥发物存在，增强工程适应性，使得该方法能在工程中大量使用。本发明中的保护层施工优选方案包括如下施工步骤：
A、基层缺陷修补：采用聚合物砂浆填补高速水流区混凝土基面较大的孔洞；修补材料的强度指标应不低于高速水流区混凝土强度指标，与基面的黏结强度大于2.5MPa。
B、底漆施工：待聚合物砂浆初凝后，在高速水流区基面表面均匀涂覆底漆；
C、基面找平：采用专用腻子对涂刷了底漆的基面进行找平；
D、喷涂聚脲涂层：待底漆和腻子表干后实干前，开始喷涂聚脲弹性体。
所述步骤B～D中施工时基面温度高于露点温度3℃，不能低于5℃；空气湿度不能高于85％，基面含水率不能高于7％；且在聚脲施工时，风力超过三级时应停止施工或采取必要的防风措施，避免风力过大造成飘飞的物料污染基面和未干燥的聚脲涂层。
所述步骤B中底漆应有良好的渗透力，能封闭基层的水分、气孔，同时能够与混凝土基层与聚脲涂层有很好的粘结作用；材料混合后在 1h内要使用完毕。
所述步骤C中，为保证聚脲涂层与周围混凝土的搭接牢固可靠，避免在高速水流冲刷下掀起，结构周边及接头等特殊部位采用平滑过渡处；过流面混凝土裂缝、结构伸缩缝处应在涂层中增设玻璃纤维布，沿缝面搭接不小于40cm。
上述步骤C与步骤D之间的间隔时间为8-24h。
所述步骤D中聚脲一般采用单组分，应连续喷涂至设计厚度，一次成型，若分多次喷涂，施工前应将表面打磨处理并涂刷层间处理剂；聚脲包装桶打开后宜在3h内用完；聚脲加热温度宜在60-70°，温度过低聚脲流动性降低，甚至凝结，同时易导致固化不良；聚脲喷涂完成后2h内不宜与水接触，避免粉尘、污水及杂物的污染。
采用上述优选技术方案，以保护层施工厚度为1cm为例，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度高于5℃；底漆干燥后在其表面均匀涂覆一层专用腻子；底漆干燥和专用腻子涂覆间隔时间为24h，专用腻子和聚脲层涂覆间隔时间为24h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为72h。
以保护层施工厚度为0.2cm为例，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度高于5℃；底漆干燥后在其表面均匀涂覆一层专用腻子；底漆干燥和专用腻子涂覆间隔时间为8h，专用腻子干燥和聚脲层涂覆间隔时间为8h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为24h。
以保护层施工厚度为0.4cm为例，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度高于5℃；底漆干 燥后在其表面均匀涂覆一层专用腻子；底漆干燥和专用腻子涂覆间隔时间为12h，专用腻子干燥和聚脲层涂覆间隔时间为12h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为36h。
以保护层施工厚度为0.8cm为例，如图1所示，具体为：在高速水流区基面均匀涂覆一层底漆，底漆施工时大气温度高于5℃；底漆干燥后在其表面均匀涂覆一层专用腻子；底漆干燥和专用腻子涂覆间隔时间为18h，专用腻子干燥和聚脲层涂覆间隔时间为18h，若由于施工现场环境导致界面剂干燥时间超过24h，则在聚脲层施工前需要重新施工界面剂；保护涂层施工完毕后采用篷布遮挡进行掩盖养护，养护时间为48h。
工业实用性：本申请可以在工业中使用，具有工业实用性。
应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。本实施例中未明确的各组成部分均可用现有技术加以实现。

Claims (8)

  1. 一种高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：该方法包括以下步骤：
    (1)施工准备：清理施工现场的障碍物和垃圾，安装吊篮及脚手架，安装照明设备及配套电源，拆除临时建筑物及附着物；
    (2)基面打磨清理：清除水工建筑物高速水流区基面的浮灰、水泥渣、脱模剂，采用砂子、钢丝刷及打磨机设备进行打磨、清洗；
    (3)清洗：用高压清水冲洗高速水流区基面，冲洗完成后等待高速水流区基面完全干燥；
    (4)保护层施工：在高速水流区基面表面均匀涂覆保护层；
    (5)养护：保护涂层施工完毕后进行掩盖养护。
  2. 根据权利要求1所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(4)分为以下步骤：
    (4-1)在高速水流区基面均匀涂覆一层底漆；
    (4-2)底漆干燥后在其表面均匀涂覆一层界面剂；
    (4-3)界面剂干燥后在其表面均匀涂覆一层聚脲层。
  3. 根据权利要求1所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(2)中受油污污染的表面采用相应的二甲苯清洗。
  4. 根据权利要求2所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(4-1)中底漆施工时大气温度为5-35℃。
  5. 根据权利要求2所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(4-2)与步骤(4-3)之间的间隔时间为8-24h。
  6. 根据权利要求2所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(4-3)中聚脲层喷涂时间≤3h。
  7. 根据权利要求1所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述步骤(5)中养护时间≥24h。
  8. 根据权利要求1所述的高速水流建筑物抗冲耐磨防护涂层的施工方法，其特征在于：所述保护层的厚度为0.2-1cm。
PCT/CN2017/093764 2016-12-14 2017-07-21 一种高速水流建筑物抗冲耐磨防护涂层的施工方法 WO2018107753A1 (zh)

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