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凝土破損、起砂有什么修補方法？水泥混凝土常見的破壞形式，有表面起砂起灰、紋裂、網裂、起皮、磨損、露骨、坑槽、孔洞等。孔洞是因為水泥混凝土路面板表面有局部破損，形成一定深度的洞穴成為孔洞。面層骨料局部脫落產生的長槽稱為坑槽。孔洞和坑槽的形成主要是由于砂石材料含泥量過大，混凝土內有泥土或雜物所致。露骨是水泥混凝土表面結合料磨失，成片或者成段的呈現過渡的粗糙稱為麻面，路面混凝土保護層脫落形成的骨料裸露。麻面主要是由于混凝土施工時遇雨所致。露骨主要是混凝土表面灰漿不足，泌水提漿造成混凝土路面表面強度降低。松散是水泥混凝土地面由于結合料不足或者失效，成片或成段的呈現過渡的粗砂和砂石材料分離的現象稱。松散主要是由于砂石含泥量較大，水泥質量較差或較少，或混凝土本身強度不足引起。
如果混凝土地面破損、起砂應該怎樣修補呢？
混凝土表面修補砂漿是一種聚合物水泥基修補砂漿，主要用于水泥砂漿或混凝土地面、墻面、屋面的表面缺陷（如毛面、磨窩等）外觀修復。預拌式干粉砂漿，纖維加強，室內外均可使用，加水攪拌即可直接抹面修補。
一、適用范圍：
水泥砂漿（墻）地面、混凝土（墻）地面、混凝土屋面、混凝土構件表面粗糙、麻窩、坑洼的補平。
二、施工工藝：
1、基面要求及預處理：
①保持地面干燥，清掃表面砂塵；若表面有水泥殼、油漆、涂料等附著物，應完全去除。若具備條件，可用清水將地面清洗干凈，待表面完全干燥后再涂刷界面劑。
②涂刷界面劑：液體界面劑加1倍清水攪勻，滾筒均勻涂刷1-2遍（干燥后表面出現一定的光澤度即可）。
③一般需要1-6小時、當界面劑完全干燥后方可進行修補砂漿的批刮。
2、配料：混凝土表面修補砂漿干料，按干料：水=1：0.30-0.35（重量比）攪拌均勻，不得有結塊。配制好的砂漿必須在1小時內用完，冬季配方必須在30分鐘內用完。
3、批刮：
抹刀（批刀）或專用鏝刀均勻刮涂，單次涂層厚度不大于5mm。底層砂漿凝固后方可進行后續施工，砂漿涂層總厚度不大于15mm。技術指標請參考混凝土表面修補砂漿檢測報告。
以上是“混凝土破損、起砂有什么修補方法”的簡要介紹，更多“混凝土破損、起砂有什么修補方法”信息，請咨詢混凝土表面修補砂漿廠家.泥地面施工不合格，表現在水泥地坪質量糟糕，水泥面掉沙子、起砂起灰塵，混凝土地面平整度差有坑洼麻窩，地面產生不規則裂縫等。不合格的原材料（如水泥、砂石料不合格）、不合格的施工工藝和養護措施，是水泥混凝土地面施工不良、質量不合格的常見原因。
水泥地面一旦施工不合格，可以參考以下處理辦法。
1、不規格裂縫的修補方法：修理水泥混凝土地面裂縫的材料主要有聚氨酯、聚硫環氧樹脂、環氧樹脂等高分子化學材料。根據修補季節、裂縫程度、施工工藝等因素選用以下方法：直接灌入法，噴嘴噴漿法，條帶罩面法。
2、地面平整度的改善方法：可以通過水磨石機對基面進行打磨處理坑，地面麻窩、坑洼可以采用混凝土表面修補砂漿修補平整。
3、地面起砂起灰問題：
Broken concrete, sand what repair method? Common failure mode concrete, from the sand surface from dust, crazing, network crack, peeling, wear, explicit, pits, holes and so on. Hole because cement concrete pavement surface local damage, a certain depth of the cave become holes. Surface trough partial loss of aggregate produced called pits. Holes and pits are formed mainly due to gravel material containing excessive mud, dirt or debris inside the concrete has caused. Explicit binding cement concrete surface wears off, into a piece or a segment showing a rough transition called pockmarked face, exposed aggregate concrete pavement forming a protective layer off. Pock was mainly due to the rain caused when the concrete. Mainly the lack of explicit concrete surface mortar, bleeding caused by surface water extraction slurry reduce the strength of concrete pavement. Loose cement concrete floor or fail due to insufficient binder, into a film or a segment showing the transition of coarse sand and gravel material separation phenomenon known. Loose mainly due to the large amount of sand, clay, cement quality is poor or less, or less than the strength of the concrete itself caused.
If the concrete floor is damaged, from the sand should you repair it?
Concrete surface repair mortar is a polymer cement-based repair mortar, mainly used in cement mortar or concrete floors, walls, roof surface defects (such as matte, grinding nest etc.) Appearance repair. Ready-mixed mortar dry powder, fiber reinforced, indoor and outdoor use, add water and stir to direct plaster repair.
First, the scope:
Cement mortar (wall) ground, concrete (wall) ground, concrete roof, concrete structures surface roughness, hemp litter, potholes fill level.
Second, the construction process:
1, the base surface requirements and pretreatment:
① keeping the floor dry, clean surface sand and dust; if the surface casing cement, paints, coatings and other fixtures should be completely removed. If qualified, available water to clean the ground until the surface is completely dry before brushing interface agent.
② brushing interface agent: liquid interface agent plus one times of water, stir, roll evenly brushing 1-2 times (after drying the surface gloss can be certain).
③ generally require 1-6 hours, when the interface agent is completely dry before repair mortar Scraping.
2, ingredients: concrete surface repair mortar dry material, based on dry material: water = 1: 0.30-0.35 (weight ratio) Stir, without caking. The prepared mortar must be used within 1 hour, winter recipes must be used within 30 minutes.
3, Scraping:
Spatula (batch tool) or special trowel uniform coating, the coating thickness is not more than a single 5mm. Bottom mortar solidified before subsequent construction, mortar coating total thickness of not more than 15mm. Technical indicators refer to the concrete surface repair mortar test report.
These are the "broken concrete, sand what repair method," the brief introduction, more "concrete damage, sand what repair method" information, please consult the concrete surface repair mortar factory. Mud floor construction failure, manifested in concrete Ping poor quality cement surface off the sand, sand from dust, concrete floor flatness difference nest from hemp have potholes, cracks and other irregular ground. Substandard raw materials (such as cement, sand and gravel failure), the failure of construction technology and conservation measures, is poor construction concrete floor, a common cause of substandard quality.
Once the construction of substandard cement floor, you can refer to the following approach.
1, no standard method for repairing cracks: Repair cracks in cement concrete floor main polymer polyurethane, polysulfide epoxy resin, epoxy resin and other chemical materials. Use the following method of repair according to the season, the extent of the crack, construction technology and other factors: Direct poured into the method, a nozzle spraying method, a strip overlay method.
2, to improve methods of surface flatness: terrazzo machine can be polished base surface pit, ground hemp litter, potholes can smooth concrete surface repair mortar repair.
3, ground from the sand from gray issue:

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