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The substation is an industrial building. In the construction of concrete roads, equipment foundations, bulk water slopes, and protective caps, the upper surface corners of the traditional concrete components are right-angled. This right-angled shape is not only rigid in line, but also lacks aesthetics, and is also a concrete component. After molding, it is easy to cause chipping and crushing on the corners of the upper surface of the component due to the subsequent process construction, which makes the protection of the finished product very difficult. In order to overcome the defects in the quality of corners of such concrete components and improve the quality perception to facilitate the protection of finished products, most of the projects in the current engineering design include rounding process, rounding process, substation roads, equipment foundations, bulk water slopes, and protective caps. ·It can well eliminate edge stress concentration, improve the overall strength of the concrete at the corners, not easy to damage, and help to strengthen the protection of finished products; at the same time, the rounded corners of the concrete components are full-round and have a good look and feel. The rounding process used in the current project construction mainly includes the following two first processes: steel formwork + wood formwork + plastic (wood) line method. Such process pre-installs plastic or wooden chamfered lines on the wooden formwork, and wood The steel mold is attached outside the mold to increase the overall rigidity of the mold and improve the straightness of the road edge. The concrete is poured and cured, and after the concrete reaches the design strength, the mold is removed and rounded.
The second process is steel formwork + steel line method. This type of process welds round steel lines on the fixed steel mold. After the steel mold is set up, the concrete is poured and cured. After the concrete reaches the design strength, the mold is removed to form a fillet.
Construction process: 1, clean the work surface, remove the protrusions, make up the depression; 2, for concrete or brick walls should be used: 1? 3 cement mortar base (or according to design requirements), thickness 5-7mm flat straight. The cover ash uses a cement mortar of 1?0.3?2.5 (or according to design requirements) to maintain proper thickness. On both sides of the angle of the anode, a position of about 1mm thickness was calculated from the coating layer, and excess mortar was removed and removed. Or use a marble machine and a knife to cut the angle of the inner corner of the inner wall by about 1cm at an angle of 90 degrees directly after construction. Use mortar or gypsum mortar for leveling; 3. Plasterboard walls for house walls According to the rounding angle, the sunshine section of the inner wall should be cut with a marble cutter, a hand hacksaw, and a production knife at an angle of 90 degrees in the construction. The mortar is used to level the mortar or gypsum slurry; 4 , According to the actual needs of the length of rounding corner protection. For the 90-degree angle of the internal wall of the house, the round corner blank cutting is cut into 45 degrees and the plane is 90 degrees. For the three-sided 90-degree inner wall corner joints, the round corners are cut into equidistant turns and docked into three 90-degree angles. For the inner wall sun horn modeling, according to the size of the construction model arc, calculate the length of blanking angle of the round protection corner. According to the numerical value of the curvature of the shape, the round protection angle is equidistantly cut from the convexity of the circular arc to the next subsection. The dividing strips are continuous and can be bent by the required construction shape arc. (See the construction process effect chart) 5. The next good material and ready to install the round corner arc inside the irrigation: 2/3 by gypsum powder and white Latex and mortar are dry to non-flowing or can be kneaded by hand for the best time efficiency. Then the white wings are covered with white latex on both sides of the paper wing, and they are laid flat on a well-prepared round corner construction site and directly adhered and compacted. Fixation (see construction process renderings); 6. For the round corners, the adhesion standards shall be adhered and fixed. Use a ruler or the naked eye to see that the arcs partially protrude from both sides of the wall. 7. Use a high-strength gypsum to stir the rounds. The radian is leveled against the unevenness of the wall surface, and is smoothed with a water-resistant putty. Finally, the desired paint is applied or sprayed. Use tools: marble cutting machine or profile miter saw, hand hacksaw, knife, brush and other matters needing attention: 1, during the storage keep dry. 2. This product is constructed above 0°C. 3, during storage or use to avoid contact with strong acids and alkalis, should pay attention to waterproof, moisture, fire, prevent prolonged exposure. 4. It is mainly used for the decoration of interior corner lines of houses, moldings, safety protection, and the use of places where the outer wall eaves can't reach under the rain. 5. Due to improper material storage or construction loss due to improper storage, construction operations, and unsatisfactory working conditions, we do not assume responsibility for this aspect of the product.