Yichang static expanders, Yichang silent broken agent: Piles of rock crushing demolition material carbatex silent static agent client instance: a building construction area 66000m2, frame - shear structure, 3 basements, 15 floors. Structure construction process due to planning requirements need to be broken, anchorage or remove them from 5 to 15 part-situ concrete floor and roof beams. Because concrete is C40, reinforced floor is Φ12 @ 150 double two-way, Liang smaller cross-section, steel-intensive, high concrete strength, and are high-altitude operations, it is broken construction dangerous, technically demanding. 1, program selection (1) Construction requirements 1) removal of reservations should be broken as far as possible to protect steel, anchorage to reduce the amount of work, for which only the use of pneumatic drills, diamond can not be used. 2) To ensure that no disturbance is not opened structure, without affecting its strength. 3) Minimizing the site other machinery and equipment (such as cranes, outdoor elevator) with time jobs. 4) construction process from 5 to 15 layers from bottom to top, but 10, 11 layers from top to bottom construction. 5) prohibit falling objects and broken chunks of concrete to prevent falling, in order to avoid disturbing the underlying structure. (2) the program selected in accordance with the construction requirements and site conditions, the comparison using the first pre-split static baopo broken program, namely the use of the pre-split baopo principle, required to keep the structure from the outside 5cm first 1-2 rows of intensive drilling pores, as Static Breaking provide free face broken, the follow-up work to reduce the disturbance to the retention structure, and then need to remove part of the drilling, filling carbatex static crushing agent. After the concrete cracking, crushing with picks concentrate removal and retains its reinforcement. The program has a duration of suitable low cost, retains its bars, take a short time and the crane on the advantages of small structural perturbations, but the higher technical requirements for construction, need to pay close attention to safety during the construction. (4) Note carbatex static crushing agents drilling ① carbatex silent broken agent according to the manufacturer's recommended mixing ratio manual control broken and water in a weight ratio of 1: 2.85. ② after the slurry to be modulated uniform slurry modulation, before perfusion in the first place a small funnel opening, the slurry poured through a funnel to fill up the hole. ③ infusion process using a small stick in the hole tamping dense slurry. With the expansion force until after 24h Jiaze silent broken agent will open concrete walls bulge. ④ Jiaze HSCA corrosive slurry broken agent, should pay attention to safety, to wear protective glasses and gloves during construction, after filling the hole do not look directly at the close opening, just in case discharge damage the eyes, skin glue if Jiaze HSCA broken agent paste, rinse immediately with water to avoid skin burns. Jiaze static crushing agents crushed construction no vibration, no shock, no flying rocks, both to ensure the safety and construction period, but also to ensure the integrity and strength of the structure is not removed, can achieve better results. Jiaze silent baopo expansive product (steps: drilling → stirring → grout → cracking) for pore size, pore depth, pitch have certain requirements, different seasons and different rock slightly different, please do not ignore, right methods of operation, in order to ensure better product performance is reached.