Henan malpractice Construction Engineering Co., Ltd. is a specialized detection testing company, is one of the first place since the Henan Province qualification examination detected by enterprises. Qualified business scope includes pile qualification, qualification grade steel, an indoor environmental qualification, building energy detection, the main testing, materials testing, glass curtain wall detection, detection of roads and bridges, and a number of civil air defense projects detection testing qualification and testing laboratories. Anteroposterior detection refers to the DUT in the actual stress state. For beams, plates and roof trusses and other components simply supported static set, when anteroposterior testing, compression zone of structural members in the Choy quality monitoring stations detected, the lower the tension zone, it withstand the weight of the structure and role of external load the same vertical plane, in line with the actual stress state. Therefore, in the structure of detection should be given priority anteroposterior testing. For the pillars of the long column test machine can also be used to detect anteroposterior testing. Henan malpractice Construction Engineering Co., Ltd. is a specialized detection testing company, is one of the first place since the Henan Province qualification examination detected by enterprises. Qualified business scope includes pile qualification, qualification grade steel, an indoor environmental qualification, building energy detection, the main testing, materials testing, glass curtain wall detection, detection of roads and bridges, and a number of civil air defense projects detection testing qualification and testing laboratories. Only the correct choice of loading and loading equipment used to detect, in order to successfully complete the inspection work and to ensure quality testing. In the choice of loading methods and loading equipment shall meet the following basic requirements: (1) internal force selected should load the schema design load calculation schema generated consistent or very close. (2) transfer the load point and clear manner, the load values ??generated either with loading time, the deformation of the external environment and structural change (to ensure relative error load value does not exceed ± 5%). Dividing the value (3) load rating to meet the testing requirements of the measurement accuracy suiping quality monitoring stations detected, the device must be of sufficient strength to load reserves (typically 25% of the left margin). (4) to load the device itself to be safe, not only to meet the strength requirements, but also to control the deformation conditions must design quality monitoring stations to detect the loading device, that is also to meet the stiffness requirements, to prevent the generation of structure or component uninstall action to reduce the actual bear loads. Loading device should not participate in the work of the structure or component quality testing monitoring stations BIYANG avoid changing the stress state. Convenient (5) load equipment to operate, easy to load and unload, both to control the acceleration, but also to adapt synchronous loading or load has different requirements. (6) To strive loading method using modern advanced technology, reduce labor intensity and improve the detection quality. Queshan Quality Inspection Supervision Station, Henan malpractice detection (certified), quality monitoring stations to detect malpractice by Henan Construction Engineering Inspection Limited. Henan malpractice Construction Engineering Inspection Limited (www.hnrsjc.cn) is a leader in Zhengzhou, construction, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. The increasing prevalence of detection leadership with the staff warmly welcome all inquiries negotiations to create a better future for the increasing prevalence of detection.