2024 European Cup Live Football Scores ResultsBasic procedures for building structure identification
2024 European Cup Live Football Scores ResultsBasic preparation of building structure identification
1. Accept commission
Appraisal items can be divided into the following categories:
1. Projects with disputes (including people complained by people);
2． Construction procedures (including archives) incomplete items;
3. The project re -started by the half -time project;
4. Pre -transformation of projects, renovation, additional layers, and expansion projects;
5. Projects that occur in disaster or safety accidents;
6. Projects that need to be evaluated by reliability;
7. Projects that use environmental changes or are eroded by the environment.
For the above 1、2、3、4 category identification items，Our company has the obligation to inform the commissioner at the quality supervision station where the project is located to conduct the necessary coordination of the required project and related personnel、Perform the corresponding filing procedures，To obtain the consent of the station。Our company gets the filing form to accept the commission。
All commissioned appraisal items，All need to go to the general manager for filing (the record record is made by the general manager)，It is determined by the general manager to determine that the appraisal project is done and not done。If you accept this project，Then follow the following steps，If you do not accept it, you need to explain the reason to the client。
Fill in the written entrusted order by the commissioner to provide the following information:
a. Basic information of architectural structure。Including: building location、Usage、Starting date、Completion date; structural type、Layers、Floor high、Basic form; Construction、Design、Construction、Supervision unit。
b. The main design and construction information。Including construction drawings、Geological Examination Report、All completion (including the hidden information of construction，Foundation Loading Review Record，Pile foundation (foundation treatment) test report，Steel product qualification certificate、Exit inspection report、Re -examination report in the entrance，Inspection report of concrete compression blocks, etc.) Information、Design changes, etc. (both are original)。
C. Use of architecture、Maintenance、Reinforcement transformation。Including the disease 2024 European Cup Betting Appof the house (such as cracks、Transformation、Settlement)、Repair Record、Use conditions and environmental changes、Reinforcement、Add layer、Reconstruction and expansion, etc.。
D. Reasons and requirements for appraisal.
Normal identification projects can accept unilateral commission，Construction projects with quality disputes must be commissioned by all parties。
2. Preliminary survey
Director of the room allocates the task to the group according to the information provided by the client，and determine the person in charge of the project (Wang XX、Zhang XX)。Among them, there are controversial (including projects complained by people)、The project restarted by the half -time project、The appraisal project issued by the Municipal Quality Supervision Station must be the person in charge of the project by the director of the office，Lead a group of personnel to carry out specific work。The director of the room is temporarily something，It is replaced by deputy director or person with corresponding ability。
The person in charge of the project arranges the team members to do the following.
The preliminary investigation is for the purpose of clarifying the appraisal requirements of the commissioner and formulating targeted detection schemes，Specific as follows:
1. Data survey: carefully read the various information provided by the client。
2． Site investigation:
Focus on the following content:
Basic situation of the structure、Form、Connection、Load use and change;
The main problems provided by the client，Such as: deformation、Crack、Leakage, etc.; Damage of the disaster structure; reconstruction and expansion、The structural status of the reinforcement site。
Basic、Pillar Wall、The working status of the main load -bearing components such as the beam board，For example: whether there is a settlement in the foundation，column wall (including concrete wall、Brick Wall)、Is there any cracks on the beam board、Reinforcement rust, etc.。
The environment of the structure. There are no air, water pollution, etc.
All surveys should be recorded.
3. Formulate a testing plan
After the preliminary investigation is over，Organize members of this group with the project leader、Room Director、The person in charge of the technical (chief worker) discussed the internal coordination meeting on the situation of the early investigation，Introduction of the person in charge of the project (including existing problems)，At the same time, discuss specific test content。After the meeting，Written a detection plan by the person in charge of the project，At the same time, the director of the room communicates the existing situation with the supervision station。
The detection scheme should include the following content:
1 Project or structural overview，Including structural types、Design、Construction and supervision unit，The progress of the project in the construction or testing of the project, etc.;
2 Detective requirements of the test purpose or the client;
3 The basis for detection，Including the standards based on the detection and related technical information, etc.;
4 Detection range, detection items and selected detection methods;
5 Method of the detection、Division of the inspection batch、Sample scheme and detection quantity;
6 Testing staff and instrument and equipment;
7 Detection work progress plan;
8 The cooperation work required;
9 Safety and environmental protection measures in testing.
Note: The project responsible for the director of the room must have a detection plan
4. Determine the detection plan and sign the appraisal contract
After the preparation of the detection scheme is completed，The director of the room must be reviewed step by step、Confirm，Fill in the detection scheme to confirm the form，It will be implemented after confirming the report and the director。At the same time, the detection plan needs to be recognized by the client，and sign the appraisal contract with it。When necessary，Director of the room reports the detection plan to the supervision station，Listen to opinions。
The detection plan is determined，No one can modify it without authorization，If you have to change，It must be agreed by the director of the office and the technical person in charge。
5. Confirm the condition of the instrument and equipment
Detective instruments、The scope and detection accuracy of the equipment shall meet the requirements of the detection items。When performing detection，The instrument and equipment used should be within the verification or calibration cycle，should be in normal state。
6. On -site detection
On -site detection should be recorded in data and information: when artificial records，Use a dedicated table record，Requirement data is accurate，Clear handwriting，Information complete，Do not remember、Modification，If you have a pen, you need to change and sign to confirm it; when the instrument is automatically recorded，You need to confirm the data。
The sample obtained on the spot should be properly kept，At the same time, perform the corresponding laboratory detection of the sample at the same time，and do a good job of the original record。
During the on -site test，If you find a problem，Communication of the person in charge of technical、Communication of the person in charge of technical，To seek a solution。
7. Data analysis and results evaluation
For the measurement sampling detection project，Provide a positive range、Determine whether the upper limit value is greater than the design value or not;
When the rebound -the core method is used to determine the concrete compressive strength，The correction amount should be provided，Use a correction volume to correct the rebound results of concrete compressive strength in the measured area。
For counting sampling detection items，Determine whether it is qualified by one -time sampling。
The original data of the director of the room、Test results for review，Prepare the review form at the same time (archive)。
Repeated inspection, supplementary test
When the number of detection data is insufficient or the detection data is abnormal，Re -test or supplementary test should be performed，Repeated testing or supplementary detection should be necessary instructions。
8. Appraisal report
The test report should be accurate for conclusions、Words specification、Text simplified，The terms and concepts that are easy to confuse of the parties should be interpreted or legend in text、Image description。
The appraisal report shall contain the following content:
The name of the entrusted unit;
Construction Engineering Overview，Including engineering name，Design Unit、Names of construction units and supervision units，Opening date，scale，Structure type、Layers、Floor high，Structure layout (Seismic Wall、Pillar Network、Eraded span and pitch)，Types of building lid，Main component section size，Steel structure support setting situation，Foundation of the foundation，The design of the structure uses load，Status of Structure (now use function), etc.;
Appraisal purpose and content summary;
Testing items、Testing method、Standards for equipment and basis;
Testing method、Sample plan、sampling method、Detecting quantity and detection position;
The main classification detection data and summary results of the detection project、Test results;
Appraisal conclusion;
Detective date, the report is completed;
Signature of relevant personnel.
Testing items and sampling quantities：
Reinforced concrete frame structure、Framework -Seismic Wall Structure、Seismic wall structure、Some frames supporting the earthquake wall structure、Tube structure、Banzhu -Seismic Wall Structure:
1.1 Reinforced mechanical performance
When there is no doubt about the mechanical properties of steel bars，It is necessary to provide a hidden engineering record with the client、The product qualification certificate of the steel bar、Inspection report and re -inspection report of the factory。
Doubt about the mechanical properties of steel bars，or the client cannot provide the re -examination report of the reinforcement of the steel bar，The physical mechanical performance detection of steel bars must be performed。Sample detection from the existing structure，The number of reinforced sampling of the same specifications is not less than one set。If there is still a batch of reinforced steel，It is advisable to detect this steel bar。
1.2 Component concrete strength:
The following components are performed in concrete strength detection: frame column、frame beam、Concrete Seismic Wall、Premium Board、Independent 2024 European Cup Betting Appcolumn foundation、Base under the wall; the structure of the frame support wall should include the box pillar、Frame support and the corresponding location of the floor，Board Pillar -Seismic Wall structure should include flooring。
Using rebound method, rebounding-the core comprehensive method
Use metering sampling plan，Sample quantity according to the "Technical Standards for Building Structure Detection" (GB/T50344-2004) Article 3.3.13、Test category B (If the newly -built project is complete, it can be made in class A)，The quantity can be determined in a combination of the holding force layer according to the specific situation
1.3 The appearance quality and defect of concrete components:
Testing honeycomb、Ma Noodle、Cave、slag、Delus、Crisis and other defects，The combined face quality of pouring at different times;
Detecting concrete cracks，Record crack position、length、Width、Deep、quantity，Draw a crack distribution chart when necessary。
The number of detection is full detection.
Appearance defects with visual inspection、Foot measurement，According to the "Code for the Construction Quality Acceptance of Concrete Structure Projects" GB 50204-2002 (2010 Edition) and 8.2 and "Technical Standards for Building Structure Inspection" (GB/T50344-2004) Article 4.4 evaluation。
Internal defects of the concrete use ultrasound detection.
1.4 Size and deviation:
The section size of the component (beam、board、Pillar、Wall)，Using counting sampling scheme，The number of sampling in accordance with the "Code for the Construction Quality Acceptance of the Concrete Structure Engineering Project" GB50204-2002 (2010 edition) and the "Standard for Building Structure Detection Technology" 3.3.13、Test Category A OK
Test the elevation when needed (that is, layer height)、Axis size、Component verticality and surface flatness
1.5 deformation and damage
Determine according to the actual situation
Component deflection、Structural verticality、Basic uneven settlement、Structural injury (including environmental erosion injury、Disaster injury、Artificial injury、Damage caused by harmful elements in concrete、Damage to the prestressed anchor fixture)。
Use a standard, laser rangefinder or pull -line detection component to detect the component;
Use the latitude instrument、Laser positioner or hanging hammer method detection component verticality;
Unevented settlement with a standard meter detection;
Structural injury detection should determine the source of injury，Determine the damage area and depth。
1.6 Reinforcement configurationandrust
Testing of steel bars configuration:
1. The number of unilateral bands of the frame column
2． Seismic wall level, vertical reinforcement spacing
3. Shri -floor support band gap、Protective layer thickness (including cantilee board、Board with larger span)，The corresponding position should be measured for the thickness of the floor.
The number of sampling in accordance with the "Code for the Construction Quality Acceptance of Concrete Structure Engineering Projects" GB50204-2002 (2010 Edition) Appendix E "Structured Steel Prince Protection Layer Detective" and "Technical Standards for Building Structure Detection" 3.3.13、Test category B (new project Ruo
Construction procedures can be determined according to Class A)
Diameter for reinforcement、When the protective layer is controversial，Site open concrete detection
Reinforcement rust: Depending on the detection, it needs to be determined
1.7 Structural solid load test
If you need to determine the carrier capacity of the component、Stranger、When the cracking performance，solid load detection with component performance
1.8 basic holding layer
shallow foundation (newly built、Project that has not been used in use、Independent 2024 European Cup Betting Appcolumn foundation、Base under the wall): Determine the number of excavation detection according to the actual situation，It should not be less than three places; existing buildings may not be excavated，Determine the support layer according to the reaction of the upper structure;、The existing buildings of the connection layer，Shallow foundation should excavate the inspection holding layer。
Deep foundation (pile foundation)，Need to provide the corresponding test report，Including dynamic load (completeness of the pile body)、Static load、Rock Detective。
Pay special attention to buildings built near the slope.
2． Gate -style rigid factories and steel structure factories:
Holding layer, basic detection items, quantity of the same frame structure
2.1 Connection
Welding seam connection: one that requires full welding of design requirements、Second -level welds and steels that are not required in the design are strong -to -welded welds，Methods of ultrasonic detection can be used;
High -strength bolt connection: High -strength hexagonal head bolts connect to Britain to detect its material performance and torque coefficient，At the same time, check the outer exposure buckle (exposure should be 2 ~ 3 buckles);
The setting of the bolt is mainly checked at the scene，Whether to set it according to the design
2.2 size and deviation
Component size deviation detection and installation deviation detection.
2.3 defects, damage, deformation
Detection of appearance defects;
Detection of steel structure damage: cracks, local deformation, rust;
Steel structure deformation detection: bending deformation, bump deformation of the board.
Observation or ruler method
Use the observation or hammer method to detect the loose or fracture of bolts and rivets。
2.4 Construction
Calculating the length ratio and generous ratio of the steel structure;
A verification of the connection of the support system.
Rigid Fit、Roof frame、Column support、The level of the roof frame and vertical support、tie rod、檩 strip、The setting of the support for the appearance detection (mainly to detect whether it is set according to the design drawing)，At the same time, a certain number of components are selected to detect the section size of the section;
2.5 painting
Detection of coatings
Detection of coating thickness
The appearance quality of the coating
2.6 steel mesh
Node bearing capacity
Welding seam quality
Size and deviation
Not verticality of the component
The deflection of the mesh shelf
When there is doubt about the mechanical properties of steel，Sample detection from the existing structure，The number of steel sampling of the same specifications of the same specification is not less than one set。If there is still a batch of steel with the same level as the structure，It is advisable to detect this steel。
When there is no doubt about the mechanical performance of steel，The product qualification certificate of the steel product with the commissioner must be provided by the client、Inspection report and re -inspection report of the factory。
3. Masonry structure (mainly for brick -concrete structure):
3.1 Brick for masonry
strength、Dimension deviation and appearance quality (missing angle、Bend、crack)、Anti -freezing performance，Sample on -site，Laboratory detection。
3.2 Mortar for masonry
Compressor strength, adopt the penetration method.
3.3 Masonry quality and structure
Masonry method: test whether the upper and lower seams and the internal and external masonry meet the requirements;
Gray sewing quality (the thickness of the gray seam、Full degree and straight degree)、masonry deviation (masonry deviation、Putting line deviation、Remove and Dongkou)，Hanging wire、Footwear、Level、Jingwei instrument, etc.
Masonry Structure Construction: High -thickness ratio、beam pad、Wall pillars、The shelter length of the prefabricated component、Anchor measures at the end of the large component、Circle beam、Constructing column，Local size of masonry、tide ribs。Pick up the plastering and detect
Simultaneous detection structure column、The concrete strength and steel bars of the ring beam。
3.4 Deformation and injury
Crack
The verticality of the structure
Unenality of foundation
Structure damage
3.5 concrete load -bearing components in the masonry structure
Detecting concrete strength and reinforcement configuration
4. Reinforced concrete array structure:
holding layer、Basic、Episode column detection project、Quantity Same as the frame structure
Steel structure part of the test item with steel structure plant
Factory with cranes need to be a crane beam、The setting of the car gear to detect，At the same time, the concrete strength of the concrete crane beam is detected。
For prefabricated components (prefabricated concrete crane beams、concrete roof frame、Large roof panels, etc.) Factory，At the same time, the client must provide the corresponding appearance of the prefabricated component。
5. Bottom brick mixed structure:
The bottom frame part is performed according to the frame structure detection content
The brick mixture part is performed according to the detection content of the brick structure
6. Steel pipe concrete structure:
The same frame structure of the mechanical performance of steel bar
6.1 Steel pipe welding quality and component connection
Steel pipe welding seam appearance defect detection; steel pipe welding quality and performance detection。
Steel structure engineering construction quality acceptance specifications
6.2 The strength and defects of concrete in the steel pipe
Use an ultrasound or drilling method to detect the pressure resistance of concrete in the steel pipe;
Use an ultrasonic to detect the defects of concrete in the steel pipe.
6.3 size and deviation
Dimensions: Steel pipe (outer diameter、Wall thickness、length)、Set (length、Width、thickness and bars and column axis eccentric)、Enhanced ring、Bull legs and connecting abdomen size;
Special card measurement side for the outer diameter of the steel pipe，Wall thickness measurement with ultrasound thick meter，The rest is detected with tape measures
Dear Detection: The installation deviation of the steel pipe column (vertical bend、Oval degree、Tube endless integration、Tube limbs and components combination error)、Stitching assembly bias
