Name: Score:

First, multiple-choice questions (2 points for each question, a total of 30 points)

1. When dismantling () formwork, in order to avoid sudden collapse of the whole formwork, temporary supports should be set when necessary, and then dismantled.

A. column B. wall C. load-bearing D. beam

2. When the supporting column is a group column frame, the height-width ratio should not be greater than ().

A.5 B.6 C.4 D.3

3. When lifting large or integral molds, the vertical lifting shall not be less than ().

A. 1 point B.2, C.4 and D.6.

4. The minimum height of scaffolding for formwork installation must be ().

a . 2.0m b . 1.8m c . 1.5m d . 2.5m

5. When using overweight machinery to lift formwork and other materials, the lifted formwork components and materials should be firmly bound, and the ups and downs should follow the instructions. It is forbidden to stay under the hanging heavy objects ().

A. 1mb.2mc. D.3m within the radius of gyration.

6. After the template project is installed, it should be accepted by () according to the construction scheme.

A. Site technical supervisor B. Project supervisor C. Safety supervision D. Installation supervisor

7. When installing formwork for foundation and underground engineering, the stability of soil slope of foundation pit must be checked, and formwork and materials shall not be piled up within () m of the top edge of foundation pit.

A.0.5 B. 1 C.2 D. 1.5

8. When hoisting large formwork, a hook with a snap ring must be used. When the wind force exceeds (), the hoisting operation should be stopped.

A.4, B.5, C.7 and D.6

9. When the working height of formwork works exceeds 2m, it shall be operated and protected according to the requirements of Technical Specification for Safety in Working at Heights, and safety nets and protective railings shall be set around 4m or () floors.

A. 1 B.2 C.3 D.4

10. In order to ensure the overall stability of the column, when the column height exceeds 2m, two horizontal supports should be set, and the horizontal supports of each template must be set vertically and horizontally. The four sides and the middle of the support column are provided with a longitudinal support every four spans. Column every increase () m, in addition to increase a horizontal brace, should also be every.

Set the horizontal support in two steps.

a . 1 ~ 1.5 b . 1.5 ~ 2 c . 2 ~ 2.5d . 2.5 ~ 3

1 1. When the design has no specific requirements, the springing height can be full span ().

a . 1/ 1000 ~ 3/ 1000 b . 1/900 ~ 3/900 c . 1/ 1000 ~ 2/ 1000d . 1/700 ~ 1/ 1000

12. The template and its support must be set () during installation.

A. Measures to ensure project quality B. Measures to improve construction speed

C. Plan to ensure material saving D. Temporary fixing facilities to effectively prevent overturning

13. slenderness ratio of compression members of formwork structure: support columns and trusses shall not be greater than ().

150 c . 160d . 170

14. When the formwork support adopts telescopic truss, its lap length shall not exceed ().

200mm b.300mm c.400mm d.500mm.

15. The overall formwork should be at least horizontally lifted ().

A. 1 point B.2, C.4 and D.6.

Second, multiple-choice questions (4 points for each question, 40 points in total)

1. The following () situations are potential safety hazards in formwork construction.

A. mechanical excavation, the operating position of the excavator is not firm. B the length of columns is inconsistent, or short columns are used to increase the length. C vertical and horizontal supports are not set according to the specification requirements. D. the concrete pouring transportation road is unstable and unstable.

2. After the steel formwork and other parts are dismantled, it is forbidden to pile up in ().

A. roadside B. entrance C. scaffold edge D. floor edge opening

3. The stacking of large formwork shall meet the requirements of ().

A. The site stacking area should be within the effective working range of the crane, and the stacking area must be solid and flat.

B. When stacking large formwork with supporting frame, the requirements of self-stabilizing angle must be met. If it can't meet the requirements, measures should be taken to ensure the stability of template placement.

C when the large formwork without supporting frame is stacked, it can be placed on other objects.

D. When large formwork is stacked on the ground, two formworks shall be placed face to face, and the spacing between formworks shall not be less than 600 mm.

4. When hoisting bulk formwork, it should be ().

A. rotate on the material conveying platform. Put them in order.

C. hoisting D. hoisting can be carried out only after binding and fixing.

5. Independent beam or integral floor beam structure template installation ().

A. The bottom formwork and transverse stare blankly should be Rachel. B. The transverse stare blankly should be firmly connected with the support column.

C. Add more support points D. Add diagonal braces

6. Template installation, electric shock protection measures should be taken including ().

A. A special person shall connect the large formwork in series and connect it with the lightning protection network.

B during construction at night, the spring voltage of lighting power supply shall not exceed 36V.

C all kinds of power cables should be insulated wires, which can be directly fixed on the steel formwork.

D formwork construction shall be carried out under overhead transmission lines. In case of power failure, isolation and protection measures shall be taken.

7. The correct way to install the template is ().

A. When the wind force is level 7, only 1 ~ 2 formwork and members are allowed to be hoisted.

B. When erecting column formwork and beam formwork with a height exceeding 3m, a working platform shall be erected.

C. Support the column on frozen soil or wetland in winter.

D. The pillars of the upper and lower floor formwork should be on the same vertical line.

8. The correct method of template removal is ().

A. In general, a long crowbar should be used to remove the formwork. It is forbidden for operators to stand on the template being demolished or dismantle the template on the same vertical plane.

B the dismantled formwork, columns and supports shall be transported away in time or properly stacked. After the formwork is removed, the temporary stacking place shall be not less than 1m from the floor edge, and the stacking height shall not exceed1m.

C. during disassembly, the parts should be loose.

D. When dismantling formwork with a height of more than 3m, scaffolding or operation platform shall be erected and protective railings shall be set up.

9. When using a wedge to adjust the height of the bracket ().

A. Shoppers should be in close contact.

C. Fix it firmly with nails.

10. The guarantee items for safety inspection of formwork engineering include ().

A. support system B. formwork acceptance C. formwork storage D. formwork removal

III. True or false questions (3 points for each question, 30 points in total)

1. When suspending the formwork installation, hoisting the first prefabricated member and hoisting a single large and medium-sized prefabricated member, you must stand on the operating platform for operation. ( )

2. When installing templates such as ring beams, balconies, awnings, overhangs, etc., the support of the templates shall be self-contained and shall not be completed.

On the construction scaffolding. ( )

3. When pouring concrete for frames, lintels, awnings and small platforms more than 2m from the ground, an operation platform shall be set up, and it is not allowed to operate directly on the formwork or support. ( )

4. When dismantling the long-span beam support column, it is generally carried out symmetrically from both ends of the span to the middle. ( )

5. The formwork construction scheme shall include the design, manufacture, installation and removal, construction procedures, working conditions, transportation and storage requirements of formwork and support. ( )

6. When the formwork with a height of more than 3m is dismantled, a scaffold workbench shall be erected. For formwork with a height less than 3m, it can be operated by using a movable horse stool or standing on a pull rod or a support rod. ( )

7. The dismantling sequence of the template is the same as the installation sequence, that is, the template installed first is dismantled, and then the template installed after dismantling. ( )

8. The concrete conveying channel shall not run directly on the formwork, so as not to damage the formwork ().

9. As long as the formwork worker is not drunk after drinking, the formwork can be erected. ( )

10. Open-air operations at high altitude should be stopped in strong winds with a wind level of six or above (including level six) and severe weather such as high temperature, heavy rain, heavy snow and fog. After the wind, rain and snow, it should be checked. If it is found that it is inclined to sink, loose or broken, it should be repaired in time, and it can only be used after it is qualified. ( )