Questions and answers about precast architecture (II)
One end of the fixed support, one end of the sliding support, B.
Put forward higher requirements for construction practitioners.
the main structure construction adopts the crowd tactics of over relying on front-line migrant workers.
keyways or rough surfaces need to be set at the end of precast composite beams.
B.
The advantages of BIM information technology management are _____.
The production process cannot meet the requirements D.
A.
A.
when the slab span is greater than 6m, truss reinforced concrete laminated slab should be used.
Different reinforcement sizes should correspond to different specifications of grouting sleeves, and it is strictly forbidden to mix them.
superimposed connection D.
Buildings with seismic grade of grade II can use combined closed stirrups.
welded connection C.
one end of the fixed support, one end of the sliding hinge joint, C.
A.
C.
C.
low labor cost C.
A.
solve the problems of disharmony among industries and disciplines.
The balcony slab is a cantilever slab member, which has two types: superimposed and fully precast.
B.
A.
As for the laminated floor slab, the following statement is correct.
D.
D.
D.
For the fully precast beam balcony, the negative reinforcement in the precast beams at both ends should extend into the cast-in-place structure by no less than 1.1lab.
Reflect the requirements of convenient maintenance, replacement and transformation as far as possible.
welding connection D How many correct answers did you get for bolted connection? Welcome to leave a message in the comment area and meet more new assembly knowledge.
B.
notches can be set on the composite surface of precast composite rectangular cross-section beams to enhance the integrity of frame beams.
the laminated slab can be divided into one-way slab or two-way slab according to the precast slab joint structure, support structure, length width ratio, etc.
The precast stair installation structure is correct.
C.
realize the life cycle management of construction projects.
fully consider the requirements of processing, manufacturing and installation of components and fittings.
The main connection methods of assembled integral concrete structures are ______.
11.
C.
the full grouting sleeve has higher requirements for the positioning of reinforcement.
A.
It is not conducive to on-site quality control.
bolted connection 12.
Fully assembled concrete structure connection methods include _u____.
B.
the non grouting section of the semi grouting sleeve can adopt the reinforcement thread connection method.
combined closed stirrups are easy to operate, but the overall seismic performance is poor.
mortar anchor lap connection C.
D.
The construction site produces a large amount of construction waste and material waste.
the connection between the precast balcony and the main structure bears negative bending moment, so the lower surface reinforcement requirements are a little higher D For precast composite balcony, at the support of composite slab, the longitudinal stress reinforcement in the precast slab should extend from the slab end and be anchored into the post cast concrete of the supporting beam or wall.
the concave convex depth of the rough surface of the precast beam end, precast column end and precast wall end should not be less than 6mm.
The following statement about the laminated beam is correct.
meet the requirements of building functions, and the performance is not lower than that of cast-in-place structure.
A.
the transportation road is narrow 3.
the area of the rough surface should not be less than 70% of the joint surface.
10.
C.
the concave convex depth of the rough surface of the precast slab should not be less than 6mm.
Lack of funds B.
professional collaboration, building exterior decoration and interior decoration only need to complete one item.
2.
B.
B.
C.
D.
A.
the on-site construction hoisting workload is large.
C.
the laminated slab can be divided into one-way slab or two-way slab according to the precast slab joint structure, support structure, length width ratio, etc.
one end of the fixed hinge joint, one end of the sliding hinge joint, simple support, 7.
4.
If the separated slab joint design is adopted at the slab side, the slab must be a one-way slab.
C.
Post cast concrete connection B.
The joint between the concrete surface of the precast stair protruding from the reinforcement and the cast-in-place concrete should be made into a rough surface.
9.
Articles and pictures are only for learning, such as copyright issues or disagreements.
Post cast concrete connection B.
8.
In order to actively promote the development of precast buildings, improve the awareness of the whole people, and publicize the basic knowledge of precast buildings, the assembly craftsman will continue to launch precast concrete building knowledge Q & A in the near future, hoping to improve social awareness, create a good atmosphere, and promote the high-quality and healthy development of precast buildings in Jiangxi Province.
A.
The right statement about the precast balcony is ______.
A series of problems existing in traditional construction include ______.
A.
promote the information sharing resources between the main bodies of various disciplines at all stages of engineering construction.
The anchorage length should not be less than 12D, and it should cross the center line of the support.
the semi grouting sleeve of the same specification is shorter than the full grouting sleeve, saving materials and reducing the length of the connection area.
The following statements about full grouting sleeve and semi grouting sleeve are correct.
D.
both ends of the fixed support, D.
What kinds of connections between precast stairs and supporting members _uu___.
Why will the development of precast concrete buildings in China stagnate after the 1980s? _____.
D.
A.
5.
B.
The following requirements should be fully considered in the architectural design process _____.
A.
6.
Multiple choice 1.