Building construction Chapter 5 roof construction self test questions and answers in this chapter


It is forbidden to set warehouse joints between the rigid waterproof layer around the parapet and the parapet.

The correct answer is “yes”   28.

The correct answer is “wrong”   A separation joint shall be reserved between the pipe extending out of the roof and the rigid waterproof layer.

The correct answer is: unorganized drainage   The roof with waterproof coiled material and adhesive combined to form a continuous and dense structural layer to achieve the purpose of waterproof is called ().

The correct answer is to prevent the indoor overheating or supercooling on the top of the building in summer or winter   The correct answer is: the form of the roof has little effect on the characteristics of the building   The waterproof treatment at the intersection of roof and vertical wall is called ().

The correct answer is “wrong”   In order to improve the crack resistance and impermeability of the waterproof layer of the rigid waterproof roof, an appropriate amount of admixtures, such as expansion agent, water reducing agent, waterproof agent, etc., can be added to the fine aggregate concrete.

The correct answer is that a large amount of vaporization heat is required when using water evaporation, so as to consume a large amount of solar radiant heat exposed to the roof   The flat roof can be used as a fixed activity place, such as terrace, roof garden, roof fish pond, etc.

The correct answer is: interview question of flexible waterproof roof   The two main parts of the structure of the sloping roof are ().

It is best to leave enough height difference between the indoor floor of the stairwell and the roof in the design to facilitate waterproof.

The following belong to the group of external drainage methods is ().

The correct answer is: roof tile   The ceiling is the covering part under the roof, and its main function is ().

The score was 33.00/33.00 and the score was 100 / 10.00 (100%)   The top floor of the building is covered by ().

The correct answer is “yes”   All elastic or elastic-plastic coiled materials made of various synthetic rubber or synthetic resin or their mixture as the main raw materials and added with an appropriate amount of chemical additives and fillers are called polymer waterproof coiled materials.

The correct answer is: load-bearing structure and roof   The load-bearing structure of sloping roof does not include ().

The correct answer is: roof   Sloping roof usually refers to ().

The correct answer is: thermal insulation and decoration   The purpose of setting up air inlet and exhaust port in sloping roof in hot area is ().

The correct answer is “yes”   The partition joint between the pipe extending out of the roof and the rigid waterproof layer shall also be prohibited.

Lifting Eye

Generally, the internal drainage scheme should be used as much as possible, because the organized drainage structure is complex and easy to cause leakage.

The correct answer is “yes”   There are two common methods for the water outlet of rigid waterproof roof, one is the water outlet for gutter or eaves gutter, and the other is the water outlet for drainage outside the parapet.

The former is straight pipe type, and the latter is elbow type.

The correct answer is “wrong”   After making leveling layer and isolation layer on cornice slab and roof slab, pour concrete waterproof layer, and pay attention to drip at cornice.

The correct answer is “yes”   The rigid waterproof roof is suitable for buildings with high temperature, vibration and large uneven settlement of the foundation.

the correct answer is “yes”   The coiled material waterproof layer is an open whole, so opening holes in the roof can not destroy the integrity of the coiled material roof.

The correct answer is: interview question of flexible waterproof house   The auxiliary layer of coiled material waterproof roof is the structural layer set according to the use needs of the roof or to improve the roof performance, including thermal insulation layer, steam insulation layer, slope making layer, etc., in which the purpose of setting thermal insulation layer is ().

It took 1 minute and 1 second at friday19:42 on October 22, 2021.

It started at friday19:41 on October 22, 2021.

The correct answer is “wrong”   The roof is mainly composed of roof layer, load-bearing structure, thermal insulation layer and ceiling.

The correct answer is “yes”   Inverted insulation is a closed insulation layer formed by setting the insulation layer above the structural layer and below the waterproof layer..

The correct answer is: the slope of the roof with steep slope is generally greater than 10%   3 the organized drainage scheme in the text of the test question can be divided into two basic forms: external drainage and internal drainage.

The correct answer is “yes”   The stairwell out of the roof generally needs to be provided with a roof entrance and exit.

The correct answer is “yes”   The coiled material waterproof layer of coiled material waterproof roof has certain extensibility and ability to adapt to deformation, so it is called flexible waterproof roof.

The correct answer is “yes”   The roof is not only the enclosure structure of the house, but also the load-bearing structure of the house, which is used to bear all the loads acting on the   Structural slope finding is applicable to flat roofs with small span, and material slope finding is generally applicable to buildings with large roof depth.

The correct answer is: unorganized drainage   Compared with the text of the test question, the drainage method most unsuitable for street buildings and high buildings is ().

The correct answer is: external drainage of parapet, external drainage of eaves ditch and external drainage of eaves ditch of parapet   The correct answer is: supporting slope   A drainage method in which roof rainwater falls directly from the cornice from the outdoor ground is called ().

The correct answer is “wrong”   The organized drainage scheme in the text of the test question can be divided into two basic forms: external drainage and internal drainage.

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The correct answer is: flashing   The opening in the cornice or gutter, which is used to drain the roof rainwater to the downpipe, is called ()   The following waterproof roof has the widest application range ().

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