scholarly journals Construction Quality Control Study of Double-Layer Continuous Paving for Large-Thickness Cement-Stabilized Base

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
LongTing Ding ◽  
Xuancang Wang ◽  
Mengyuan Zhang ◽  
Jiaqi Meng ◽  
Tao Hu

In order to verify the interlayer bonding effect of double-layer continuous paving technology of the thick cement-stabilized base and solve the construction quality control problem of the double-layer continuous paving, based on the interlayer bonding mechanism and the evenness passing mechanism, the laboratory interlayer adhesion test, field test of evenness disturbance, and compaction test were conducted to verify the continuous paving interlayer bonding state. The effect of interval time on interlayer bonding state, evenness, and compactness was analyzed, and construction quality control measures were proposed. The test results show that the double-layer continuous paving process could significantly improve the interlayer bonding state, but there is still a gap from the ideal state (completely continuous). The pull-off strength of continuous paving specimens was 2.1 times that of the discontinuous paving specimens; the shear strength was 2.4 times that of discontinuous paving specimens. At different paving intervals, the longitudinal evenness of the upper and lower layers has little difference. The 140 kN axle load controls the transverse evenness disturbance within 3 mm, which met the requirements of the specification. Based on the evenness passing mechanism, the evenness control standard of double-layer continuous paving base was proposed. The compaction process of double-layer continuous paving base was proposed, and the feasibility was verified through the field test of compaction. The best interval time for double-layer continuous paving was also proposed; it is recommended that the best time for paving the upper layer is after the lower layer is laid for 6 hours (the final setting time of the cement). The construction quality control measures proposed in this study provide a theoretical basis for the construction of double-layer continuous paving technology with thick cement-stabilized base.

Author(s):  
Jin Ma

Abstract: the construction method of continuous paving of the upper and lower base of the water stable macadam base can improve the construction efficiency, overcome the quality problems of the traditional layered paving of the upper and lower base, such as untimely curing, slow construction, poor interlayer bonding, contraction joint and interlayer, so as to ensure the construction quality of the water stable macadam. It is also the promotion and application of new technology.


2014 ◽  
Vol 3 (1) ◽  
pp. 1
Author(s):  
Haiming Ma

<p>At present, China's construction industry is being launched along with the rapid development of urbanization, the building in functionality are becoming more complex, a growing number of high-rise buildings. Tall template in today’s construction work has been widely recognized and applied. High quality construction template has a very large impact on the overall quality and safety of the project, so the quality of the construction of up to template control. In this paper, building construction quality control measures were analyzed to provide a reference for the industry.</p>


2015 ◽  
Vol 4 (4) ◽  
pp. 40 ◽  
Author(s):  
Weifeng Zhong

<p>Construction quality directly affect the structure safety of high-rise building. Especially the construction quality of the conversion layer in ultra high-rise buildings plays an important role for the overall quality of ultra high-rise buildings. This article mainly discusses and analyzes the key points, difficulties and quality control in construction of conversion layer, in order to better control the quality of conversion layers in ultra high-rise buildings and build better buildings.</p>


2014 ◽  
Vol 3 ◽  
pp. 1
Author(s):  
Haiming Ma

<p>At present, China's construction industry is being launched along with the rapid development of urbanization, the building in functionality are becoming more complex, a growing number of high-rise buildings. Tall template in today’s construction work has been widely recognized and applied. High quality construction template has a very large impact on the overall quality and safety of the project, so the quality of the construction of up to template control. In this paper, building construction quality control measures were analyzed to provide a reference for the industry.</p>


2013 ◽  
Vol 357-360 ◽  
pp. 1515-1519
Author(s):  
Peng Bo ◽  
Jun Jun Li ◽  
Cheng Qing Liu ◽  
Hong Ru Cai

With the development of the construction work, the quality of construction works is concerned by more and more people. People are increasingly aware of the quality of the project, which is the core of the building works, related to the safety of life and property related to the construction business survival and development. This requires strict control of the quality of building construction, especially for the quality control of key parts of the construction work even more critical. To do this, select the control point of the key parts of the construction works, construction quality control methods and measures for key positions, from the quality control point in addition to meet the quality control requirements in accordance with the general site construction when elaborated higher requirements need its special control measures.


2014 ◽  
Vol 3 ◽  
pp. 4
Author(s):  
Xuebo Fu

<p>This paper discusses in electrical engineering by building quality and safety, and the corresponding preventive measures. Author according to their own management experience to analyze the problem and tells the construction of electrical engineering safety management measures.</p>


2014 ◽  
Vol 580-583 ◽  
pp. 2120-2123
Author(s):  
Xin Quan Wang ◽  
Hong Li ◽  
Shang Yu Han

The phenomenon of the actual situation leave the design index is very common during the civil project construction especially in the coastal levee construction. As the way to reduce the probability of diseases occurrence, from the aspect of quality accident analysis, construction quality monitoring moisture, quality inspection and accident early warning system, the paper studied the levee construction quality control monitoring system deeply and advanced some useful conclusion.


Sign in / Sign up

Export Citation Format

Share Document