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Research on Application and Construction Quality Control of Crushed Rock with Skeleton Dense Structure

Author: WuPing
Tutor: MaZuo
School: Chang'an University
Course: Traffic and Transportation Engineering
Keywords: Cement stabilized macadam Dense skeleton type Crushed stone production Mix ratio design Construction machinery Construction process Construction quality control
CLC: U416.214
Type: Master's thesis
Year: 2009
Downloads: 115
Quote: 4
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Abstract


According to climate and project of the Inner Mongolia, the article debate applications of dense framework structure in G304, it analyse the performance of cement stabilizing aggregate mixture basic, in order to improve the performance of cement stabilizing aggregate mixture basic, it investigate raw and processed materials, aggregate gradation, equipment, techniques, and so on. We can improve the performance of cement stabilizing aggregate mixture basic from construction, techniques and raw and processed materials. It may be used as reference for other highway constructions.Choice material quality good raw material carries on the crushed stone production, the strict control aggregate’s production process, compared to chooses, the processing process control, the different working scheme contrast, aggregate product from the aggregate production equipment aspects and so on each kind of technical specification control to obtain, the contrastive analysis choice reasonable necessary aggregate processing stonebreaking plant and the technique of production, the strict control production process’s each kind of technical specification, guarantees the processing high quality aggregate; How meanwhile to enhance the processing the aggregate quality to propose the discussion method and the guide posts request, for controlled the good skeleton dense texture basic unit from the source the construction to build the foundation.Mixes up relations which the uniformity and the mixer full rate and the mixing time three between exist restricts mutually. In the mixer structure and rotor speed certain situation, increases to the material mixing time, guaranteed that the blend mixes up the quality, is advantageous in enhances the blend the uniformity, enhances the cement the measurement and the demarcation precision, obtains the good skeleton dense texture cement stabilization crushed-stone aggregate gradation according to the test result recommendation’s anti-segregation effect.The method which unifies using the theoretical calculation and the experiment designs the skeleton to inlay densely pushes the structure gradation. The tamping density or inspires the real density to calculate the aggregate content and the binding dosage.Selecting of construction machineries to has effects on realizing the skeleton dense gradation structure. Must take seriously in the construction, discovered promptly the preparation machine equipment causes in the construction variation and the construction process produces segregation. The scene adopts spreads paving the method which and the reasonable bulldozer combines, comprehensive quality control way.

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Gravel road,Crushed Stone Base
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