The construction controlling elements,including construction performance at low ambient temperatures,reserved time ranges,and the strength increasing rule,for locally developed epoxy asphalt mixture(LDEAM) are studi...The construction controlling elements,including construction performance at low ambient temperatures,reserved time ranges,and the strength increasing rule,for locally developed epoxy asphalt mixture(LDEAM) are studied through laboratory tests.Air void and Marshall stability are chosen as the performance measures for evaluating the construction quality.The wheel rolling test is used to simulate the actual construction situations,while the Marshall test and the Brookfield viscosity test are adopted to study the strength increasing rule.The experimental results reveal that the LDEAM can be constructed under a low ambient temperature condition of 10℃,and its longest reserved time is 70 min at a reserved temperature of 120℃.Test also shows that the strength of the LDEAM increases with time and temperature before cured.Finally,the theoretical reason for the strength increasing rule is analyzed on the basis of the organic chemistry theory.展开更多
The construction of characteristic villages in ethnic areas is an important link in the overall implementation of the rural revitalization strategy,and it is also an important measure to promote rural revitalization a...The construction of characteristic villages in ethnic areas is an important link in the overall implementation of the rural revitalization strategy,and it is also an important measure to promote rural revitalization and development.With the development of modern civilization,some villages with distinctive characteristics have gradually become homogeneous.How to promote these villages to give play to their characteristic advantages and promote their revitalization has become an important topic discussed by many scholars.This paper takes Nanzhu Village,a characteristic village with the trinity of “red genes,ethnic characteristics,and natural landscape” as a case.Starting from the perspective of the rural revitalization strategy,this paper proposes countermeasures for the construction and development of characteristic villages in the ethnic minority areas of Wuling Mountain.Revitalization provides a certain reference.展开更多
Lingnan gardens,as one of the three major schools of Chinese classical gardens,have distinct local characteristics and pursue the unity of practicality and artistry.They began to develop during the Qin and Han dynasti...Lingnan gardens,as one of the three major schools of Chinese classical gardens,have distinct local characteristics and pursue the unity of practicality and artistry.They began to develop during the Qin and Han dynasties,gradually formed their own unique characteristics during the Song and Yuan dynasties,became mature and were extricated from the influence of southern gardens and northern gardens during the Ming and Qing dynasties.In this paper,from the macro and micro levels,as well as natural,social and humanistic perspectives,the style formation of Lingnan gardens was studied.展开更多
In this paper,the author sums up some essential knowledge from the practiceabout rebuilding traditional buildings and gardens in which the author has been engagedrecently.The view points are that one should discard th...In this paper,the author sums up some essential knowledge from the practiceabout rebuilding traditional buildings and gardens in which the author has been engagedrecently.The view points are that one should discard the dross and select the essential,re-tain the symbolic form,grasp the overall style,embody local characteristics and space outthe distance of time and space between the new and old buildings.Finally,the author con-siders that the traditional form of buildings should not be used indiscriminately at allplaces in modern times.展开更多
基金The National Natural Science Foundation of China (No.50578038)the National Key Technology R& D Program of China during the 11th Five-Year Plan Period (No. 2009BAG15B03)
文摘The construction controlling elements,including construction performance at low ambient temperatures,reserved time ranges,and the strength increasing rule,for locally developed epoxy asphalt mixture(LDEAM) are studied through laboratory tests.Air void and Marshall stability are chosen as the performance measures for evaluating the construction quality.The wheel rolling test is used to simulate the actual construction situations,while the Marshall test and the Brookfield viscosity test are adopted to study the strength increasing rule.The experimental results reveal that the LDEAM can be constructed under a low ambient temperature condition of 10℃,and its longest reserved time is 70 min at a reserved temperature of 120℃.Test also shows that the strength of the LDEAM increases with time and temperature before cured.Finally,the theoretical reason for the strength increasing rule is analyzed on the basis of the organic chemistry theory.
文摘The construction of characteristic villages in ethnic areas is an important link in the overall implementation of the rural revitalization strategy,and it is also an important measure to promote rural revitalization and development.With the development of modern civilization,some villages with distinctive characteristics have gradually become homogeneous.How to promote these villages to give play to their characteristic advantages and promote their revitalization has become an important topic discussed by many scholars.This paper takes Nanzhu Village,a characteristic village with the trinity of “red genes,ethnic characteristics,and natural landscape” as a case.Starting from the perspective of the rural revitalization strategy,this paper proposes countermeasures for the construction and development of characteristic villages in the ethnic minority areas of Wuling Mountain.Revitalization provides a certain reference.
文摘Lingnan gardens,as one of the three major schools of Chinese classical gardens,have distinct local characteristics and pursue the unity of practicality and artistry.They began to develop during the Qin and Han dynasties,gradually formed their own unique characteristics during the Song and Yuan dynasties,became mature and were extricated from the influence of southern gardens and northern gardens during the Ming and Qing dynasties.In this paper,from the macro and micro levels,as well as natural,social and humanistic perspectives,the style formation of Lingnan gardens was studied.
文摘In this paper,the author sums up some essential knowledge from the practiceabout rebuilding traditional buildings and gardens in which the author has been engagedrecently.The view points are that one should discard the dross and select the essential,re-tain the symbolic form,grasp the overall style,embody local characteristics and space outthe distance of time and space between the new and old buildings.Finally,the author con-siders that the traditional form of buildings should not be used indiscriminately at allplaces in modern times.