Monitoring the French Panthéon: From Rondelet’s Historical Surveys to the Modern Automatic System

The damage of a historical structure can be today controlled with many sophisticated instruments. Nevertheless, this type of monitoring can give information only over a very short period of time compared with the long life of the building. This approach can be insufficient to reconstruct the whole evolution of the damage, and thus to understand the stress distribution inside the structural elements, particularly in cases for which long-term phenomena (such as viscosity or soil settlements) are present. To reach this more complex aim, an approach of historical monitoring should be applied, both looking at technical historical documents and surveying the traces of history directly on the monument itself. The case of the French Panthéon is presented in this study, showing the usefulness of this approach also for the present stability assessment. The comparison among the plentiful historical documentation (including 18th-century surveys, monitoring, and technical reports), the present surveys of deformations and the “modern” structural monitoring allowed a complete quantitative reconstruction of the main damages evolution from the construction till now, laying the base for a possible future conscious intervention.     

Structural Identification of a Masonry Tower Based on Operational Modal Analysis

A wide program of structural assessment has been carried out by Politecnico di Milano on the historic bell tower of the church Chiesa Collegiata in Arcisate (Varese, northern Italy). Within this context, the first part of the article summarizes the results obtained from the application of the stochastic subspace identification method to ambient response data collected in two dynamic tests, carried out in June 2007 and June 2008. Next presented is the vibration-based methodology developed for the calibration of a three-dimensional finite element model of the tower, consisting in the successive application of systematic manual tuning, sensitivity analysis, and simple system identification algorithm.     

From institutions to events – structural change in Norwegian local cultural policy

In this paper we discuss the ongoing restructuring of local cultural policy in Norway. Since the 1990s, we argue, the local cultural sector has been undergoing a structural change, in the form of a movement from institutions to events. As public resources granted to traditional local cultural institutions such as libraries and culture schools decrease, there is a rise in resources granted to new arenas of local cultural life, such as cultural festivals and culture houses. We explain this shift of balance from institutions to events in local cultural policy with reference to three types of mechanism. First, we point to the ‘flexibilisation’ of the cultural sector, which ensues from its sensitivity to changes in the funding of the local governments. Second, new forms of earmarked state funding schemes pull local resources in the direction of cultural festivals and cultural events. A third mechanism that explains the shift from institutions to events is local policymakers’ adoption of theories of culture as a source of urban and regional regeneration.     

汉阳陵文物彩绘的结构观察及颜料成分分析

汉阳陵彩绘文物多种多样,出土时有些保存状态良好,受环境影响较小,而有些则相反。为了弄清其内部结构原因,为文物保护提供科学依据,通过显微镜观察、X-衍射分析并结合相关文献对4类彩绘文物进行了研究。研究结果表明:(1)著衣式陶俑彩绘只有一层颜料层;陶器和木马彩绘由三层构成:灰腻层、生漆有机层、颜料层;(2)漆器彩绘由2~3层漆灰-亚麻布+2层以上生漆+2~3层色漆构成;(3)陶俑和木马上的红色颜料为铁红;漆器的红色颜料是朱砂。研究建议出土时对具有生漆有机底层的彩绘即刻采取保湿措施,并采用防绉缩和加固并用的保护方法。     

城市产业结构升级与空间结构形态演变研究——以长春市为例

产业结构演变与城市空间拓展的互动是城市实现可持续发展的重要路径。本文从产业结构演进与城市用地结构变化、产业结构更新与城市功能地域调整、产业结构调整与城市空间形态优化等方面分析了城市产业结构升级与城市空间形态演变的互动机制,并以长春市为例,研究了长春市产业结构演变与城市空间形态演变的互动变化过程,提出了二者未来互动变化的趋势。     

执政党的组织形象及其结构体系

执政党组织形象的理论研究是党的建设研究领域中的一个崭新课题。执政党的组织形象是执政党的客观实在与公众主观认知、评价的混合物,具有系统性、形象性、阶级性和动态性等特征。从不同角度、不同层面分析,可以对执政党组织形象的结构体系有更深刻的认识。     

我国出境游客旅行前的信息搜索行为意向研究：基于TAM、TPB与DTPB模型

本文使用TAM、TPB与DTPB模型对我国出境游客旅行前的信息搜索行为意向进行分析发现,态度是影响我国出境游客旅行前信息搜索行为意向的首要因素,其次则是知觉有用性、感知行为控制和主观规范。同时,研究也发现,虽然上述3个模型对行为意向均具有较强的解释力,但从模型解释的变异量、拟合度及简约性来看,TPB模型最为恰适,且修正后的TPB模型解释了行为意向75％的变异。     

Identifying the woody resources of Diepkloof Rock Shelter (South Africa) using scanning electron microscopy of the MSA wood charcoal assemblages

This article presents the results of the anatomical identification of wood charcoal from pre-Still Bay, Still Bay and Howiesons Poort assemblages at Diepkloof Rock Shelter (South Africa) using scanning electron microscopy. In the earliest phases, with pre-Still Bay stone tools, the charcoal shows a predominance of Afromontane forest taxa, some riverine woodland species, mesic thicket and proteoid fynbos vegetation. With a change in lithic technology in Still Bay contexts, the balance of Afromontane and thicket taxa shifts towards favouring the latter. A more diverse array of proteoid fynbos species emerges, and there is evidence for the use of plants from the local wetlands of the Verlorenvlei. In Howiesons Poort contexts, typified by a different lithic technology, the charcoal shows some Afromontane forest persisting, but the overwhelming change is towards greater species diversity, with the woody taxa being increasingly representative of thicket and shrubland. Some of the fynbos and thicket species are typical of vegetational communities which inhabit well-drained soils, rocky or dry locations at the present day. More wetland plants from the Verlorenvlei were selected for use.     

The use of wood in funerary pyres: random gathering or special selection of species? Case study of three necropolises from Poland

In this study, the analysis of charcoal remains from three prehistoric necropolises is presented. This botanical material formed part of funerary pyres and thus represents purposely gathered wood used for cremation ceremonies. Therefore, its anthracological analysis may indicate a special selection of wood, which may be a source of palaeoethnographic information about past rituals. However, a question remains as to whether or not the charcoal assemblages that originated from graves may also provide some palaeoecological information. In order to test both hypotheses, analysis of three Polish necropolises dating to the Bronze and the Iron Age were performed. In all charcoal assemblages, a taxonomic diversity among charcoals was detected, which may suggest that the wood was collected based on availability. This may also be inferred after observing that the presence of the most ubiquitous and frequently found taxa may be strongly correlated with present-day vegetation growing in the vicinity of the necropolises.     

关中天水经济区核心—边缘旅游空间结构解析

核心—边缘结构是区域旅游空间结构演化的重要解释模型,本文从复杂系统理论和分形理论切入重新解构旅游空间结构演变特征、动态过程和测度方法。以关天经济区为例实证分析并得出结论:核心—边缘旅游空间结构具有层次性、涌现性和分形的特征,演变过程分为核心集聚极化、边缘扩散溢出和空间动态平衡三个阶段;首位度、分形等方法能很好揭示旅游空间结构演化过程;关天经济区旅游空间属于典型的核心—边缘结构,目前处于核心集聚极化阶段后期,溢出效应逐步显现,次级核心基本形成,空间结构与等级结构紧密耦合,发展态势良好。