An Amnesty Assessed. Human Impact on Shipwreck Sites: the Australian Case.

In 1993 a nationwide amnesty was declared in Australia, calling for members of the public who were in possession of historic shipwreck relics to declare them to their respective State cultural heritage management agencies. The amnesty was instituted in response to an amendment in the Commonwealth Historic Shipwrecks Act 1976 , which introduced 'blanket protection' for all shipwrecks and associated relics in Commonwealth waters which were at least 75 years old. This paper reports on a recent assessment of the process, consequences and implications of the amnesty, and discusses the significance of the results.
© 2008 The Author     

新的起点 新的要求 新的任务——论以改革创新精神建设党

我们正处在新的历史起点上,既面临良好的发展机遇,又面对严峻的挑战,机遇大于挑战。新的历史起点对党提出了新的考验和要求,党必须从新的历史起点的客观现实出发,以改革创新精神全面推进党的建设新的伟大工程,始终保持和发展党的先进性,不断提高党的执政能力。为此,要有强烈的优惠意识,树立与时俱进、改革创新的精神风貌,增强以改革创新精神建设党的自觉性和坚定性。     

小邾国媵器随葬于本国贵族墓地原因探析

小邾国与胙国是姻亲国,邾友父鬲是小邾君为其嫁为胙国夫人的女儿制的媵器,本应随其女儿陪嫁到胙国,而却随葬在小邾国贵族基地.邾友父鬲和1号墓的年代为春秋早期,胙国被灭也在春秋早期.二者年代相同,绝非偶然巧合.其原因应与胙国灭亡的重大变故有关.当时邾友父的女儿很可能未及出嫁胙国就灭亡了,也可能已经出嫁到胙国,在南燕兼并胙国时为避难而逃回到母国,同时也把媵器带到了娘家,或仅仅是把媵器转移到了小邾国,后因胙国灭亡,媵器便留在了母国,为其兄弟亦即第二代小邾君所得,到第二代小邾君或其夫人去世时,便把这些媵器随葬在墓中.如果此说不妄,则又可反证胙国灭亡的更为具体的年代.     

An African-Type Healer/Diviner and His Grave Goods: A Burial from a Plantation Slave Cemetery in Barbados, West Indies

An adult male buried in the late 1600s or early 1700s and excavated from a plantation slave cemetery in Barbados had the cemetery's richest assortment of grave goods: an iron knife, several types of metal jewelry, an earthenware pipe, and a necklace of money cowries, fish vertebrae, dog canine teeth, European glass beads, and a large carnelian bead probably from India. Most of these artifacts are unique to New World African descendant sites. The individual was probably an African-type diviner/healer whose high status in the slave community is reflected in his relatively elaborate artifact inventory.     

Wall Paintings from the Roman Emona (Ljubljana,Slovenia): Characterization of Mortar Layers and Pigments

This study concerns the investigation of mortar layers and pigments of wall paintings from the Roman town of Emona (Ljubljana, Slovenia). Fragments of wall paintings consist of up to three preserved mortar layers. The mineralogical–petrographic compositions of the mortars were determined by means of optical microscopy and FT–IR spectroscopy. The investigated samples were divided into several groups based on similar thicknesses of the mortar layer, the binder colour and the composition of an aggregate. Furthermore, the results of mercury intrusion porosimetry showed that mortar layers consisting of carbonate grains exhibited lower porosity with respect to layers with mainly silicate grains, which is attributed to the angular shapes of carbonate aggregate. This is in accordance with the drilling resistance measurement system test (DRMS), confirming that layers with angular carbonate grains are harder than those with addition of rounded silicate ones, due to the good packing effect. The wall paintings were mainly executed using the fresco technique, while for some details secco was used. The identified pigments were red and yellow ochre, green earth, Egyptian blue, carbon black and lime white; all of them belonged to the so‐called austere pigment, which is quite common in Roman wall paintings.     

Seismic vulnerability assessment of historic centers: description of a predictive method and application to the case study of scanno (Abruzzi,Italy)

ABSTRACT

In this article, a predictive model for the seismic vulnerability assessment of old Italian historic centers is presented through its direct application to a meaningful case study, the historic center of Scanno, in Abruzzi, Italy.

The proposed method is calibrated on the basis of the observations carried out on similar historic centers hit by the 2009 L’Aquila earthquake and is applied in order to provide likely damage scenarios by means of fragility curves. The method is based on the evaluation of a limited number of structural and typological parameters that can be obtained by simple and rapid inspections on buildings. In addition, it is conceived in order to provide useful information on the most effective anti-seismic strategies to be implemented on urban scale for pursuing a global mitigation of the seismic risk and for the application of suitable risk reduction policies.

The final aim of the article is to give an applicative vision of the method, by providing instructions on how to judge the features of the buildings that are influential on their seismic behavior, as well as by showing the potentiality of the method itself in providing likely damage scenarios, also with the support of GIS-based representations.     

Shaking table tests on a stone masonry building: modeling and identification of dynamic properties including soil-foundation-structure interaction

This article presents the identification of dynamic properties of a stone masonry building, followed by numerical simulation of its dynamic response accounting for soil-foundation-structure interaction. The first part regards numerical simulations of the earthquake response of a two-story building prototype with timber floors, made of three-leaf stone masonry without laces. This 1:2 scale prototype was tested on a shaking table in its as-built state and after strengthening, at the National Technical University of Athens. Afterward, the building prototype was modeled with flat shell elements and equivalent frames (common frames and macro-elements), for an investigation of its linear and nonlinear seismic response, assuming base fixity. Numerical results were compared to the experimental ones, which yielded conclusions on the considerations of each employed modeling strategy, as well as its efficiency and applicability. The second part considers the effect of soil-structure interaction using appropriately modified foundation stiffness values to account for the foundation soil flexibility. Comparison of the numerical results with and without SSI effects showed how the flexibility of the soil-foundation system and the soil-structure interaction modified the system’s modal characteristics and response within the elastic range, in terms of both seismic loads and deformations, and produced conclusions about its consequences on the overall structural stability.     

西司马墓地与殷遗民

西司马墓地中部偏西的82座墓葬,从出土器物、葬制葬俗来看,年代应为西周早期,最早可到武王时期,最晚不出成王时期,墓主应是殷遗民。其中西向墓和南向墓应分属两族,二者在墓葬形态和财富上有着较为明显的差异。西司马殷遗民墓地很可能就是武王时期迁徙殷遗民政策的结果。     

被“遗忘”的城市角落:对常熟历史街区衰败的思考

历史街区的保护已经受到我国城市政府的高度重视,然而在历史街区的保护中,街区衰败的现象屡见不鲜。为探究历史街区衰败的原因,本文以常熟市的历史街区为例,分析了物质空间衰落、基础设施匮乏及社会空间边缘化的街区衰败问题。研究也发现历史街区衰败的原因在于政府决策困境、产权关系复杂和多头管理带来价值差异等。为此,研究建议在今后的街区保护工作中,要考虑当地居民的需求,而社会舆论也应当对历史街区改造更加包容。同时,政府部门也要建立跨部门的协调机制,探索"接地气"的改造方案。