vietnam the author selects the thesis title prediction of service life due to the exposure of chlorides of reinforced concrete bridges near coastal areas in vietnam
Prediction of service life due to the exposure of chlorides of reinforced concrete bridges near coastal areas in Vietnam = Dự báo tuổi thọ sử dụng của cầu bê tông cốt thép ven biển Việt Nam do xâm nhập clo (tóm tắt + toàn văn)
... penetration of chloride in sea environment To predict the service life of concrete structures, the end of the service life needs to be determined In this thesis, the author is going to determine the service ... model to predict the service life of reinforced concrete bridges impacted by chloride impact near coastal areas in Vietnam 3) Propose the methods to increase the service life To apply the model ... concrete bridges at the coastal areas in Vietnam The service life of the reinforced concrete bridges which their spans cannot be substituted will be considered as equaling to the minimum service life...
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Tài liệu The Design of Prestressed Concrete Bridges ppt
... one were to imagine the spectrum of skills required in the building industry, extending at one end from an architect and at the other to a director of a civil engineering contracting firm, the bridge ... devoted to the methods of construction of bridge decks Chapter 16 is a synthesis of the preceding chapters, describing how the scale of a bridge project in uences the choice of the type of deck ... reinforced concrete 3.3 General principles of reinforced concrete 3.4 Reinforced concrete in bending 3.5 The cracking of reinforced concrete 3.6 The exothermic reaction 35 35 37 40 47 51 28 35...
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state-of-the-art report on temperature-induced deflections of reinforced concrete members
... bending moment is induced in the slab due to continuity In this case the bending moment distribution due to thermal effects increases the positive moment in both spans Summing moments due to gravity ... conditions in all regions of the slab In cases where stresses are developed in the member due to restraint to axial deformations, the induced stress due to axial restraint should be included in the ... solar heating to be of the order of 0.75 inches at midspan of the double-tee beams The deflection due to solar heating caused rotations at the ends of the double-tee beams and many of the double-tee...
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A072 the design of prestress concrete bridges
... under the effects of typhoon winds and earthquake The tapering shape of the towers has been determined by the progressive increase in weight applied to them by the stay cables and due to their ... devoted to the methods of construction of bridge decks Chapter 16 is a synthesis of the preceding chapters, describing how the scale of a bridge project in uences the choice of the type of deck ... reinforced concrete 3.3 General principles of reinforced concrete 3.4 Reinforced concrete in bending 3.5 The cracking of reinforced concrete 3.6 The exothermic reaction 35 35 37 40 47 51 28 35...
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Evaluating the long-term durability of fiber reinforced polymers via field assessments of reinforced concrete structures
... increasing order of difficulty to achieve: (1) Recognizing the presence of damage, (2) determining the location of the damage, (3) 26 determining the severity of the damage, and (4) determining the ... exposure The purpose of the single and dual environmental exposures was to decouple the degradation due to natural aging with the degradation due to the accelerated freeze-thaw cycles in the saline ... which begins with an overview of the condition of infrastructure and proceeds to narrower in focus on bridges and FRP repairs Following the overview, the objective of the thesis is explained as...
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DSpace at VNU: Experimental Studies on the Backbone Curves of Reinforced Concrete Columns with Light Transverse Reinforcement
... load-carrying capacity during repeated cycles due to the cracking of the concrete and yielding of the reinforcing bars The pinching effect was observed in the hysteretic loops of all the 50 490 ... Loading protocol as the buckling of longitudinal reinforcing bars and fracturing of transverse reinforcing bars along this diagonal crack In the second mode of axial failure, crushing of concrete ... from the ones in SC-1.7 Series This could attribute to the differences in the increase in the initial stiffness of the specimens in these series when the column axial load is increased The initial...
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Prediction of Reflection Cracking Resistance of Reinforced Asphalts - Dr Binh Vuong (ARRB/Swinburne Uni) pot
... Reinforcing material (ARM) and the surrounding asphalt (used to hold the reinforcing material) are combined into a thin reinforced asphalt layer (RAL) RAL is used as interlayer in asphalt overlays to ... Strains induced by thermal contraction of concrete base 200 Tip of existing crack in concrete base Composite asphalt + carbon fibre Strain (micro strain) 150 Top asphalt Bottom asphalt 100 Unreinforced ... cracking condition • Comparison of tensile strains due to crack opening All cases (unreinforced and RALs) produced similar maximum tension strains at bottom of the correction asphalt layer Strains...
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Báo cáo nghiên cứu khoa học " On the seasonal prediction of surface climate over Vietnam using Regional Climate Model (RegCM3) " ppt
... phenomena During the summer months (May to October), almost all areas of the country have experienced high-temperature conditions except the high mountain areas Under the influence of South Asian ... rainfall amount from May to October contributes about 80% to the annual total rainfall, while Central Vietnam experiences dry and hot conditions due to the “foehn” phenomena In this study the ... perturbations, such as Inter-tropical Conversion Zone (ITCZ), typhoon activities, etc, and their interactions with topography, in the Northern and Southern Vietnam the rainy season also coincides with...
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Intelligent Software Agents on the Internet: an inventory of currently offered functionality in the information society & a prediction of (near-)future developments
... used for information tasks (such as offering, finding or editing all kinds of information) Many things that are said about agents in this thesis do, however, also apply to the other kinds of agents ... for instance, "report" the information and/or services they offer to such an engine by sending the URL of it to the search engine Or suppliers can start up a search engine (i.e information service) ... well for the dynamic nature of the Internet and the information that can be found on it; The search for information is often limited to a few Internet services, such as the WWW Finding information...
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IMPACTS OF CLIMATE CHANGE ON AGRICULTURE IN VIETNAM The case of Mekong River Delta, Vietnam
... Delta and the coastal areas in the north of the central region are most vulnerable to the impact of global warming in Vietnam due to rising sea levels Each year, Mekong people can harvest up to 2.6 ... development to maintain the Mekong River Delta one of the best rice production area in the world and diversify local livelihoods to integrate to the development trend of the country in particular and of ... change is having a big impact on agricultural production and on the lives of the people because of the intensified drought, the saline water coming in, as well as the stormy weather They’ve all...
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PREDICTION OF ATRAZINE FATE IN RIPARIAN BUFFER STRIPS SOILS USING THE ROOT ZONE WATER QUALITY MODEL
... Simulation of atrazine fate, leaching and runoff loss As atrazine load into the RBS and the runoff depth from the cornfield increased the atrazine mass loss in runoff leaving the RBS increased ... 240, then began to decrease (Table 5) The increase in atrazine mass in subsurface soil during the period after atrazine entry into the RBS was due to downward movement of atrazine from the top ... Due to the inability of the model to generate runoff water with long rainfall duration time, we confined the natural rainfall plus simulated runoff to a short 4-minute period to obtain high rainfall...
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an inventory of currently offered functionality in the information society & a prediction of (near-)future developments
... used for information tasks (such as offering, finding or editing all kinds of information) Many things that are said about agents in this thesis do, however, also apply to the other kinds of agents ... for instance, "report" the information and/or services they offer to such an engine by sending the URL of it to the search engine Or suppliers can start up a search engine (i.e information service) ... well for the dynamic nature of the Internet and the information that can be found on it; The search for information is often limited to a few Internet services, such as the WWW Finding information...
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Tài liệu TUYEN TAP CHUYEN CUOI HAY NHAT VIETNAM- THE BEST FUNNY STORY COLLECTION doc
... minh vĩ đại Bên cạnh chàng mọt sách cận thị 10 ốp có vài anh sinh viên ăn mì tơm nói chuyện khoa học Phát minh vĩ đại họ đây? Anh chàng sinh viên ngồi tán phét, chàng bảo: - Tớ vừa có phát minh ... không đủ xăng Tại bụng mẹ to? Giáo dục giới tính điều cần thiết, phương pháp giáo dục điều vô quan trọng Cu Tí thấy bụng mẹ ngày to thắc mắc với bố: - Bố ơi, bụng mẹ lại to ạ? - À, chuyện bình thường ... dám xem - Sao vậy? - Vì ngồi bì thư anh có ghi: Trong thư có ảnh, xin đừng bóc - !!! Cùng vẽ Hoạ sĩ vốn nghèo, nhà cửa tềnh to ng, việc nhà để mặc vợ suốt ngày nghiên cứu chuyện nghệ "thật"...
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Tài liệu Báo cáo khoa học: Investigation and prediction of the severity of p53 mutants using parameters from structural calculations pptx
... sensitivity towards certain mutants Of these, only residue 283 is involved in DNA binding However, residues 272 and 276 are close to DNA binding The other four residues are further away, but at the same ... side of the protein, indicating a possible additional binding site needed for the WAF1 promoter Prediction of the severity of mutants in other proteins All parameters used for the predictions of ... as the wild-type If the amino acid residue is, according to Martin et al [38], involved in DNA or zinc binding A cavity is a volume inside the protein that is not occupied by any atom from the...
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Báo cáo " Development of climate change scenarios for small areas in Vietnam by using the MAGICC/SCENGEN software in combination with statistic correction" docx
... consideration In the study, the temperature and rainfall scenarios are built in the monthly form of decades of the 21st century However, within the scope of this paper, we only introduce climate ... December to February with 2-5% of decrease in Da Nang, 10-18% in Quy Nhon and 13-23% in Can Tho In the rainy season, on the contrary, the months with the highest increase are from September to November ... scenarios Rainfall scenarios show that rainfall in dry season can decrease whereas rainfall in rainy season can increase and annual rainfall can increase in all research areas under the emission...
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Báo cáo khoa học: Prediction of missing enzyme genes in a bacterial metabolic network Reconstruction of the lysine-degradation pathway ofPseudomonas aeruginosa doc
... effect of integrating the two genomic datasets into a single set via the sum of the kernel-similarity matrices Finally, we predicted a global network for all the genes of P aeruginosa In the inference ... cross-validation step, the known enzyme genes were randomly divided into two sets: the training set and the test set, in the proportion of nine to one First, we used the training dataset for a learning process ... [24], and set the number of features L (dimension of the feature space) to 50, the regularization parameter k (trade-off parameter to avoid over-fitting in the training process) to 0.1 in the application,...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25