... design methods for driven piles in sands and clays, Thomas Telford, London Kikuchi, Y., Mizutani, T., and Yamashita, H (2007) “Vertical bearing capacity of large diameter steel pipe piles. ” Proc., ... openended steel pipe piles in sand, for which relevant CPT and IFR or PLR data are available in the public literature In particular, the database here includes two fully instrumented large- diameter steel ... being much larger than those of small -diameter, thick-walled concrete pipe piles Given the proposal in Eqs (9a) and (9b), these observations indicate that small -diameter piles can develop larger...
Ngày tải lên: 13/08/2015, 10:37
... 10.1) Materials and Manufacture 4.1 Steel pipe piles to be coated shall meet the requirements of Specification A 252 as ordered Requirements for Coated Pipe Piles 7.1 Coating Thickness: 7.1.1 ... contaminant on the steel surfaces If oxidation occurs, the steel shall be cooled to ambient temperature and recleaned before applying the powder coating 11 Rejection 11.1 Coated pipe piles represented ... resubmitted for acceptance testing in accordance with the requirements of this specification 13.2 Pipe piles shall be stored off the ground on supports that prevent excessive deflection Stacked pipe piles...
Ngày tải lên: 08/09/2016, 00:58
Tiêu chuẩn ASTM A 999 : Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
... (constant for a given grade of steel, 0.07 for medium carbon steel (maximum specified carbon 0.19 % or greater), 0.08 for ferritic alloy steel, 0.09 for austenitic steel, and 0.09 for low-carbon steel ... austenitic stainless steel; duplex stainless steel; ferritic/austenitic stainless steel; seamless steel pipe; stainless steel pipe; steel pipe; welded steel pipe TABLE Straightness Tolerances Specified ... alloy and stainless steel pipe, or 50 % of the specified minimum yield strength for austenitic alloy and stainless steel pipe and for ferritic/austenitic stainless steel pipe The test pressure...
Ngày tải lên: 08/09/2016, 00:50
Tài liệu BAT FOR LARGE VOLUME ORGANIC CHEMICALS AND PRODUCTION IN AUSTRIA pdf
... avoid the decomposition of the formed formaldehyde For the separation of formaldehyde from the reaction gases absorption with water is used After the separation of formaldehyde process exhaust ... of formaldehyde (36 %) For the production of these amounts of formaldehyde 102 000 tonnes methanol were used in 1998 After the catalytic conversion of methanol at the silver catalysts to formaldehyde ... percent formaldehyde This corresponds to a capacity of 250 000 tonnes per year related to a formaldehyde solution with 36.5 % formaldehyde The annual production in 1998 was 83 600 tonnes of formaldehyde...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu Environmental, Health and Safety Guidelines for Large Volume Petroleum-based Organic Chemicals Manufacturing pptx
... to the furnace gas system for recovery into fuel gas or to flare; • Adopting closed loop systems for sampling; The normally accepted material loss for good operating performance is around 0.3 - ... carbon (only for methanol storage vents), absorption in water recycled to the process, or connection Formaldehyde to the suction of the process air blower (only for Primary sources of formaldehyde ... monomer (VCM) emissions when loading and pipe connections for loading/unloading are fully evacuated and Before flaring is adopted, feasible alternatives for the use of the gas should be evaluated...
Ngày tải lên: 14/02/2014, 03:20
Tài liệu Continued Concentration in Audit Market for Large Public Companies Does Not Call for Immediate Action docx
... continued effort to assist Congress in reviewing concentration in the market for public company audits The small number of large international accounting firms performing audits of almost all large ... then-five largest accounting firms, Arthur Andersen At that time, we found that although audits for large public companies were highly concentrated among the largest accounting firms, the market for ... of the largest firms was not very active in those industries For example, in 2006 one of the largest firms held 77 percent of the market for public company audits in the agriculture, forestry,...
Ngày tải lên: 18/02/2014, 05:20
Tài liệu Báo cáo khoa học: "Joint Feature Selection in Distributed Stochastic Learning for Large-Scale Discriminative Training in SMT" pdf
... (wz,t,i,j ) end for wz,t,i+1,0 ← wz,t,i,P end for end for Collect/stack weights W ← [w1,t,S,0 | |wZ,t,S,0 ]T Select top K feature columns of W by norm and for k ← K v[k] = end for end for return ... learning for SMT not only to large feature 18 sets but also to large sets of parallel training data Since inference for SMT (unlike many other learning problems) is very expensive, especially on large ... I/Z; distribute to machines for all shards z ∈ {1 Z}: parallel Initialize wz,0,0,0 ← for epochs t ← T − 1: for all i ∈ {0 S − 1}: Decode ith input with wz,t,i,0 for all pairs xj , j ∈ {0...
Ngày tải lên: 19/02/2014, 19:20
Báo cáo khoa học: "An Efficient Indexer for Large N-Gram Corpora" docx
... (N-grams) are equal 4.3 Searching for a Record We construct a B+ -tree for each N-gram file in the dataset for N = 2, 3, 4, 5, and keep the key of the first N-gram for each file in memory When a query ... second A rotational latency should also be taken into account before the sequential reading can be done 106 2, and so forth For example, for a given query Our Honorable , the record that would be ... N-gram for p = 0, 1, , N − 1, then the N-grams sorted lexicographically starting from position (p + 1)modN needs to be searched A lexicographical sort for a position p, for ≤ p ≤ (N − 1) is performed...
Ngày tải lên: 07/03/2014, 22:20
Báo cáo khoa học: "Leveraging Reusability: Cost-effective Lexical Acquisition for Large-scale Ontology Translation" potx
... of the Third Asian Conference for Information Technology in Agriculture Beijing, China: Chinese Academy of Agricultural Sciences (CAAS) and Asian Federation for Information Technology in Agriculture ... able to boost performance of a simple translation system by 65% The Problem The USC Shoah Foundation Institute for Visual History and Education manages what is presently the world's largest archive ... value for access to the archive The hierarchical arrangement of keyword phrases presents another issue: some concepts, while not of great value for access to segments of video, may be important for...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "A System for Large-Scale Acquisition of Verbal, Nominal and Adjectival Subcategorization Frames from Corpora" pot
... Figure 4: Pattern for frame adj-obj -for- to-inf adj-obj -for- to-inf (|These:1_DD2| |example+s:2_NN2| |of:3_IO| |animal:4_JJ| |senses:5_NN2| |be+:6_VBR| |relatively:7_RR| |easy:8_JJ| |for: 9_IF| |we+:10_PPIO2| ... which easy[8] occurs as a complement The first (PP)-complement is for us, as indicated by ncmod (for[ 9] easy[8] we+[10]), with for as PFORM and we+ (us) as NP The second complement is represented by ... summarized in Table The F-measure is lower for nouns (62.2) than for verbs (68.9); for adjectives it is slightly better (71.9).5 The results reported here for the B&C system are lower than those...
Ngày tải lên: 17/03/2014, 04:20
Recommended practice for transportation of line pipe on barges and marine vessels doc
Ngày tải lên: 23/03/2014, 00:20
Báo cáo khoa học: "Efficient Inference of CRFs for Large-Scale Natural Language Data" docx
... and 368 s for ours) and 7∼12 times faster for decoding (2.881 ms for M ALLET, 5.028 ms for C RF ++, and 0.418 ms for ours) This result demonstrates that learning and decoding CRFs for large- scale ... performs 5∼50 times faster for training (1,774 s for M ALLET, 18,134 s for C RF ++, Experiment We evaluated our method on six large- scale natural language data sets (Table 1): Penn Treebank3 for ... the forward-backward procedure to calculate marginals (Sutton and McCallum, 2006) We formally describe here an efficient calculation of α and β recursions for the forwardbackward procedure The forward...
Ngày tải lên: 23/03/2014, 17:20
Mining Console Logs for Large-Scale System Problem Detection docx
... information for automatic analysis of console logs, and is widely used in prior work [17, 11] Identifying the message type and extracting the message variables are crucial preprocessing steps for ... when exceptional behavior happens, and therefore Approach There are four steps in our approach for mining console logs We first extract structured information from console logs By combining logs ... messages (one key for each group) We find variables that are frequently reported by different message types and can have a large number of distinct values This step eliminates the need for a user to...
Ngày tải lên: 30/03/2014, 16:20
Báo cáo khoa học: "Distributed Word Clustering for Large Scale Class-Based Language Modeling in Machine Translation" docx
... a separate clustering for each word position in a trigram model In the experimental evaluation, the authors observe the largest improvements using a specific clustering for the last word of each ... Nc ))) When using large corpora with large numbers of bigrams the number of required updates can increase pre and towards the quadratic upper bound as Nc suc Nc approach Nc For a more detailed ... B + Nv for most corpora and scales far less than linearly with the vocabulary size, providing a significant performance advantage over the other optimization criterion, especially when large vocabularies...
Ngày tải lên: 31/03/2014, 00:20
Behavior of Pipe Piles in Sand : Plugging and Pore-Water Pressure Generation During Installation and Loading pptx
... of Design Guidelines for Piles in Sand in the prediction is particularly high for open-ended steel pipe piles, such as the piles used to support offshore oil production platforms (Olson 1990; Toolan ... pipe piles in sand along with data for 31 closed-ended pipe piles in sand The current study uses a database of 47 load tests, of which thirteen are for open-ended pipe piles (Table 2.2) The piles ... basis for the analyses presented herein Despite the large size of the database, there are relatively few load tests on steel pipe piles in sand Olson (1990) used data for only four open-ended pipe...
Ngày tải lên: 31/03/2014, 16:20
scalable decentralized object location and routing for large scale peer to peer systems
... contacts the live node with the largest index on the side of the failed node, and asks that node for its ¼, it requests the leaf set from leaf table For instance, if failed for ắ ẳ Ä Ä ¾ Let the ... so forth Results are shown for the three different protocols for initializing a new node’s state, with (“Estimation”) and without (“Standard”) the heuristic mentioned in Section 2.5, and for ... service for Internet applications In Proc ACM SIGCOMM’01, San Diego, CA, Aug 2001 25 P F Tsuchiya The landmark hierarchy: a new hierarchy for routing in very large networks In SIGCOMM’88, Stanford,...
Ngày tải lên: 28/04/2014, 13:40
Báo cáo hóa học: " Adaptive antenna selection and Tx/Rx beamforming for large-scale MIMO systems in 60 GHz channels" pptx
... resort to a simple stochastic gradient method for updating the beamformers 4.1 Stochastic gradient algorithm for beamformer update The algorithm for the beamformer update is a generalization of [14] ... the current beamformers (w, u), we generate Kt perturbation vectors for the transmit beamformer, pj ∼ CN (0, I), j = 1, , Kt, and K r perturbation vectors for the receive beamformer, qi ∼ CN ... single-run performance of Algorithm for antenna selection the exhaustive search over a large number (e.g., 1,000) of subsets Performance of antenna selection with variable size Figure shows the performance...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo sinh học: " Research Article Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding" pdf
... used to estimate the optimal DCM order P for each sequence of K LSF vectors For this, a performance criterion for the overall process is first defined This performance criterion is the usual Average ... we go towards lower bit rates For instance, at 2.4 dB, we have about 346 bits/s for the LT coding, 456 bits/s for the KLT, 476 bits/s for the 2DDCT, and 630 bits/s for the frame-by-frame quantization ... the two 2D-transform coding techniques At 375 bits/s this gain reaches respectively 15.8% and 18.1% (2.30 dB for the LT coding, 2.73 dB for the KLT, and 2.81 dB for the 2D-DCT) For unvoiced sections,...
Ngày tải lên: 21/06/2014, 16:20
Báo cáo hóa học: " Research Article Distributed and Cooperative Link Scheduling for Large-Scale Multihop Wireless Networks" doc
... long as λl is large enough, upon convergence, Pl (i) (k) for each l becomes nonzero for some (at least one) of k = 1, 2, , K, and zero for the rest of k = 1, 2, , K Then for each k, there ... jl < for all j =l if λl = Therefore, in order to have a meaningful result from (8), we must have λl > We now consider a case where αlm = αml > 1, αml > α jl for all j =m, and αlm > α jm for all ... allocation to satisfy the uniform link data rate rl = R in bits/s/Hz Shown in this figure, R ≥ is infeasible for K = 1, R ≥ 1.8 infeasible for K = 3, 4, and R ≥ 2.1 infeasible for K = The transition...
Ngày tải lên: 22/06/2014, 06:20
a study on the collapse control design method for high-rise steel buildings
... the application of SN steel (low yield-point high performance steel) , fire-resistant (FR) steel and concrete-filled steel tube (CFT) structures facilitates improved plastic deformation capacity ... Redundancy–, High-performance Steel Products for Building Construction, 2005 Fig shows the temperature-induced transition in yield strength of FR steel and general steel FR steel retains more than ... Transition in Yield Strength of FR Steel and General Steel due to Temperature Fig 10 Heated Loading Test Results for Unprotected CFT Column Filling concrete Steel tube Fig 11 Unprotected CFT Column...
Ngày tải lên: 28/06/2014, 13:49