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Introduction Professional diving decompression chamber is part of health insurance of the persons involved in deep water diving.
When are leaving the surface, the divers are introduced in the decompression chamber to establish a balance between the pressure developed in the deep water and the normal pressure at the surface without diving suit [1].
Finally based on chemical, structural and mechanical characteristics, it is assessing the quality of the weldable steel alloy mark P355NH to select the lots 2, 5, 6, 7 and 8 according to ABS standard for the construction of the decompression chamber for professionals divers.

This work also aims to motivate entrepreneurs and professionals in the sector of civil engineering on the advantages of the application of nanotechnology in construction, as well as providing information to the scientific and technological community in general.
Four different blends were used to evaluate the behavior of mortars with and without nanotubes: mix 1 (CN0): cement + sand + water + 1,0% additive; mix 2 (CN2): cement + sand + water + 1,0% additive + 0.20% CNT; mix 3 (CN4): cement + sand + water + 1,0% additive + 0.40% CNT; mix 4 (CN6): cement + sand + water + 1,0% additive + 0.60% CNT.
Then the samples were transferred for the vacuum chamber of the porosimeter, where they were submerged in water for about 8 hours.

So that we could furthest approach to 4 savings 1 environment protected, which contains material saving, water saving, energy saving, land saving and environmental protection [1].
Recently, government has continuously issued a lot of laws and standard related to the green construction, and formulating the evaluation system of green construction, but it exists plenty of problems during the specific implementation process, For example, we are short of professional management team to manage the projects [2]; management team has less cognition and weak awareness of green construction.
The project management of green construction of many participants According to the contents of the “guideline for green construction”, the green construction has six aspects, including construction management, environmental protection, material saving and material resources using, water saving and water resource using, energy saving and using, land saving and protection of construction land and so on [3].
The contractor chooses professional managers to constitute project department.

Since Tetzaghi put forward the 1-dimensional consolidation theory [1], scholars and professionals in many countries have researched the soil consolidation settlement theory in succession, and have made great achievements, these research results have played a very important instruction function to the actual engineering construction.
Along with the west development policy implementation, the western region's infrastructure is also on the agenda, highway construction, divert water from the south to the north project,oil pipeline construction and so on.
Advances in Science and Technology of Water Resources.
FLAC/FLAC3D Foundation and Engineering Example [M].BeiJing: China Water Power Press, 2009

China a564187338@qq.com, b734672357@qq.com, c793516890@qq.com Keywords: Pressurized water supply, Environmental protection, Energy Saving, Improve water efficiency, Protect the water supply safe, Water Wisdom, Digital water, Overlying water supply Abstract.
Water supply system accounts for the main energy consumption in water supply and drainage system, Choose water-supplying modes and water-supplying system should base on demand of water consumers, operation energy consumption and municipal water supply situation synthetically.
Secondary water-supply technology and non-negative pressure water supply technique guide the development directions for water-saving and energy-saving, safe water supply and improve the efficiency of water supply.
The Secondary Water-Supply System about Management 1) Complete legal system establishment. 2) Training of professional management staff. 3) Clear division of responsibilities.
WANG, Applicability of overlying water supply system, Water Purif.

Steam type appliances work like this: First, make the water convert to steam, then recoverability to change clothes in physically (the surface of the flat) with the steam temperature and humidity [7].
In this stage, 19 kinds of fabrics were made pleats first with reference to the AATCC 128-2004 standard [12], then the garment steamer of Midea YGD30A1 was used to finish the ironing experiment, and last two trained professionals evaluated the smoothness appearance grades after ironing.
When rating the smoothness appearance grades after ironing, two trained professionals must not interfere with each other.
The smoothness appearance grades in Table3 were the average of the results of two trained professionals.

Demarcation of fresh- and saline-water interface is important in water supply engineering in coastal regions.
Though water is plentiful along the coastal belt, finding potable (fresh) water in this region is a challenge due to sea water intrusion to fresh water table.
He also noted that the mixing zone between freshwater and salt water tends to be rather thin and the brackish water is being flushed away to the sea.
The saline water (A), intermixing zone (C) and fresh water zone (B) are clearly indicated in the figures.
Professional paper 5, (1991) p.5-21

It causes the information between all professionals and all stages separated.
The same one component element only need to be inputted once, then groups of workers can operate the component element in different professional angle, which can provide bottom support for the collaborative design. (3)The designers can use the function of collision check in BIM design software to find conflict timely, which can thoroughly remove hard collision and soft collision to optimize the configuration scheme of pipeline.
The designers can make use all kinds of professional analysis soft wares, such as Ecotect.
On the basis of simulating, it can analyze and calculate energy consumption, water consumption and carbon emissions of building, in order to help value management team to optimize the design scheme.

Cai hua-long1,2,aGuBing2,bWuzhi-yu1,c 1State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China 2Yalong River Hydropower Development Co., Ltd., Chengdu, Sichuan  610051, China aCaihualong@ylhdc.com.cn, bGubing@ylhdc.com.cn,cWuzhiyu@ylhdc.com.cn, Keywords: Yalong River Hydropower Development Co., Ltd.; communication planning; basin area; framework Abstract: The planning of network communications of Yalong river basin hydropower development company aims to adapt to the company's strategy and making decision, meet the requirements of project construction, electric power production and administrative management.
Professional scope of planning.The deployment of information systems for Yalong Company uses a model of a data concentration and of large centralized application, in addition to project management systems, most of the remaining systems are centralized in Chengdu headquarters data center.
Professional range planning is mainly for conventional communication networks, emergency communication networks and the local area network in the sub- units range.
Fig.1 Specific professional network (C) Local area network in the sub- units range.
The specific professional network / system is shown in Fig.1: The framework of network communication system According to the forecast needs of bandwidth for various applications and the planning of network access resource, the integration and rational use of communication resources should be strengthened.

Study on Information System Based on gridding management for Hydropower Project during Construction Hualong Cai 1, 2, a, Shisui Ye2, b Xi Xiao2, c Zhiyu Wu2, c Jingfu Zeng2, c 1Wuhan University of Water Resources and Hydropower Project Science and State Key Laboratory, Wuhan 430072, China 2Yalong River Hydropower Development Co., Ltd., Chengdu, Sichuan 610051 aCaihualong@ehdc.com.cn, bYeshisui@ehdc.com.cn, c 137741661@qq.com Keywords: hydropower station; construction; gridding management; database Abstract.
There are many weak links in the traditional urban management systems, mainly as follows: information lag, passive management, overlapping functions between professional management department and bull management [1].
The database is a key session of gridding management for hydropower construction project consisting of the following parts: 1) The geographic information database and the professional database is a resource base of gridding management for the hydropower construction projects [4]. 
But the degree of information of the overall hydropower industry is low and the maturity of the professional information systems meeting the demand of gridding management is on the low side, so the management of projects needs to enhance the overall level of industry information. 
To achieve gridding, professional and fine management need more data to support and improve data sharing.