Abstract:Based on the history of project management and the development process of domestic supervision industry,this paper puts forward the development and evolution of project management and the three stages of domestic engineering supervision industry development,and points out that the conformance of the capacity building to the development logic is the vitality of engineering supervision industry.Therefore,this paper puts forward the two grips and “five optimizations” of innovation and transformation and upgrading of engineering supervision industry,and points out that the starting point is to promote the realization of the “five optimizations” by integrating social resources to embody value from point to area.At the same time,to promote the realization of the “five optimizations” and the revolutionary and systematic innovation and promotion of the project management,corresponding policies and regulations shall be set up by urging relevant governmental departments and industry associations.

Abstract:Combining with the current mature information technology such as big data,sensor application,and Internet+with information intelligent technology and based on the water engineering construction supervision regulation and BIM technology,professional supervision technicians take the leading role in developing a water engineering construction intelligent management solution through integrating all associated parties by information system platforms.This solution integrates the original fragmented quality security management systems to fully supervise the water transportation implementation process through policy reinforcement,easy implementation,process supervision,transparency,real-time error correction and full coverage,etc.,and realize the whole-process supervision for the water transport engineering construction.

Abstract:This paper puts forward the conception of short-range order and innovative thinking.Among those conception,the ternary structure of innovative thinking is composed of constructive thinking,deconstruction thinking and demand thinking.Construction means the realization of the target;while deconstruction means the development and evolution to the new target of a specific link in the process of achieving the target,and demand includes the real needs,potential needs and construction needs.The purpose of theory guiding practice could be achieved by applying the above theory to the activities of project management.

Abstract:During the suggested budgeting period,the construction enterprise’s strategic management ability is relatively weak,the internal and external environment are unstable,and the enterprise’s financial structure is always changing,so it is necessary to establish the internal control system,perfect the internal staffing work and run a systematic internal control mechanism from the angle of enterprise life cycle theory,which is significant for the engineering construction enterprise in the suggested budgeting period.

Abstract:In addition to the specific provisions of laws and regulations,the safety responsibility of the safety supervision unit of the water transport project shall be affected by other unfavorable factors.Based on the analysis of the unfavorable factors of safety supervision for water transport engineering from the proprietor,constructor and supervisor,we put forward countermeasures to be taken by the water transport engineering supervision enterprise and project supervision organization to avoid safety risks.

Abstract:In view of the development orientation of Tongzhou Bay under the new situation,we illustrate it from building the port city,constructing the industry-academia-research base,as well as developing the marine engineering.Based on the strategic orientation of Tongzhou Bay,we analyze the implementation path for the scientific and sustainable development of Tongzhou Bay from the point of coordinated development of regional economy and put forward suggestions.

Abstract:Taking the sand waist phase I,II channel engineering as an example,from the view of project impact on the surrounding environment and engineering,a series of measures to optimize the environment is put forward aiming at construction scheme,the solid waste treatment,biological protection in construction period and related effects in operation period,while the risk of environment can be minimized.

Abstract:Based on the analysis of the resource potential of the coastal tidal flats and the present situation of the reclamation of the coastal areas in Nantong,the paper summarizes a series of results brought by the tidal flat reclamation in the area.The research results show that the strengthening of beach reclamation in Nantong coastal areas is conducive to expanding the space for fishery development and raising the level of fishery development,speeding up the rational distribution of land and sea industries,promoting the industrial transformation and upgrading the port infrastructure,and promoting port industry development and strengthening coastal tourism.

Abstract:Tongzhou Bay Port waist sand two inning project is located in Jiangsu city of Nantong Province coastal sand waist,which encounters some new security risks in the construction process.Aiming at the characteristics of intertidal zone,this paper analyses the existence of security risks in order to propose a number of management measures with field actual situation,such as the signing of meteorological information service,working vessels selection,temporary waterway,gravel transport ship source control,inviting the local boatman pilotage and ship positioning installation tracking system and the establishment of ship system of self-help and mutual assistance.It is safety and controllable,which achieves the goal of zero accidents.

Abstract:Due to the plugging effect and the discount of the soil squeezing effect,the vertical bearing mechanism of large diameter open-ended steel pipe piles is far more complex than that of precast concrete driven pile.Based on the results of the test piles project of large-diameter steel pipe piles of a certain harbor engineer,combined with the current cod for pile foundation of harbor engineering,this paper studies the vertical bearing mechanism of large diameter open-ended steel pipe piles.

Abstract:Aiming at the problem of the costs control of large-diameter bored cast-in-situ deep and long piles used in separate unloading-caps type of sheet pile wharf structure,this paper analyzes the optimizing of the pile length of large-diameter bored cast-in-situ deep and long piles in Tangshan Harbor Caofeidian Port Zone Comprehensive Bonded Area Generic Berth construction,with the experience of similar engineering practice in the vicinity of the construction site,the characteristics of wharf structure and construction technology of the bored pile,etc.The results show that the data of ultimate axial bearing capacity of a single pile from static loading test and factors in bored pile operations are applied to the optimizing of the pile length,which can reduce the project cost.

Abstract:There is certain similarity between the dike closure and gap closure.In the research of reclamation technology of the past,many differences were ignored.There is few research on deep groove block.Combined with deep trough blocking construction of Tongzhou Bay reclamation sand waist phase II channel engineering,the cause of deep trough formation of the coastal region is analyzed,while the construction processing techniques and notes are indicated.

Abstract:Taking Yangshan deepwater port steel-pipe piled wharf engineering for example,this paper probes into the construction difficulties of rock-socketed piles in the coastal area of complicated geologic conditions,i.e.,setting up of the offshore construction platform, punching and lifting and steel pile welding,and puts forward countermeasures to provide a safe,reliable,convenient and energy-saving construction method for the construction of the rock-socketed pile in the coastal area with complicated geologic conditions.

Abstract:Reclamation engineering has a certain impact on the surrounding sea beach trough shape and the ecological environment while promoting regional economic development.Taking the start scheme of Tongzhou Bay harbor as an example,the tidal current model is established to simulate the tidal current pattern of the radiated sand ridge group in the South Yellow Sea.On this basis,two different reclamation schemes are compared to the sedimentary erosion and deposition of floodplains in the project area.On the whole,the two schemes have obvious effect on the sedimentary erosion and deposition of the sea area around the project,but they tend to balance as time goes on.Based on the current simulation results,the second pool of the early implementation which is off the shore is more conducive to maintaining the flow of Xiaomiaohong channel and tidal resources protection.

Abstract:For validation of long spiral drilling pressure filling pile in water transport engineering adaptability and feasibility of the application,this paper takes a yard project application as example.Through the test pile and bored cast-in-situ concrete piles and the normal circulation process analysis,it proves that the technology has a technical feasibility,quality stability,significant economic and environmental benefits and popularizing value in water transport engineering in Caofeidian area.

Abstract:Aiming at the problem of complicated conditions and ultra deep water filling bag cofferdam construction,this paper introduces bag body positioning,cofferdam filling and subsidence control technology.Using design of steel pipe pile positioning,positioning water filling bag,underwater filling process,it is completed the cofferdam construction with an average depth of 20 m and 150 m in length in Caofeidian coal terminal project,which can provide the reference for the similar engineering construction.

Abstract:The construction quality control measures for caisson gravity wharf are mature and perfect,but they are difficult to be done in the site construction.Aiming at the difficulties of rubble-mound foundation bed after acceptance,elevation control and backfill material in the box after a riprap mound slope control problems in projects,we refer to standard data and actual test,then obtain effective control measures.

Abstract:This paper analyzes the characteristics,construction technology and application effects of the aluminum alloy template based on its application in Tangshan Port Caofeidian Port District Legend Holdings general cargo grocery berths phase II project,and comes to the conclusion that the aluminum alloy template is a kind of green template characterized by low consumption and environmental friendliness,and it is economical and practical,thus it could be widely used in domestic port engineering.

Abstract:Aiming at Caofeidian tipping machine room of a large specialized coal wharf engineering,this paper uses the reinforced location,template reinforcement and mass concrete construction key technologies in the building process.Under the different construction conditions,these construction technologies are adjusted to satisfy the construction quality requirements of large tipping machine room engineering.

Abstract:Rock-socketed pile with character of plenty of construction links is an important part of pile foundation project,and its quality control is difficult.Based on rock-socketed pile construction in Yangshan Deep-water Port Phase Ⅳ project, this article discusses the fine management measures from making holes of rock-socketed piles,installation of steel cage,concrete pouring,etc.,to ensure the construction quality of the fine management measures,and to form standard control procedures.

Abstract:Aiming at the problem of difficulty in the condition without the cover of large cylinder shell structure construction,this paper discusses the design characteristics such as large diameter,the innovative use of exchange filling,the structure of the need for a hundred years of anti-corrosion,using a variety of methods for the stability calculation,etc.It also discusses the difficulties of construction such as strong winds and big waves in the construction site,strict precision request of measure and orientation,using the 12 hammer linkage for the first time,etc.Then it summarizes the control points of large cylinder shell structure construction such as high quality for the cylinder shell structure welding,the heavy anti-corrosion coating and the supervision in the whole process,the high precision of underwater trench excavation,appropriate construction space,and the prototype observation to the cylinder.

Abstract:Combining with the experience in the construction supervision for the diaphragm wall of sheet-pile wharf,we carry out a systematic analysis of common problems in supervision quality control process,such as wall construction,mud production,trench excavation,groove detection,joint pipe installation and removal,reinforcement cage manufacture and installation,etc. According to the focal points of supervision management in construction process,we analyze necessary supervision control measures.

Abstract:It is very difficult to reflect the thickness of revetment riprap if it is checked and accepted by the conventional inspection method in the quality inspection because of siltation and sedimentation in the riprap bank.In order to reflect the actual quality of the rubble,this paper researches the method of quality detection in the process of siltation and settlement of bank protection,and finds out that the thickness of the rock deposit is detected by real-time detection+sweep detection,and the coverage is detected by sidescan.

Abstract:This paper analyzes the key points of quality control of sea dike in seepage prevention and sealing process adopted different construction methods of island-island connecting and island-land connecting after sea-based artificial island reclamation.The effect of high-pressure jet grouting pile sealing and seepage prevention at sea is contrasted with the effect of steel sheet pile on land.The result is the effect of the steel sheet pile sealing and seepage prevention is superior to jet grouting pile.

Abstract:Combined with 2 practical construction cases,the cutting through riprap layer and rear sand leakage of linkage construction is studied,which links gravity wharf to sheet-pile wharf. Masonry drill is used to cut through riprap layer. High pressure grouting pile is used to prevent rear sand leakage.

Abstract:The advantages of sliding mode technology is determined.Sliding mode design,assembling and installing are briefly explained.Taking sliding mode climbing as control emphasis,and taking concrete mix proportion,mode with variable cross-section making,sliding mode hoisting,concrete defect treatment and moisture curing as control difficulties,control parameters and scope of quality details,construction management method and measure are respectively pointed out.Construction summarization,safeguard measures,unity of command and potential hazard checking are controlled to guaranteed the efficacy.

Abstract:For the purpose of foundation and structure stability during the construction of tide embankment,three monitoring projects including embankment settlement monitoring,berm platform settlement monitoring and pore water pressure monitoring are installed.The result shows that foundation appears oversize instantaneous settlement on account of high construction speed,short loading interval at initial stage.Following with the shaping of embankment,stable monitoring data range,slow change rate and high dissipation speed of pore water pressure arise.Based on actual embankment settlement data,consolidation degree of soil mass is high and foundation stability becomes strong by calculating of hyperbolic curve.

Abstract:Based on the riprap slope,a post-construction settlement prediction method is proposed.The post construction settlement is predicted by the e-p curve and the borehole probing method,and the post construction settlement prediction is made with the actual settlement monitoring data.Taking Yangshan Deepwater Harbor area as an example,this method is used to predict the construction of rubble embankment,and it is proved to be perfect.

Abstract:Taking construction project of the 12.5 m deepwater channel on the Yangtze River below Nanjing as the research object,the applications of underwater layout detection technique in the project are analyzed and summarized including traditional detection,with ultra short baseline,pulling,sonar real-time tracking and side scan sonar acceptance methods.Meanwhile based on existing science and technology development,the underwater installing process and acceptance detection for the future are prospected.

Abstract:Muddy soil in new seawall engineering area has properties of high water content and low bearing capacity.For the purposes of foundation and structure stability during the construction of seawall,the surface settlement,deep horizontal displacement,layered settlement and pore water pressure observation projects are stetted to reasonable control the construction schedule,and to prevent shear failure of the foundation.The results show that there is a large settlement in the early stage of project,but monitoring parameters are within a reasonably safe range；the settlement rate is slow during the later period of the construction,the compression deformation of embankment tends to be stable,seawall is stable and secure during construction.

Abstract:How to use the intuitive graphics to reflect the original landform and topography and alteration to control construction progress and quality in construction of waterway dredging is important and difficult in the construction process.Based on a 2D graphics by CASS digital,combined a 3D graphics by Surfer software,the underwater topography is analyzed.The method can fully develop the superiority of 3D model in post bathymetric surveying and mapping,and the satisfactory result is achieved.