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On May 3, 1996, Baotou West 6.4 earthquake disaster loss assessment
One. Earthquake basic parameters and intensity distribution
1. Earthquake basic parameters
Shock time :: May 3, 1996 11:32 46 seconds
Middle of the earth :: Number of north latitudes
Solar grade :: ms6.4
Source depth: 24km
As of 6pters May 18, the earthquake zone has a total of 605 earthquakes, of which 3.0 ~ 3.9 earthquake is 100, 5 times, 5.0 ~ 6.9 earthquake, 7.0 ~ 7.9 earthquake 0 Earthquake, 8.0 ~ 8.9 earthquake 0 times, a main shock - the aftershock earthquake.
Figure 1
2: Earthquake intensity distribution
Through the earthquake site, the macro shock of the 6.4 earthquake is between the places 1 and the place name 2 (the number of north latitude, the number of east elute). The intensity of the earthquake is the zone (Figure 1)
III Division: Northern place name 1, South to the place name 2, west to the place name 3, east and place name 4, area unit.
IV Zone: Northern place name 1, south to the place name 2, west to the place name 3, east and place name 4, area unit.
V Zealand: Northern place name 1, south to the place name 2, west to the place name 3, east and place name 4, area unit.
VI Zone: Northern place name 1, south to the place name 2, west to the place name 3, east and place name 4, area unit.
VII Zeng District: Northern place name 1, South to the place name 2, west to the place name 3, east and place name 4, area unit.
VIII Zone: Northern place name 1, South to the place name 2, west to the place name 3, east and place name 4, area unit.
Ⅸ ⅸ 区: Name 1, South to the place name 2, west to the place name 3, east and place name 4, area unit.
Additional 1 (this earthquake has a large range of earthquakes ....).
Two: Earthquake area and seismic geological background
1. In the disaster area profile
The area of the disaster area is approximately units (the earthquake intensity is greater than or equal to the zone), and the disaster area involves local introduction.
The damage area of the 6.4 earthquake is in the region, and it has brought huge losses to the local introduction. There are 7 ethnic minorities such as national introductions. The basic situation of the city and county national economy involved in the earthquake disaster is shown in Table 1.
2. Seismic geological background
The earthquake zone is located in the place name and place name. It has a strong contrast landscape with strong structural activity, high mountain canyon and assembly basin. Summary of the earthquake zone.
Three: Population and staff in the disaster area
1: Population, number of household investigation
The population and number of people in this earthquake is provided by the Bureau of Jurisdiction According to UNCMI, the statistics are currently statistically according to III, IV degree, V degree, VI degree, VII DiVII, VIII Zone, ⅸ The degree sequence is listed in Table 2.
2: Casualssity
At 12 o'clock on May 17, this earthquake caused 26 deaths, 60 people were seriously injured. Due to the collapse of the house, severe damage caused 11,234 people, according to the distribution of casualties in administrative districts, is listed in Table 3.
Four: Survey of housing construction
1. Building classification
In the earthquake affected area, the house building is roughly divided into 4 categories according to its structural type, namely civil structure (containing hard four angles, surrounding structure), brick wood structure, brick-concrete structure, industrial product house (steel mix, brick) . 2: House building destruction level division
According to the "Guidelines for Earthquake Investigation and Earthquake Loss Assessment Work", the damage of the earthquake zone is divided into 5 levels: (1) Destroy, (2) serious damage; (3) Medium damage (4) slight damage (5) Basic intact . The damage level of other buildings and structures shall be determined in accordance with the "Guidelines for Earthquake Loss].
3: Survey statistics
In the earthquake-stricken area, combined with earthquake intensity investigation, the earthquake damage of all kinds of buildings in rural areas, the rural areas (Sumu), villages (拉), city, office and streets The unit, investigation of the area of the housing area of the earthquake zone is the area, the amount of sampling rate, lists the construction area and sampling rate of various types of houses in the earthquake zone, and the sampling point destruction area is shown in Table 5. Single investigation and evaluation of lifeline engineering, public facilities, primary and secondary schools, and hospitals.
Among the losses of this earthquake disaster area, XXX, and investigation conclusions were found!
Five: Earthquake Direct Economic Loss Assessment
1. Unit area reconstruction fee
The damaged housing in the earthquake zone mainly has four types of structural types: industrial production room, brick-concrete structure, brick structure, civil structure (including surrounding structure). Among them, medium-destruction and severe damage damaged housing are mainly in the following two structural forms. By investigating and negotiating with local governments, consider the difference between rural and urban housing costs, 4 types of structural housing unit area cost is taken on the following standards: Industrial production room: 800 ~ 1149 yuan / m2; brick mix structure: 800 ~ 1149 yuan / M2; brick wood structure: 800 ~ 1149 yuan / m2; civil structure: 800 ~ 1149 yuan / m2; The above gives the cost of the new house, and the housing that destroys in the earthquake is the old house, according to the results estimate, the old degree reduction coefficients take 0.8. After reduction, the average unit is: industrial production room: 800 ~ 1149 yuan / m2; brick mix structure: 800 ~ 1149 yuan / m2; brick wood structure: 800 ~ 1149 yuan / m2; civil structure: 800 ~ 1149 yuan / m2 .
2. Losay
Town, rural civil, brick, brick mix, industrial industrial-industrial location, damage: 80%; severe damage; 40%; medium damage; 5%; basics; 0.
3. Building destruction ratio
The destruction of buildings varies depending on the type, earthquake intensity, and the destruction level. Through field surveys, sampling and statistics, the destruction ratio of different structural houses in various martyrs in various martyrs is shown in Table 6.
4. Total area of various intensity area
According to the number of homes in the affected area, it is determined that the average house area of each household in the rural area of the earthquake zone is determined, and the average house area of each household is about a large number of houses. The total area of the urban house can be calculated by the total area of the urban housing, TS = ζSHS
In the formula, TS is about a unit of housing building area. The AS is a household house area; HS is a number of households (Table 2); ζ is an increase in the area of public housing area, here 1.0. In the affected area (more than the area above), the total area of the place name is 2342 yuan / m2; the total area of the place name is 2343 yuan / m2; the total area of the place name is 4,634 yuan / m2; industrial production room 234234 yuan / m2.
All types of houses are provided by local governments. According to the house damage of different structures, the destruction area of various types is calculated, listed in Table 7. Appear
5. Housing destruction direct economic loss
(1) Downtown, rural housing, earthquake destruction, economic loss assessment, EDEP-93 calculation, economic loss of various housing damage is, civil structure: XX billion; brick wood structure: XX billion; brick mix structure: XX billion Industrial production room: XX billion, of which the place name loss XX billion yuan, the place name loss XX billion yuan, the economic loss caused by total housing damage is XX billion yuan.
(2) Most of the primary and secondary schools and medical systems of the place name, place name, and the name of the medical system are the buildings before the 1970s, and the earthquake-resistant capacity is extremely poor (omitted)
6. Indoor property loss
(1) Evaluation of residential property losses
According to the urban, rural destruction and serious damage and housing field sampling investigation statistics, the number of urban residential residential spaces in the area of the city, the number of houses. The collapse of the city and suburbs and seriously destroying the house, the average loss of indoor property is a meta / area, medium destruction is meta / area; the average loss of property in rural collapse and serious damage housing is a meta-area, medium destruction is a meta-area. The inventive indoor property loss of various types of houses is in Table 8. The residential property loss in the earthquake-stricken area is 2343 yuan
(2) Interior property loss assessment of institutions institutions
Indoor property loss assessment of industrial and commercial financial and cultural and educational health and other units, according to the extent of buildings and the number of sampling assessments, the number of sample assessments, focus on organs, finance, schools, hospitals, department stores and other industries Investigation, the statistical loss of various industries is 2.34 million yuan
(3) Loss assessment of livestock
The earthquake zone has died of cattle, sheep, 789879 (head), with the most death sheep, equivalent to 2.34 million yuan
7. Economic Loss Assessment of Basic Measures for Life Engineering, Industrial Mine Enterprises
Introduction summary
(1) Loss of water supply, water conservancy facilities
Baotou City, the total length of the production water supply network is about 1100km, and some of the pipe network measures after the earthquake have been destroyed. The urban area has the above diameter pipelines, and the size of the diameter pipe network is damaged. 23, the pipe network interface is loose, ruptured, Pressure capacity decreases. The Kundu Lagua reservoir was mildly destroyed, and the land name reservoir Dam landslide, and the direct economic loss was 2 million yuan. Farmland water conservancy irrigation channel, culvert, water tank, mercury housing damage 23, assessment of 130 million yuan ..
(2) Power facilities, equipment loss
If there is no power equipment in the earthquake area?
(3) Traffic, communication facilities
What is the formation of specific transportation facilities and locations?
(4) Gas supply, losses of heating facilities, if there is no heating facility in the area?
(5) Loss of industrial and mining companies
If there is no industrial enterprise in the area?
The above-mentioned projects and infrastructure damage caused economic losses of 550 million yuan.
8. Direct economic loss assessment results
The damage to the housing of this earthquake, indoor property loss and lifeline engineering, mineral enterprise infrastructure, primary and secondary schools, medical system losses are summarized in Table 10, and the total direct loss is 2.3023 billion yuan (unparalleled correction factor). Considering the complexity of this urban earthquake and many unexpected hidden risks engineering and equipment, the loss of facilities, especially underground civilian defense projects, gas supply, water supply, supply pipe network loss, and No. V degree area, no calculated According to the "Evaluation of Evaluation", the indeterminate factor correction coefficient is 1.3, and the economic losses after multiplying the correction coefficient is 23.4234 billion yuan. Among them, the damage loss of houses is 2.3 billion yuan, accounting for a percentage, and the indoor property is lost. It accounts for a percentage, and the lifeline engineering loss digital billion yuan, accounting for the percentage, primary and secondary schools, medical system losses, accounting for numbers, accounting for percentage. Alliances, the loss of the city is the most heavy and loss of the Baotou City, the land name loss is a number of billion yuan, and the place name loss is a number billion.
9. Large industrial and mining enterprises
If there is no large industrial and mining business?
10. Gross Direct Loss of Earthquakes
This Baotou 6.4 earthquake has caused different degrees of damage to buildings, structures, lifeline projects, industrial and mining enterprises, and farmland water infrastructure. Its direct economic loss is 3.434 billion yuan; Its direct economic loss is 700 million yuan, and the total value of the two total direct economic loss is 3.434 billion yuan.
Six: Other shock
1. Surface destruction
The surface damage caused by this earthquake is mainly in terrain; these phenomena are mainly distributed in terrain;
2. Cultural relics
Standing on time, it is the cultural relics protection object in the disaster area, which is more serious in the earthquake. Origin introduction.
Seven: Conclusion
(1) In the earthquake in the time, 23 deaths, 23 serious injuries, resulting in direct economic losses 23.434 billion yuan, this earthquake is a destructive earthquake
(2) Summary of the earthquake zone, in this earthquake loss, seismic reinforcement measures must be taken in the reconstruction home, choose the floor to build a house and strengthen the housing foundation treatment
(3) Overview
(4) Overview
(5) summary
Inner Mongolia Autonomous Region Earthquake Administration
March 4, 1996
How do I meet user requirements?
Question 1:
The software is used to assess the earthquake use of large cities with large lifeline companies, such as Tangshan, Baotou? So does the earthquake assessment of small cities don't need to use this software?
Question 2:
Even "The big city with large lifeline companies" is mostly the same, but it is slightly different in subtle, in order to more template, "common factors" must be extracted? To extract "common factors", still keep a small difference, then let users enter? Or 2 functions, both software must be provided?
Question 3:
This template does not cover all the information of all earthquakes, how many typical templates are needed?
