CN105398890A - Method for analyzing number of super high-rise construction elevators - Google Patents

Abstract

The invention discloses a method for analyzing the number of super high-rise construction elevators. The method of presetting and re-inspection is adopted. The total number of the required construction elevators is calculated according to a roughening algorithm formula first; then after a specific plan of the plane and a specific plan of the facade are completed, the matching degree between the transportation capabilities of the construction elevators and the actual transportation demands for a project is reexamined and verified through an actuarial method according to the number of people and the quantity of materials. According to the technical scheme, the problem of determining the number of the super high-rise building construction elevators can be well solved, and the accuracy of calculating the number of the construction elevators is improved, so that the phenomenon of construction delay caused by the insufficient transportation capabilities of the construction elevators or resource waste caused by the surplus transportation capabilities of the construction elevators is avoided. The method can be applied to a lot of similar construction projects and is worthy of popularizing.

Description

Super High construction elevator Methods of Quantitative

Technical field

The present invention relates to elevator quantitative analysis technology in building, be specifically related to a kind of Super High construction elevator Methods of Quantitative.

Background technology

In recent years, along with progress and the development of urban construction, what real estate industry became many cities gives priority to industry, and high-rise building also becomes a line of scenery line in each city.Due to the rare of soil and increment, high-rise building will become the inexorable trend of urban architecture, can predict, along with the progress of technology, landmark height will constantly be refreshed in various places, and in high-rise building technical innovation, the development of construction elevator control technology is also vital.

During construction of super highrise building, along with job schedule advances, construction elevator runs highly constantly to be increased, workman and material quantity also consecutive variations, the input of elevator and remove also dynamic change.Carrying out of each specialized engineering is the most important factor affecting transportation demand, therefore, by the development condition of each specialized engineering, construction elevator operating cycles should be divided into several stages and carry out transport capacity checking computations, Super High vertical transport can be divided into following 8 stages: pure structure construction, curtain wall and dynamo-electricly to insert, masonry inserts, slightly fit up insertions, fine fitment insertion, outdoor elevators start to remove, whole formal elevators of employing.

Different from formal elevator, construction elevator both responsible person's transports, be also responsible for transport of materials, and the transportation demand of personnel and material are completely different.Personnel transport and must meet working peak load conditions requirement, complete the transport of full complement in the peak load conditions (such as 2 hours) that namely requires to be on duty.Then there is not the restriction of peak load conditions in material, because construction elevator 16 hours runs, the haulage time that only need meet material average every day is less than the time deducted for 16 hours remained by peak load conditions on and off duty.Therefore, each stage should check transport capacity respectively and whether meets personnel's transportation demand and whether meet transport of materials demand.The type selecting of elevator mainly comprises the selection of terraced cage size, load-carrying, speed, single cage or these four parameters of two cage.

But so far, not yet there is suitable technical scheme to realize analyzing comparatively accurately Super High construction elevator quantity.

Summary of the invention

The object of the present invention is to provide a kind of Super High construction elevator Methods of Quantitative, construction elevator quantity can be checked and whether meet the requirement of building personnel and transport of materials in Process of Engineering Construction.

Technical scheme of the present invention is such:

1. basic calculating thinking

1.1. the method for " preset and review " is adopted

The determination of construction elevator quantity adopts the method for " preset and review ", namely the sum of required construction elevator is first calculated by rough calculation method empirical equation, after doing the physical planning of plane and facade, again by number and the goods and materials amount of estimation, checked the matching degree of checking construction elevator transport capacity and engineering actual shipment demand by the actuarial method of this subject study.Cross for avoiding transport power and contain and cause unnecessary cost to increase, transport capacity should not much larger than transportation demand.When default eleva-tor bank closes the transport capacity that calculates much larger than transportation demand, suitably should reduce elevator quantity and again check.

1.2. analyze stage by stage

During construction of super highrise building, along with job schedule advances, construction elevator runs highly constantly to be increased, personnel and goods and materials quantity also consecutive variations, the input of elevator and remove also dynamic change.Carrying out of each specialized engineering is the most important factor affecting transportation demand, therefore, by the development condition of each specialized engineering, construction elevator operating cycles should be divided into several stages and carry out transport capacity checking computations, Super High vertical transport can be divided into following 8 stages: pure structure construction, curtain wall and dynamo-electricly to insert, masonry inserts, slightly fit up insertions, fine fitment insertion, outdoor elevators start to remove, whole formal elevators of employing.

1.3. personnel's transport capacity and Material Transportation ability is checked respectively

Different from formal elevator, construction elevator both responsible person's transports, be also responsible for Material Transportation, and the transportation demand of personnel and goods and materials are completely different.Personnel transport and must meet working peak load conditions requirement, complete the transport of full complement in the peak load conditions (such as 2 hours) that namely requires to be on duty.Then there is not the restriction of peak load conditions in goods and materials, because construction elevator 16 hours runs, the haulage time that only need meet goods and materials average every days is less than the time deducted for 16 hours remained by peak load conditions on and off duty.Therefore, each stage should check transport capacity respectively and whether meets personnel's transportation demand and whether meet Material Transportation demand.

1.4. presetting can stop layers number

The time effects that stop layers number runs one week to construction elevator is very large, and then affects the transport number of times of elevator within the unit time, several times of the high-rise building number of plies common skyscraper often, and the impact of stop layers number is particularly outstanding.But, stop layers number can be reduced artificially by management, greatly improve conveying efficiency, such as specify two and can stop 4 floors of being separated by between floor, or point high, normal, basic district transport, Material Transportation carries out examination and approval system, distribute the special period, avoid multi-specialized mixed transportation etc.But administrative measure has a variety of, in order to make method of calculating, there is commonality and easy to use, limitedly should consider management factors.

2. deduce process in detail

2.1 rough calculation method primary Calculation ladder cage quantity

Thick algorithmic formula:

$M=\frac{\sqrt[3]{H\·A}\·F}{125\sqrt{T}}$

The total number of M----standard ladder cage

H----high building top level structure absolute altitude (m)

A----high building gross building area (㎡)

F----is the number of plies on the ground

T----binds to the plan time (d) of high building completion from high building subterranean room

The terraced cage number drawn by this formulae discovery is the number of the standard ladder cage through to top the end of from, as arranged elevator of plugging into up and down, special size elevator etc. by actual demands of engineering, then needs to be adjusted accordingly terraced cage number.Be below some Super High construction elevator cases, " terraced cage number " described herein refers to effective number, and the elevator of plugging into does not count.

2.2 actuarial methods check construction elevator transport capacity

Super High construction time vertical transport is divided into several stages according to the time that each specialized engineering inserts, and shipping height, the elevator number of units in each stage are not identical with expense, therefore need each stage not do transportation volume analysis, and each stage all meet judgment criteria.

(1) this stage personnel transport fundamental formular and judgment criteria

The requirement of personnel's transport meets peak on and off duty, considers that peak load conditions on and off duty is 2 hours, and i-th terraced cage carried number in 2 hours:

$R_i=\frac{2\×60}{{\mathrm{RTT}}_i}\×r_i\×k_1$

Whole terraced cage in 2 hours number of carrying should meet:

$\underset{i}{\overset{M}{\Σ}}{R}_i\≥a$

R _i----the i-th terraced cage carried number in 2 hours

RTT _i----the i-th terraced cage runs week age

R _i---the specified number of-the i-th terraced cage

K ₁----elevator staff coefficient (usually getting 0.8)

M----ladder cage number

This time elevator of a----uses total number of persons

(2) this phase material transport fundamental formular and judgment criteria

Jth class goods and materials haulage time average every day:

$t_j=\frac{c_j\×{\mathrm{RTT}}_j}{M}$

Consider that transport the goods and materials time is 12 hours every day, all kinds of goods and materials haulage time sum average every day should meet:

$\underset{1}{\overset{x}{\Σ}}{t}_j\≤12\×60$

T _j----jth class Material Transportation the time

C _j----jth class Material Transportation number of times

RTT _j----jth class Material Transportation week age

M----ladder cage number

The analysis of 2.3 each computational element

1. transport next time-of-week of people's situation

Week age refers to terraced cage round trip required time, the element of week age has running time T r, switch gate time Td, Tp personnel pass in and out the time add up to and lost hours T1.

(1) week age RTT _iformula

In fortune people situation, the operation week age of i-th terraced cage is:

RTT _i＝ΣTr+ΣTd+ΣTp+T1

Σ Tr----time of run adds up to

The Σ Td----switch gate time adds up to

Σ Tp----personnel pass in and out time total

T1----lost hours

(2) total Σ T is run _r

Generally speaking, time of run be accelerate, deceleration time and full speed running time and.Therefore, it is relevant with the command speed, lifting travel, stopping time etc. of elevator.

When calculating construction elevator time of run, can ignore and accelerate and slow down, the operation of construction elevator levels off to and travels at the uniform speed.The time of run of round trip adds up to:

$\mathrm{\Σ}Tr=\frac{L}{V}*2$

L----runs height (m)

V----construction elevator command speed (m/min)

(3) switch gate time ∑ T _d

1) T _ddetermination

Different from permanent elevator door automatic switch, the door of construction elevator is hand switch, and this time is uncertain time, but can adopt the method for statistics, draws the average switch door time.

2) stop layers number f is envisioned _n

And construction elevator run one week total switch gate time ∑ Td also with envision stop layers number f _nrelevant.

Anticipation stop layers number f _nconsideration method:

A certain workman opens the probability (p) of elevator in a certain leafing, determines according to the number of each layer, when supposing that each layer number is equal: p=1/n (now, n is the stop layers number except the layer that starts);

On the contrary, this workman does not leave the probability (q) of elevator at random layer: q=1 ?1/n;

When the workman in car is r people, in random layer, all none leaves the probability q of elevator ^rrepresent, that is: q ^r=(1-1/n) ^r;

On the contrary, in random layer, a people is had at least to leave the probability (p of elevator _n)

$p_n=1-{\left(\frac{n-1}{n}\right)}^r$

Therefore, anticipation stop layers number (f during n layer _n):

$f_n=p_n\×n\[1-{\left(\frac{n-1}{n}\right)}^r\]\·n$

By upper, the switch gate time, Td was:

ΣTd＝Td·(f _n+1)

(4) workman access time Σ Tp

The week age of access time to elevator of workman has great proportion, but, due to using people as object, then major part is uncertain key element.Access time of workman should be relevant with door opening width, terraced cage size, shape, and pole is by the impact of chaotic load situation in hall and terraced cage again.

The time that workman leaves elevator at general floor adds up to, and can be similar to following formula and ask for:

$t_e={\mathrm{kr}}^3\sqrt{f_n}$

T _e---the time that-passenger leaves elevator adds up to (s)

The ridership (people) of r----elevator

K----door opening width coefficient (with reference to door opening width coefficient table)

Door opening width coefficient table

Therefore, personnel pass in and out time total:

$\mathrm{\Σ}Tp=(0.8+k\sqrt[3]{f_n})\·r$

(5) lost hours T1

Above-mentioned switch gate time and workman's access time, due to containing suitable uncertain factor, as stopped non-regulation floor temporarily, construction elevator driver operation accuracy is uncertain, so, to expect for lost hours 10% of the neat total ascent time.

T1＝(ΣTd+ΣTp)×10％

2. i-th terraced cage carried number R in 2 hours _i

Project can set workman according to managerial demand and to go to work section in peak time.

3. the specified number r of i-th terraced cage _i

The specified number that the specified number of ladder cage provides by construction elevator producer is determined.

4. elevator staff coefficient k ₁

Elevator staff coefficient and elevator cars with full load rate.

5. terraced cage number M and this time elevator use total number of persons a

Because part Super High project limits by execution conditions, part construction elevator have employed single cage configuration, therefore, this calculating with terraced cage number for research object.Preset the terraced cage number in each stage, calculate use of each stage total number of persons, and the working peak load conditions transport capacity checking each stage meets the requirement that elevator uses total number of persons.

6. jth class transport of materials time t _j, transport number of times c _jwith week age RTT _j

Transport different from personnel, the wide variety of material, and for the material had, elevator freight volume limits by volume, for another part material, elevator freight volume, then by weight limits, therefore, does not have a kind of suitable unit can the amount of Unify legislation all material.As all material by volume and is by weight classified in detail, then the volume and weight computational effort of thousands of kinds of materials is too huge, and in the preparation of construction organization designs stage, the drawing of each specialized engineering is not yet deepened, scantling and weight cannot be determined, therefore, calculating for simplifying, calculating haulage time to transport number of times.The transport number of times of civil material (being mainly masonry and mortar) can draw by drawing and trolley Size calculation, and the transport number of times of each specialized engineering material can be drawn by the statistics of multiple project, also can estimate number of times by each professional subpackage unit report.During transporting material, the stop number of times of elevator transports far less than personnel, and can consider that material is only stopped at beginning floor and destination, it is 10 minutes that berthing time considers.

${\mathrm{RTT}}_j=\frac{L}{V}\×2+10$

7. the explanation of maintenance time

There is the maintenance time time of stopping of elevator routine.

Owing to have employed technical scheme of the present invention, the problem identificatioin of construction of super highrise building elevator quantity can be solved well, improve the accuracy that construction elevator quantity calculates, thus the delayed works avoided transport power not enough and cause or the wasting of resources caused because transport power is superfluous.Method of the present invention can be applied in much similar building engineering, is worthy to be popularized.

Accompanying drawing explanation

Fig. 1 is the speed/acceleration diagram of curves that elevator runs.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is described in further detail.

Embodiment 1:

1. deduce process in detail

1.1 rough calculation method primary Calculation ladder cage quantity

Thick algorithmic formula:

$M=\frac{\sqrt[3]{H\·A}\·F}{125\sqrt{T}}$

The total number of M----standard ladder cage

H----high building top level structure absolute altitude (m)

A----high building gross building area (㎡)

F----is the number of plies on the ground

T----binds to the plan time (d) of high building completion from high building subterranean room

The terraced cage number drawn by this formulae discovery is the number of the standard ladder cage through to top the end of from, as arranged elevator of plugging into up and down, special size elevator etc. by actual demands of engineering, then needs to be adjusted accordingly terraced cage number.Be below some Super High construction elevator cases, " terraced cage number " described herein refers to effective number, and the elevator of plugging into does not count.

1.2 actuarial methods check construction elevator transport capacity

Super High construction time vertical transport is divided into several stages according to the time that each specialized engineering inserts, and shipping height, the elevator number of units in each stage are not identical with expense, therefore need each stage not do transportation volume analysis, and each stage all meet judgment criteria.

(1) this stage personnel transport fundamental formular and judgment criteria

I-th terraced cage carried number in 2 hours:

$R_i=\frac{2\×60}{{\mathrm{RTT}}_i}\×r_i\×k_1$

Whole terraced cage in 2 hours number of carrying should meet:

$\underset{i}{\overset{M}{\Σ}}{R}_i\≥a$

R _i----the i-th terraced cage carried number in 2 hours

RTT _i----the i-th terraced cage runs week age

R _i---the specified number of-the i-th terraced cage

K ₁----elevator staff coefficient (usually getting 0.8)

M----ladder cage number

This time elevator of a----uses total number of persons

(2) this phase material transport fundamental formular and judgment criteria

Jth class material haulage time average every day:

$t_j=\frac{c_j\×{\mathrm{RTT}}_j}{M}$

Consider that transporting material time every day is 18 hours, various types of materials haulage time sum average every day should meet:

$\underset{1}{\overset{x}{\Σ}}{t}_j\≤12\×60$

T _j----jth class Material Transportation the time

C _j----jth class Material Transportation number of times

RTT _j----jth class Material Transportation week age

M----ladder cage number

The analysis of 1.3 each computational element

1. transport next time-of-week of people's situation

Week age refers to terraced cage round trip required time, the element of week age has running time T r, switch gate time Td, personnel pass in and out the time add up to Tp and lost hours T1.

(1) week age RTT _iformula

In fortune people situation, the operation week age of i-th terraced cage is:

RTT _i＝ΣTr+ΣTd+ΣTp+t1

Σ Tr----time of run adds up to

The Σ td----switch gate time adds up to

Σ Tp----personnel pass in and out time total

T1----lost hours

(2) total is run

Generally speaking, time of run be accelerate, deceleration time and full speed running time and.Therefore, it is relevant with the command speed, lifting travel, stopping time etc. of elevator.Acceleration/accel and speed can think that speed/acceleration diagram of curves as shown in Figure 1 changes like that, and the pick-up time reaching command speed asked for by this characteristic and acceleration distance are as shown in pick-up time and acceleration distance table.

In Fig. 1: V: command speed; α m: peak acceleration; t ₀: add pick-up time; t ₁deng pick-up time; t _m: pick-up time; Sa: acceleration distance.

Wherein: $Sa={\∫}_0^{t_m}vdt=\frac{1}{2}V\·t_m$

According to the formula in Fig. 1, draw pick-up time and acceleration distance table, when peak acceleration is 1.0m/s ²time (conventional comparatively pulsation-free acceleration/accel):

Table 1 pick-up time and acceleration distance table

High speed construction elevator command speed conventional is at present 96m/min, and in Super High practice of construction, measured value often only has 80m/min.Drawn by table 1, construction elevator pick-up time is about 1.87S, and acceleration distance is about 1.09m, much smaller than week age and the range ability of Super High construction elevator, therefore, when calculating construction elevator time of run, can ignore and accelerate and slow down, the operation of construction elevator levels off to and travels at the uniform speed.The time of run of round trip adds up to:

$\mathrm{\Σ}Tr=\frac{L}{V}*2$

L----runs height (m)

V----construction elevator command speed (m/min)

Calculate for simplifying, and make calculating leave certain having more than needed, consider that the elevator of same class material runs the absolute altitude of the uppermost storey that height L constructs for this specialty of this stage.

According to actual measurement, the running velocity of construction elevator can only reach 80% of maximum speed usually, and therefore, middle speed elevator command speed gets 50m/min, and express elevator command speed gets 80m/min.

(3) switch gate time ∑ T _d

1) determination of Td

Different from permanent elevator door automatic switch, the door of construction elevator is hand switch, and this time is uncertain time, but can adopt the method for statistics, draws the average switch door time.Be below 30 construction elevator switch gate time statistics of certain project actual measurement.

Table 2 switch gate cartogram cycle time

Therefore, the construction elevator switch gate time gets 12.2s.

2) stop layers number is envisioned

And construction elevator run one week total switch gate time ∑ Td also with envision stop layers number f _nrelevant.

Anticipation stop layers number f _nconsideration method:

A certain workman opens the probability (p) of elevator in a certain leafing, determines according to the number of each layer, when supposing that each layer number is equal: p=1/n (now, n is the stop layers number except the layer that starts);

On the contrary, this workman does not leave the probability (q) of elevator at random layer: q=1 ?1/n;

When the workman in car is r people, in random layer, all none leaves the probability q of elevator ^rrepresent, that is: q ^r=(1-1/n) ^r;

On the contrary, in random layer, a people is had at least to leave the probability (p of elevator _n)

$p_n=1-{\left(\frac{n-1}{n}\right)}^r$

Therefore, anticipation stop layers number (f during n layer _n):

$f_n=p_n\×n=\[1-{\left(\frac{n-1}{n}\right)}^r\]\·n$

Number of plies table envisioned by table 3

By upper, the switch gate time, Td was:

ΣTd＝Td·(f _n+1)

(4) workman access time Σ Tp

The week age of access time to elevator of workman has great proportion, but, due to using people as object, then major part is uncertain key element.Access time of workman should be relevant with door opening width, terraced cage size, shape, and pole is by the impact of chaotic load situation in hall and terraced cage again.Come in and go out in the work hours efficiently people, workman come in and go out situation and office building similar, therefore, with reference to the method for calculating of permanent elevator, enter the time of elevator at the layer that starts, can calculate for everyone 0.8 second.In addition, consider that number of workers is about more than 80% of Maximum Loading Capacity, the time that workman leaves elevator at general floor adds up to, and can be similar to following formula and ask for:

$t_s={\mathrm{kr}}^3\sqrt{f_n}$

T _e---the time that-passenger leaves elevator adds up to (s)

The ridership (people) of r----elevator

K----door opening width coefficient (with reference to door opening width coefficient table)

Table 4 door opening width coefficient table

Therefore, personnel pass in and out time total:

$\ΣTp=(0.8+k\sqrt[3]{f_n})\·r$

(5) lost hours T1

Above-mentioned switch gate time and workman's access time, due to containing suitable uncertain factor, as stopped non-regulation floor temporarily, construction elevator driver operation accuracy is uncertain, so, to expect for lost hours 10% of the neat total ascent time.

T1＝(ΣTd+ΣTp)×10％

2. i-th terraced cage carried number R in 2 hours _i

Project can set workman according to managerial demand and to go to work section in peak time, in the present embodiment, considers that working section in peak time is 2 hours, namely requires that construction elevator completed the transport of workman in high building in 2 hours.

3. the specified number r of i-th terraced cage _i

The specified number that the specified number of ladder cage provides by construction elevator producer is determined.

4. elevator staff coefficient k ₁

Elevator staff coefficient and elevator cars with full load rate, for ensureing elevator use safety, and slightly more than needed, consider that staff coefficient is 0.8.

5. terraced cage number M and this time elevator use total number of persons a

Because part Super High project limits by execution conditions, part construction elevator have employed single cage configuration, therefore, this calculating with terraced cage number for research object.Preset the terraced cage number in each stage, calculate use of each stage total number of persons, and the working peak load conditions transport capacity checking each stage meets the requirement that elevator uses total number of persons.

6. jth class transport of materials time t _j, transport number of times c _jwith week age RTT _j

Transport different from personnel, the wide variety of material, and for the material had, elevator freight volume limits by volume, for another part material, elevator freight volume, then by weight limits, therefore, does not have a kind of suitable unit can the amount of Unify legislation all material.As all material by volume and is by weight classified in detail, then the volume and weight computational effort of thousands of kinds of materials is too huge, and in the preparation of construction organization designs stage, the drawing of each specialized engineering is not yet deepened, scantling and weight cannot be determined, therefore, calculating for simplifying, calculating haulage time to transport number of times.The transport number of times of civil material (being mainly masonry and mortar) can draw by drawing and trolley Size calculation, and the transport number of times of each specialized engineering material can be drawn by the statistics of multiple project, also can estimate number of times by each professional subpackage unit report.During transporting material, the stop number of times of elevator transports far less than personnel, and can consider that material is only stopped at beginning floor and destination, it is 10 minutes that berthing time considers.

${\mathrm{RTT}}_j=\frac{L}{V}\×2+10$

7. the explanation of maintenance time

There is the maintenance time time of stopping of elevator routine.According to certain project construction elevator maintenance record, statistics draws, terraced cage maintenance time every month is 6 hours, service time is 4 hours, and the running in 24 hours of this project construction elevator, the time that namely elevator routine is stopped accounts for the ratio of total run time for (6+4)/(24 × 30)=1.4%.Therefore, the elevator routine time of stopping can be ignored.

Certainly, more than just embody rule example of the present invention, the technical scheme that the present invention also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within protection domain of the presently claimed invention.

Claims (5)

1. a Super High construction elevator Methods of Quantitative, it is characterized in that: adopt the method preset and review, first by the sum of construction elevator needed for rough calculation method formulae discovery, after doing the physical planning of plane and facade, then check the matching degree of checking construction elevator transport capacity and engineering actual shipment demand according to number and quantity of material by actuarial method.

2. Super High construction elevator Methods of Quantitative according to claim 1, is characterized in that: described thick algorithmic formula is as follows:

$M=\frac{\sqrt[3]{H\·A}\·F}{125\sqrt{T}}$

The total number of M----standard ladder cage;

H----high building top level structure absolute altitude (m);

A----high building gross building area (㎡);

F----is the number of plies on the ground;

T----binds to the plan time (d) of high building completion from high building subterranean room.

3. Super High construction elevator Methods of Quantitative according to claim 2, is characterized in that: the matching degree method of calculating that described actuarial method checks checking construction elevator transport capacity and engineering actual shipment demand is as follows:

(1) personnel's transport capacity recheck method is as follows:

The requirement of personnel's transport meets peak on and off duty, considers that peak load conditions on and off duty is 2 hours, and i-th terraced cage carried number in 2 hours:

$R_i=\frac{2\×60}{{\mathrm{RTT}}_i}\×r_i\×k_1$

Whole terraced cage in 2 hours number of carrying should meet:

$\underset{i}{\overset{M}{\Σ}}{R}_i\≥a$

R _i----the i-th terraced cage carried number in 2 hours;

RTT _i----the i-th terraced cage runs week age;

R _i---the specified number of-the i-th terraced cage;

K ₁----elevator staff coefficient;

M----ladder cage number;

This time elevator of a----uses total number of persons;

(2) transport of materials productivity checking method is as follows:

Jth class material haulage time average every day:

$t_j=\frac{c_j\×{\mathrm{RTT}}_j}{M}$

Consider that transport the goods and materials time is 12 hours every day, all kinds of goods and materials haulage time sum average every day should meet:

$\underset{1}{\overset{x}{\Σ}}{t}_j\≤12\×60$

T _j----jth class Material Transportation the time;

C _j----jth class Material Transportation number of times;

RTT _j----jth class Material Transportation week age;

M----ladder cage number.

4. Super High construction elevator Methods of Quantitative according to claim 3, is characterized in that: in fortune people situation, the operation week age of i-th terraced cage is:

RTT _i＝ΣTr+ΣTd+ΣTp+T1

Σ Tr----time of run adds up to;

The Σ Td----switch gate time adds up to;

Σ Tp----personnel pass in and out time total;

T1----lost hours;

Wherein, time of run adds up to Σ T _rfor:

$\mathrm{\Σ}Tr=\frac{L}{V}*2$

L----runs height (m);

V----construction elevator command speed (m/min);

Switch gate time ∑ T _dfor:

$\mathrm{\Σ}Td=Td\·(f_n+1)$

F _n????n layer time anticipation stop layers number

$f_n=p_n\×n=\[1-{\left(\frac{n-1}{n}\right)}^r\]\·n$

N----is the stop layers number except the layer that starts;

R ????workman's number in car;

Workman access time Σ Tp is:

$\mathrm{\Σ}Tp=(0.8+k\sqrt[3]{f_n})\·r$

K----door opening width coefficient;

Lost hours, T1 was:

$T1=(\mathrm{\Σ}Td+\mathrm{\Σ}Tp)\×10\%$

By above calculating, check fortune people situation descending stair cage quantity and whether meet the demands.

5. Super High construction elevator Methods of Quantitative according to claim 3, is characterized in that: in transport of materials situation, and the operation week age of l terraced cage is:

${\mathrm{RTT}}_j=\frac{L}{V}\×2+10$

L----runs height (m);

V----construction elevator command speed (m/min).